!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Mon Feb 23 08:55:07 UTC 2026 !!Linux Distribution !!------------------ Ubuntu 24.04.3 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 24.04.3 LTS" PRETTY_NAME="Ubuntu 24.04.3 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=noble LOGO=ubuntu-logo !!DMI Information !!--------------- Manufacturer: NVIDIA Product Name: DGX Station GB300 Product Version: AG.3 Firmware Version: 02.05.11 System SKU: 935-54094-0001-000 Board Vendor: NVIDIA Board Name: P3809-BMC !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/80860223:00/status 11 /sys/bus/acpi/devices/ACPI000D:01/status 15 /sys/bus/acpi/devices/ACPI000D:02/status 15 /sys/bus/acpi/devices/ACPI000D:03/status 15 /sys/bus/acpi/devices/ACPI0013:00/status 15 /sys/bus/acpi/devices/ARMH0011:00/status 15 /sys/bus/acpi/devices/IPI0001:00/status 15 /sys/bus/acpi/devices/NVDA0301:00/status 15 /sys/bus/acpi/devices/NVDA0508:00/status 15 /sys/bus/acpi/devices/NVDA1513:00/status 15 /sys/bus/acpi/devices/NVDA2003:00/status 15 /sys/bus/acpi/devices/NVDA2006:00/status 15 /sys/bus/acpi/devices/NVDA200F:00/status 15 /sys/bus/acpi/devices/NVDA2010:00/status 15 /sys/bus/acpi/devices/PNP0C33:00/status 15 /sys/bus/acpi/devices/PRP0001:01/status 15 !!Kernel Information !!------------------ Kernel release: #13-Ubuntu SMP PREEMPT_DYNAMIC Wed Oct 29 09:44:30 UTC 2025 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.14.0-1013-nvidia-64k Library version: Utilities version: 1.2.9 !!Loaded ALSA modules !!------------------- snd_usb_audio (card 0) snd_usb_audio (card 1) snd_usb_audio (card 2) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Audio ]: USB-Audio - USB Audio Generic USB Audio at usb-0000:01:00.0-1.6, high speed 1 [Hub ]: USB-Audio - USB2 Controller Hub Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-2.7, high speed 2 [Hub_1 ]: USB-Audio - USB2 Controller Hub Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-1.7, high speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N implicit_fb : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N index : -2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 lowlatency : Y midi2_enable : Y midi2_ump_probe : Y pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) quirk_flags : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N implicit_fb : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N index : -2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 lowlatency : Y midi2_enable : Y midi2_ump_probe : Y pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) quirk_flags : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N implicit_fb : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N index : -2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 lowlatency : Y midi2_enable : Y midi2_ump_probe : Y pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) quirk_flags : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 006: ID 0955:cf0a NVIDIA Corp. USB Audio Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 [unknown] bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x0955 NVIDIA Corp. idProduct 0xcf0a USB Audio bcdDevice 0.00 iManufacturer 3 Generic iProduct 1 USB Audio iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0622 bNumInterfaces 7 bConfigurationValue 1 iConfiguration 4 USB Audio bmAttributes 0x80 (Bus Powered) MaxPower 100mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 7 bFunctionClass 1 Audio bFunctionSubClass 0 [unknown] bFunctionProtocol 32 iFunction 5 Realtek USB2.0 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 4 wTotalLength 0x017b bmControls 0x00 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 1 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 9 wTerminalType 0x0201 Microphone bAssocTerminal 0 bCSourceID 1 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 17 wTerminalType 0x0101 USB Streaming bAssocTerminal 9 bSourceID 25 bCSourceID 1 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 25 bSourceID 9 bmaControls(0) 0x000c0003 Mute Control (read/write) Loudness Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 9 (EXTENSION_UNIT) bUnitID 33 wExtensionCode 0x0bda bNrInPins 1 baSourceID(0) 25 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x00 iExtension 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 2 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 10 wTerminalType 0x0603 Line Connector bAssocTerminal 0 bCSourceID 2 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 18 wTerminalType 0x0101 USB Streaming bAssocTerminal 10 bSourceID 26 bCSourceID 2 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 26 bSourceID 10 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 3 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 11 wTerminalType 0x0201 Microphone bAssocTerminal 0 bCSourceID 3 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 19 wTerminalType 0x0101 USB Streaming bAssocTerminal 11 bSourceID 27 bCSourceID 3 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 27 bSourceID 11 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 5 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 13 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 5 bNrChannels 8 bmChannelConfig 0x0000063f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) Side Left (SL) Side Right (SR) iChannelNames 0 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 21 wTerminalType 0x0301 Speaker bAssocTerminal 13 bSourceID 29 bCSourceID 5 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 42 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 29 bSourceID 13 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) bmaControls(3) 0x0000000c Volume Control (read/write) bmaControls(4) 0x0000000c Volume Control (read/write) bmaControls(5) 0x0000000c Volume Control (read/write) bmaControls(6) 0x0000000c Volume Control (read/write) bmaControls(7) 0x0000000c Volume Control (read/write) bmaControls(8) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 6 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 14 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 6 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 22 wTerminalType 0x0302 Headphones bAssocTerminal 14 bSourceID 30 bCSourceID 6 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 30 bSourceID 14 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 8 bmAttributes 7 Internal programmable clock (synchronized to SOF) bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 16 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 8 bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 bmControls 0x0000 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 24 wTerminalType 0x0605 SPDIF interface bAssocTerminal 16 bSourceID 32 bCSourceID 8 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 32 bSourceID 16 bmaControls(0) 0x00000003 Mute Control (read/write) bmaControls(1) 0x0000000c Volume Control (read/write) bmaControls(2) 0x0000000c Volume Control (read/write) iFeature 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x89 EP 9 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 17 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x007c 1x 124 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 17 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00ba 1x 186 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 18 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x007c 1x 124 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 18 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00ba 1x 186 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 19 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x007c 1x 124 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 19 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00ba 1x 186 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x007c 1x 124 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00ba 1x 186 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00f8 1x 248 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 4 bmChannelConfig 0x00000033 Front Left (FL) Front Right (FR) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00f8 1x 248 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 5 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 4 bmChannelConfig 0x00000033 Front Left (FL) Front Right (FR) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0174 1x 372 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 6 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 4 bmChannelConfig 0x00000033 Front Left (FL) Front Right (FR) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x01f0 1x 496 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 7 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 6 bmChannelConfig 0x0000003f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0174 1x 372 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 8 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 6 bmChannelConfig 0x0000003f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x022e 1x 558 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 9 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 6 bmChannelConfig 0x0000003f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x02e8 1x 744 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 10 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 8 bmChannelConfig 0x0000063f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) Side Left (SL) Side Right (SR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x01f0 1x 496 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 11 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 8 bmChannelConfig 0x0000063f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) Side Left (SL) Side Right (SR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x02e8 1x 744 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 12 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 13 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 8 bmChannelConfig 0x0000063f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) Side Left (SL) Side Right (SR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x03e0 1x 992 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00f8 1x 248 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x0174 1x 372 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 14 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x06 EP 6 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x01f0 1x 496 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 16 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x08 EP 8 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x007c 1x 124 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 16 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x08 EP 8 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00ba 1x 186 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 6 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 5 Realtek USB2.0 Audio AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 16 bmControls 0x00 bFormatType 3 bmFormats 0x00001381 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 3 (FORMAT_TYPE_III) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x08 EP 8 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x007c 1x 124 bytes bInterval 1 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 [unknown] bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0000 (Bus Powered) Bus 001 Device 009: ID 0424:724a Microchip Technology, Inc. (formerly SMSC) USB2 Controller Hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.01 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 [unknown] bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x0424 Microchip Technology, Inc. (formerly SMSC) idProduct 0x724a USB2 Controller Hub bcdDevice 6.25 iManufacturer 1 Microchip Tech iProduct 2 USB2 Controller Hub iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x00d3 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 255 Vendor Specific Subclass bInterfaceProtocol 255 Vendor Specific Protocol iInterface 0 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 1 bInterfaceCount 3 bFunctionClass 1 Audio bFunctionSubClass 1 Control Device bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0048 bInCollection 2 baInterfaceNr(0) 2 baInterfaceNr(1) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 3 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 3 bSourceID 1 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0602 Digital Audio Interface bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 5 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 6 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 6 bSourceID 4 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x00 bmaControls(2) 0x00 iFeature 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 0 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x03 EP 3 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c8 1x 200 bytes bInterval 4 bRefresh 1 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 5 bDelay 0 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c8 1x 200 bytes bInterval 4 bRefresh 1 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bLockDelayUnits 2 Decoded PCM samples wLockDelay 0x0000 Binary Object Store Descriptor: bLength 5 bDescriptorType 15 wTotalLength 0x000c bNumDeviceCaps 1 USB 2.0 Extension Device Capability: bLength 7 bDescriptorType 16 bDevCapabilityType 2 bmAttributes 0x0000a21e BESL Link Power Management (LPM) Supported BESL value 512 us Deep BESL value 40960 us Device Status: 0x0001 Self Powered Bus 001 Device 013: ID 0424:724a Microchip Technology, Inc. (formerly SMSC) USB2 Controller Hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.01 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 [unknown] bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x0424 Microchip Technology, Inc. (formerly SMSC) idProduct 0x724a USB2 Controller Hub bcdDevice 6.25 iManufacturer 1 Microchip Tech iProduct 2 USB2 Controller Hub iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x00d3 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 255 Vendor Specific Subclass bInterfaceProtocol 255 Vendor Specific Protocol iInterface 0 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 1 bInterfaceCount 3 bFunctionClass 1 Audio bFunctionSubClass 1 Control Device bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0048 bInCollection 2 baInterfaceNr(0) 2 baInterfaceNr(1) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 3 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 3 bSourceID 1 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0602 Digital Audio Interface bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 5 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 6 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 6 bSourceID 4 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x00 bmaControls(2) 0x00 iFeature 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 0 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x03 EP 3 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c8 1x 200 bytes bInterval 4 bRefresh 1 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 5 bDelay 0 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c8 1x 200 bytes bInterval 4 bRefresh 1 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bLockDelayUnits 2 Decoded PCM samples wLockDelay 0x0000 Binary Object Store Descriptor: bLength 5 bDescriptorType 15 wTotalLength 0x000c bNumDeviceCaps 1 USB 2.0 Extension Device Capability: bLength 7 bDescriptorType 16 bDevCapabilityType 2 bmAttributes 0x0000a21e BESL Link Power Management (LPM) Supported BESL value 512 us Deep BESL value 40960 us Device Status: 0x0001 Self Powered --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Generic USB Audio at usb-0000:01:00.0-1.6, high speed : USB Audio Playback: Status: Stop Interface 4 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 4 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Interface 4 Altset 3 Format: S32_LE Channels: 2 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 32 Channel map: FL FR Interface 4 Altset 4 Format: S16_LE Channels: 4 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR RL RR Interface 4 Altset 5 Format: S24_3LE Channels: 4 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR RL RR Interface 4 Altset 6 Format: S32_LE Channels: 4 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 32 Channel map: FL FR RL RR Interface 4 Altset 7 Format: S16_LE Channels: 6 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR FC LFE RL RR Interface 4 Altset 8 Format: S24_3LE Channels: 6 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE RL RR Interface 4 Altset 9 Format: S32_LE Channels: 6 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 32 Channel map: FL FR FC LFE RL RR Interface 4 Altset 10 Format: S16_LE Channels: 8 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR FC LFE RL RR SL SR Interface 4 Altset 11 Format: S24_3LE Channels: 8 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR FC LFE RL RR SL SR Interface 4 Altset 12 Format: S32_LE Channels: 8 Endpoint: 0x05 (5 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000 Data packet interval: 125 us Bits: 32 Channel map: FL FR FC LFE RL RR SL SR Capture: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x81 (1 IN) (ASYNC) Rates: 44100, 48000, 96000, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x81 (1 IN) (ASYNC) Rates: 44100, 48000, 96000, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Generic USB Audio at usb-0000:01:00.0-1.6, high speed : USB Audio #1 Playback: Status: Stop Interface 5 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x06 (6 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 384000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 5 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x06 (6 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 384000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Interface 5 Altset 3 Format: S32_LE Channels: 2 Endpoint: 0x06 (6 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 384000 Data packet interval: 125 us Bits: 32 Channel map: FL FR Capture: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 44100, 48000, 96000, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 2 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x82 (2 IN) (ASYNC) Rates: 44100, 48000, 96000, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Generic USB Audio at usb-0000:01:00.0-1.6, high speed : USB Audio #2 Playback: Status: Stop Interface 6 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x08 (8 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 6 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x08 (8 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Capture: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x83 (3 IN) (ASYNC) Rates: 44100, 48000, 96000, 192000 Data packet interval: 125 us Bits: 16 Channel map: FL FR Interface 3 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 0x83 (3 IN) (ASYNC) Rates: 44100, 48000, 96000, 192000 Data packet interval: 125 us Bits: 24 Channel map: FL FR Generic USB Audio at usb-0000:01:00.0-1.6, high speed : USB Audio #3 Playback: Status: Stop Interface 6 Altset 3 Format: S16_LE Channels: 2 Endpoint: 0x08 (8 OUT) (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 192000 Data packet interval: 125 us Bits: 0 Channel map: FL FR Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-2.7, high speed : USB Audio Playback: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x03 (3 OUT) (ASYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Capture: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x83 (3 IN) (ASYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-1.7, high speed : USB Audio Playback: Status: Stop Interface 2 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x03 (3 OUT) (ASYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR Capture: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x83 (3 IN) (ASYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0955cf0a, ctrlif=0, ctlerr=0 Card: Generic USB Audio at usb-0000:01:00.0-1.6, high speed Unit: 1 Control: name="Clock Source 1 Validity", index=0 Info: id=1, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 2 Control: name="Clock Source 2 Validity", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 3 Control: name="Clock Source 3 Validity", index=0 Info: id=3, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Clock Source 5 Validity", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 6 Control: name="Clock Source 6 Validity", index=0 Info: id=6, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 8 Control: name="Clock Source 8 Validity", index=0 Info: id=8, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 9 Control: name="Mic - Input Jack", index=0 Info: id=9, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Line - Input Jack", index=0 Info: id=10, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Mic - Input Jack", index=1 Info: id=11, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 21 Control: name="Speaker - Output Jack", index=0 Info: id=21, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 22 Control: name="Headphone - Output Jack", index=0 Info: id=22, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 24 Control: name="IEC958 In - Output Jack", index=0 Info: id=24, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 25 Control: name="Loudness", index=0 Info: id=25, control=10, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 25 Control: name="Mic Capture Volume", index=0 Info: id=25, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4416, max=3072, dBmin=-1725, dBmax=1200 Unit: 25 Control: name="Mic Capture Switch", index=0 Info: id=25, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 26 Control: name="Line Capture Volume", index=0 Info: id=26, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4416, max=3072, dBmin=-1725, dBmax=1200 Unit: 26 Control: name="Line Capture Switch", index=0 Info: id=26, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 27 Control: name="Mic Capture Volume", index=1 Info: id=27, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4416, max=3072, dBmin=-1725, dBmax=1200 Unit: 27 Control: name="Mic Capture Switch", index=1 Info: id=27, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 29 Control: name="PCM Playback Volume", index=0 Info: id=29, control=2, cmask=0xff, channels=8, type="S16" Volume: min=-16704, max=0, dBmin=-6525, dBmax=0 Unit: 29 Control: name="PCM Playback Switch", index=0 Info: id=29, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 30 Control: name="PCM Playback Volume", index=1 Info: id=30, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16704, max=0, dBmin=-6525, dBmax=0 Unit: 30 Control: name="PCM Playback Switch", index=1 Info: id=30, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 32 Control: name="PCM Playback Volume", index=2 Info: id=32, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16704, max=0, dBmin=-6525, dBmax=0 Unit: 32 Control: name="PCM Playback Switch", index=2 Info: id=32, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 USB Mixer: usb_id=0x0424724a, ctrlif=1, ctlerr=0 Card: Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-2.7, high speed Unit: 3 Control: name="PCM Playback Volume", index=0 Info: id=3, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-14592, max=-512, dBmin=-5700, dBmax=-200 Unit: 3 Control: name="PCM Playback Switch", index=0 Info: id=3, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 6 Control: name="Digital In Capture Switch", index=0 Info: id=6, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 USB Mixer: usb_id=0x0424724a, ctrlif=1, ctlerr=0 Card: Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-1.7, high speed Unit: 3 Control: name="PCM Playback Volume", index=0 Info: id=3, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-14592, max=-512, dBmin=-5700, dBmax=-200 Unit: 3 Control: name="PCM Playback Switch", index=0 Info: id=3, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 6 Control: name="Digital In Capture Switch", index=0 Info: id=6, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 12 Feb 23 08:42 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 4 Feb 23 08:42 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 15 Feb 23 08:42 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 6 Feb 23 08:42 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 5 Feb 23 08:42 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 8 Feb 23 08:42 /dev/snd/pcmC0D1c crw-rw---- 1 root audio 116, 7 Feb 23 08:42 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 10 Feb 23 08:42 /dev/snd/pcmC0D2c crw-rw---- 1 root audio 116, 9 Feb 23 08:42 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 11 Feb 23 08:42 /dev/snd/pcmC0D3p crw-rw---- 1 root audio 116, 3 Feb 23 08:42 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 2 Feb 23 08:42 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 14 Feb 23 08:42 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 13 Feb 23 08:54 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Feb 23 08:42 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 23 08:42 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 80 Feb 23 08:42 . drwxr-xr-x 4 root root 400 Feb 23 08:42 .. lrwxrwxrwx 1 root root 12 Feb 23 08:42 usb-Generic_USB_Audio-00 -> ../controlC0 lrwxrwxrwx 1 root root 12 Feb 23 08:42 usb-Microchip_Tech_USB2_Controller_Hub-01 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 160 Feb 23 08:42 . drwxr-xr-x 4 root root 400 Feb 23 08:42 .. lrwxrwxrwx 1 root root 12 Feb 23 08:42 pci-0000:01:00.0-usb-0:1.6:1.0 -> ../controlC0 lrwxrwxrwx 1 root root 12 Feb 23 08:42 pci-0000:01:00.0-usb-0:1.7:1.1 -> ../controlC2 lrwxrwxrwx 1 root root 12 Feb 23 08:42 pci-0000:01:00.0-usb-0:2.7:1.1 -> ../controlC1 lrwxrwxrwx 1 root root 12 Feb 23 08:42 pci-0000:01:00.0-usbv2-0:1.6:1.0 -> ../controlC0 lrwxrwxrwx 1 root root 12 Feb 23 08:42 pci-0000:01:00.0-usbv2-0:1.7:1.1 -> ../controlC2 lrwxrwxrwx 1 root root 12 Feb 23 08:42 pci-0000:01:00.0-usbv2-0:2.7:1.1 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Audio [USB Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audio [USB Audio], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audio [USB Audio], device 2: USB Audio [USB Audio #2] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audio [USB Audio], device 3: USB Audio [USB Audio #3] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Hub [USB2 Controller Hub], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Hub_1 [USB2 Controller Hub], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Audio [USB Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audio [USB Audio], device 1: USB Audio [USB Audio #1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Audio [USB Audio], device 2: USB Audio [USB Audio #2] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Hub [USB2 Controller Hub], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Hub_1 [USB2 Controller Hub], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Audio Card sysdefault:0 'Audio'/'Generic USB Audio at usb-0000:01:00.0-1.6, high speed' Mixer name : 'USB Mixer' Components : 'USB0955:cf0a' Controls : 32 Simple ctrls : 7 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right Limits: Playback 0 - 87 Mono: Front Left: Playback 60 [69%] [-20.25dB] [on] Front Right: Playback 60 [69%] [-20.25dB] [on] Rear Left: Playback 60 [69%] [-20.25dB] [on] Rear Right: Playback 60 [69%] [-20.25dB] [on] Front Center: Playback 60 [69%] [-20.25dB] [on] Woofer: Playback 60 [69%] [-20.25dB] [on] Side Left: Playback 60 [69%] [-20.25dB] [on] Side Right: Playback 60 [69%] [-20.25dB] [on] Simple mixer control 'PCM',1 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 87 Mono: Front Left: Playback 60 [69%] [-20.25dB] [on] Front Right: Playback 60 [69%] [-20.25dB] [on] Simple mixer control 'PCM',2 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 87 Mono: Front Left: Playback 87 [100%] [0.00dB] [on] Front Right: Playback 87 [100%] [0.00dB] [on] Simple mixer control 'Line',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 39 Front Left: Capture 23 [59%] [0.00dB] [on] Front Right: Capture 23 [59%] [0.00dB] [on] Simple mixer control 'Mic',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 39 Front Left: Capture 23 [59%] [0.00dB] [on] Front Right: Capture 23 [59%] [0.00dB] [on] Simple mixer control 'Mic',1 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 39 Front Left: Capture 23 [59%] [0.00dB] [on] Front Right: Capture 23 [59%] [0.00dB] [on] Simple mixer control 'Loudness',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!-------Mixer controls for card Hub Card sysdefault:1 'Hub'/'Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-2.7, high speed' Mixer name : 'USB Mixer' Components : 'USB0424:724a' Controls : 5 Simple ctrls : 2 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 55 Mono: Front Left: Playback 48 [87%] [-9.00dB] [on] Front Right: Playback 48 [87%] [-9.00dB] [on] Simple mixer control 'Digital In',0 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] !!-------Mixer controls for card Hub_1 Card sysdefault:2 'Hub_1'/'Microchip Tech USB2 Controller Hub at usb-0000:01:00.0-1.7, high speed' Mixer name : 'USB Mixer' Components : 'USB0424:724a' Controls : 5 Simple ctrls : 2 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 55 Mono: Front Left: Playback 48 [87%] [-9.00dB] [on] Front Right: Playback 48 [87%] [-9.00dB] [on] Simple mixer control 'Digital In',0 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] !!Alsactl output !!-------------- --startcollapse-- state.Audio { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM device 1 name 'Capture Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.3 { iface PCM device 2 name 'Capture Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.4 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.5 { iface PCM device 1 name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.6 { iface PCM device 2 name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.7 { iface PCM device 3 name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.8 { iface CARD name 'Mic - Input Jack' value false comment { access read type BOOLEAN count 1 } } control.9 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface MIXER name 'Mic Capture Volume' value.0 23 value.1 23 comment { access 'read write' type INTEGER count 2 range '0 - 39' dbmin -1725 dbmax 1200 dbvalue.0 0 dbvalue.1 0 } } control.11 { iface MIXER name Loudness value false comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface CARD name 'Clock Source 1 Validity' value true comment { access read type BOOLEAN count 1 } } control.13 { iface CARD name 'Line - Input Jack' value false comment { access read type BOOLEAN count 1 } } control.14 { iface MIXER name 'Line Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.15 { iface MIXER name 'Line Capture Volume' value.0 23 value.1 23 comment { access 'read write' type INTEGER count 2 range '0 - 39' dbmin -1725 dbmax 1200 dbvalue.0 0 dbvalue.1 0 } } control.16 { iface CARD name 'Clock Source 2 Validity' value true comment { access read type BOOLEAN count 1 } } control.17 { iface CARD name 'Mic - Input Jack' index 1 value false comment { access read type BOOLEAN count 1 } } control.18 { iface MIXER name 'Mic Capture Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.19 { iface MIXER name 'Mic Capture Volume' index 1 value.0 23 value.1 23 comment { access 'read write' type INTEGER count 2 range '0 - 39' dbmin -1725 dbmax 1200 dbvalue.0 0 dbvalue.1 0 } } control.20 { iface CARD name 'Clock Source 3 Validity' value true comment { access read type BOOLEAN count 1 } } control.21 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.22 { iface MIXER name 'PCM Playback Volume' value.0 60 value.1 60 value.2 60 value.3 60 value.4 60 value.5 60 value.6 60 value.7 60 comment { access 'read write' type INTEGER count 8 range '0 - 87' dbmin -6525 dbmax 0 dbvalue.0 -2025 dbvalue.1 -2025 dbvalue.2 -2025 dbvalue.3 -2025 dbvalue.4 -2025 dbvalue.5 -2025 dbvalue.6 -2025 dbvalue.7 -2025 } } control.23 { iface CARD name 'Clock Source 5 Validity' value true comment { access read type BOOLEAN count 1 } } control.24 { iface CARD name 'Speaker - Output Jack' value false comment { access read type BOOLEAN count 1 } } control.25 { iface MIXER name 'PCM Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.26 { iface MIXER name 'PCM Playback Volume' index 1 value.0 60 value.1 60 comment { access 'read write' type INTEGER count 2 range '0 - 87' dbmin -6525 dbmax 0 dbvalue.0 -2025 dbvalue.1 -2025 } } control.27 { iface CARD name 'Clock Source 6 Validity' value true comment { access read type BOOLEAN count 1 } } control.28 { iface CARD name 'Headphone - Output Jack' value false comment { access read type BOOLEAN count 1 } } control.29 { iface MIXER name 'PCM Playback Switch' index 2 value true comment { access 'read write' type BOOLEAN count 1 } } control.30 { iface MIXER name 'PCM Playback Volume' index 2 value.0 87 value.1 87 comment { access 'read write' type INTEGER count 2 range '0 - 87' dbmin -6525 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.31 { iface CARD name 'Clock Source 8 Validity' value true comment { access read type BOOLEAN count 1 } } control.32 { iface CARD name 'IEC958 In - Output Jack' value true comment { access read type BOOLEAN count 1 } } } state.Hub { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Volume' value.0 48 value.1 48 comment { access 'read write' type INTEGER count 2 range '0 - 55' dbmin -5700 dbmax -200 dbvalue.0 -900 dbvalue.1 -900 } } control.5 { iface MIXER name 'Digital In Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Hub_1 { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Volume' value.0 48 value.1 48 comment { access 'read write' type INTEGER count 2 range '0 - 55' dbmin -5700 dbmax -200 dbvalue.0 -900 dbvalue.1 -900 } } control.5 { iface MIXER name 'Digital In Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ acpi_ipmi acpi_power_meter aes_ce_blk aes_ce_cipher aes_neon_blk aes_neon_bs af_alg algif_hash algif_skcipher arm_cspmu_module arm_smccc_trng arm_smmuv3_pmu arm_spe_pmu ast async_memcpy async_pq async_raid6_recov async_tx async_xor atlantic autofs4 binfmt_misc blake2b_generic bluetooth bnep bridge btbcm btintel btmtk btrfs btrtl btusb cdc_ether cdc_subset cfg80211 coresight coresight_funnel coresight_stm coresight_tmc coresight_trbe cppc_cpufreq cxl_acpi cxl_core cxl_port dax_hmem dm_log dm_mirror dm_multipath dm_region_hash dmi_sysfs drm_ttm_helper efi_pstore einj fwctl ghash_ce hid hid_generic i2c_algo_bit i2c_smbus i2c_tegra ib_cm ib_core ib_ipoib ib_umad ib_uverbs input_leds ip_set ip_tables ipmi_devintf ipmi_msghandler ipmi_ssif iw_cm joydev knem libarc4 linear llc mac80211 macsec mc mlx5_core mlx5_fwctl mlx5_ib mlx_compat mlxdevm mlxfw mst_pci mst_pciconf mt76 mt76_connac_lib mt7925_common mt7925e mt792x_lib nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nls_iso8859_1 nvidia nvidia_cspmu nvidia_drm nvidia_fs nvidia_modeset nvidia_uvm nvme nvme_auth nvme_core nvme_fabrics nvme_keyring onboard_usb_dev overlay pci_hyperv_intf polyval_ce polyval_generic psample qrtr raid0 raid1 raid10 raid456 raid6_pq rdma_cm rdma_ucm rfcomm sbsa_gwdt sch_fq_codel sha1_ce sha256_arm64 sha2_ce sha3_ce sm3 sm3_ce sm4 sm4_ce sm4_ce_ccm sm4_ce_cipher sm4_ce_gcm snd snd_hrtimer snd_hwdep snd_pcm snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_timer snd_ump snd_usb_audio snd_usbmidi_lib soundcore spi_nor stm_core stm_p_basic stp sunrpc tls ttm uio uio_pdrv_genirq usbhid usbnet video x_tables xfrm_algo xfrm_user xor xor_neon xt_MASQUERADE xt_addrtype xt_conntrack xt_set !!ALSA/HDA dmesg !!-------------- [ 0.427317] pci 0009:06:00.0: BAR 4 [mem 0x668004000000-0x668005ffffff 64bit pref] [ 0.427972] pci 0009:06:00.0: Enabling HDA controller [ 0.429993] pci 0009:06:00.0: VF BAR 0 [mem 0x668006000000-0x66800607ffff 64bit pref] -- [ 6.695515] mlx5_core 0001:03:00.1: mlx5_pcie_event:325:(pid 499): PCIe slot power capability was not advertised. [ 6.733755] usbcore: registered new interface driver snd-usb-audio [ 6.788968] mlx5_core 0001:03:00.1: mlx5e: IPSec ESP acceleration enabled !!Packages installed !!-------------------- ii alsa-utils 1.2.9-1ubuntu5 arm64 Utilities for configuring and using ALSA