!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Fri Mar 29 08:58:12 UTC 2024 !!Linux Distribution !!------------------ Debian GNU/Linux 12 \n \l PRETTY_NAME="Debian GNU/Linux 12 (bookworm)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 6.6.16-current-sunxi64 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.6.16-current-sunxi64 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [SMY18 ]: USB-Audio - SMY18 Sonix Technology Co., Ltd. SMY18 at usb-5200000.usb-1.3, 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 !!Loaded sound module options !!--------------------------- !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 004: ID 046d:0836 Logitech, Inc. B525 HD Webcam Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x046d Logitech, Inc. idProduct 0x0836 B525 HD Webcam bcdDevice 50.02 iManufacturer 2 Sonix Technology Co., Ltd. iProduct 1 SMY18 iSerial 3 SN0001 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0493 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 5 SMY18 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 5 SMY18 VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 0x004f dwClockFrequency 15.000000MHz bInCollection 1 baInterfaceNr( 0) 1 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 3 iTerminal 0 VideoControl Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 3 guidExtensionCode {28f03370-6311-4a2e-ba2c-6890eb334016} bNumControls 24 bNrInPins 1 baSourceID( 0) 2 bControlSize 3 bmControls( 0) 0x9f bmControls( 1) 0x00 bmControls( 2) 0x07 iExtension 0 VideoControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Camera Sensor bAssocTerminal 0 iTerminal 0 wObjectiveFocalLengthMin 0 wObjectiveFocalLengthMax 0 wOcularFocalLength 0 bControlSize 3 bmControls 0x0000000e Auto-Exposure Mode Auto-Exposure Priority Exposure Time (Absolute) VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 2 bSourceID 1 wMaxMultiplier 0 bControlSize 2 bmControls 0x0000177f Brightness Contrast Hue Saturation Sharpness Gamma White Balance Temperature Backlight Compensation Gain Power Line Frequency White Balance Temperature, Auto iProcessing 0 bmVideoStandards 0x75 None PAL - 625/50 NTSC - 625/50 PAL - 525/60 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 6 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 VideoStreaming Interface Descriptor: bLength 15 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 2 wTotalLength 0x0333 bEndpointAddress 0x81 EP 1 IN bmInfo 0 bTerminalLink 4 bStillCaptureMethod 2 bTriggerSupport 1 bTriggerUsage 1 bControlSize 1 bmaControls( 0) 0 bmaControls( 1) 0 VideoStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FORMAT_MJPEG) bFormatIndex 1 bNumFrameDescriptors 9 bFlags 0 Fixed-size samples: No bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 1 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 995328000 dwMaxVideoFrameBufferSize 4147789 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 960 dwMinBitRate 98304000 dwMaxBitRate 589824000 dwMaxVideoFrameBufferSize 2458189 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 73728000 dwMaxBitRate 442368000 dwMaxVideoFrameBufferSize 1843789 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 768 dwMinBitRate 62914560 dwMaxBitRate 377487360 dwMaxVideoFrameBufferSize 1573453 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 38400000 dwMaxBitRate 230400000 dwMaxVideoFrameBufferSize 960589 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 24576000 dwMaxBitRate 147456000 dwMaxVideoFrameBufferSize 614989 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 110592000 dwMaxVideoFrameBufferSize 461389 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 6144000 dwMaxBitRate 36864000 dwMaxVideoFrameBufferSize 154189 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 9 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 995328000 dwMaxVideoFrameBufferSize 4147789 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 3 (STILL_IMAGE_FRAME) bEndpointAddress 0x00 EP 0 OUT bNumImageSizePatterns 8 wWidth( 0) 1920 wHeight( 0) 1080 wWidth( 1) 1280 wHeight( 1) 960 wWidth( 2) 1280 wHeight( 2) 720 wWidth( 3) 1024 wHeight( 3) 768 wWidth( 4) 800 wHeight( 4) 600 wWidth( 5) 640 wHeight( 5) 480 wWidth( 6) 640 wHeight( 6) 360 wWidth( 7) 320 wHeight( 7) 240 bNumCompressionPatterns 0 VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 2 bNumFrameDescriptors 7 guidFormat {32595559-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 30 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 165888000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 2000000 bFrameIntervalType 1 dwFrameInterval( 0) 2000000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 73728000 dwMaxBitRate 147456000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 1000000 bFrameIntervalType 2 dwFrameInterval( 0) 1000000 dwFrameInterval( 1) 2000000 VideoStreaming Interface Descriptor: bLength 42 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 38400000 dwMaxBitRate 153600000 dwMaxVideoFrameBufferSize 960000 dwDefaultFrameInterval 500000 bFrameIntervalType 4 dwFrameInterval( 0) 500000 dwFrameInterval( 1) 666666 dwFrameInterval( 2) 1000000 dwFrameInterval( 3) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 24576000 dwMaxBitRate 147456000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 110592000 dwMaxVideoFrameBufferSize 460800 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 500000 dwFrameInterval( 2) 666666 dwFrameInterval( 3) 1000000 dwFrameInterval( 4) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 6144000 dwMaxBitRate 36864000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 30 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 165888000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 2000000 bFrameIntervalType 1 dwFrameInterval( 0) 2000000 VideoStreaming Interface Descriptor: bLength 22 bDescriptorType 36 bDescriptorSubtype 3 (STILL_IMAGE_FRAME) bEndpointAddress 0x00 EP 0 OUT bNumImageSizePatterns 4 wWidth( 0) 1920 wHeight( 0) 1080 wWidth( 1) 1280 wHeight( 1) 720 wWidth( 2) 640 wHeight( 2) 480 wWidth( 3) 320 wHeight( 3) 240 bNumCompressionPatterns 0 VideoStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 13 (COLORFORMAT) bColorPrimaries 1 (BT.709,sRGB) bTransferCharacteristics 1 (BT.709) bMatrixCoefficients 4 (SMPTE 170M (BT.601)) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0080 1x 128 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0100 1x 256 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0320 1x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0b20 2x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 5 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1320 3x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 6 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1400 3x 1024 bytes bInterval 1 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x002b bInCollection 1 baInterfaceNr(0) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0000 iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 2 bSourceID 1 bControlSize 2 bmaControls(0) 0x0001 Mute Control bmaControls(1) 0x0002 Volume Control bmaControls(2) 0x0002 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 2 iTerminal 0 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 3 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 29 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 7 Discrete tSamFreq[ 0] 8000 tSamFreq[ 1] 11025 tSamFreq[ 2] 16000 tSamFreq[ 3] 22050 tSamFreq[ 4] 24000 tSamFreq[ 5] 44100 tSamFreq[ 6] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 4 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0002 (Bus Powered) Remote Wakeup Enabled --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Sonix Technology Co., Ltd. SMY18 at usb-5200000.usb-1.3, high speed : USB Audio Capture: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x84 (4 IN) (ASYNC) Rates: 8000, 11025, 16000, 22050, 24000, 44100, 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x046d0836, ctrlif=2, ctlerr=0 Card: Sonix Technology Co., Ltd. SMY18 at usb-5200000.usb-1.3, high speed Unit: 2 Control: name="Mic Capture Volume", index=0 Info: id=2, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-24320, max=0, dBmin=-9500, dBmax=0 Unit: 2 Control: name="Mic Capture Switch", index=0 Info: id=2, 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, 3 Mar 24 01:02 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Mar 24 01:02 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 1 Mar 24 01:02 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 24 01:02 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 24 01:02 . drwxr-xr-x 4 root root 160 Mar 24 01:02 .. lrwxrwxrwx 1 root root 12 Mar 24 01:02 usb-Sonix_Technology_Co.__Ltd._SMY18_SN0001-02 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 24 01:02 . drwxr-xr-x 4 root root 160 Mar 24 01:02 .. lrwxrwxrwx 1 root root 12 Mar 24 01:02 platform-5200000.usb-usb-0:1.3:1.2 -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type plug slave.pcm { type equal slave.pcm { type plug slave.pcm { type hw card 0 device 0 } } controls "/var/lib/dietpi/dietpi-config/.alsaequal.bin" } } ctl.eq { type equal controls "/var/lib/dietpi/dietpi-config/.alsaequal.bin" } ctl.!default { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** ARECORD **** List of CAPTURE Hardware Devices **** card 0: SMY18 [ SMY18], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card SMY18 Card sysdefault:0 'SMY18'/'Sonix Technology Co., Ltd. SMY18 at usb-5200000.usb-1.3, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:0836' Controls : 3 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 256 Front Left: Capture 256 [100%] [0.00dB] [on] Front Right: Capture 256 [100%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.SMY18 { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Mic Capture Volume' value.0 256 value.1 256 comment { access 'read write' type INTEGER count 2 range '0 - 256' dbmin -9500 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } } --endcollapse-- !!All Loaded Modules !!------------------ af_packet_diag binfmt_misc br_netfilter bridge cfg80211 cifs cifs_arc4 cifs_md4 cpufreq_dt display_connector dm_mod drm_shmem_helper dump_reg dw_hdmi_cec dw_hdmi_i2s_audio dwmac_sun8i fscache fuse gpu_sched hid_logitech_dj hid_logitech_hidpp inet_diag joydev mc mdio_mux motorcomm netfs netlink_diag nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nls_ucs2_utils nls_utf8 overlay panfrost polyval_ce polyval_generic raw_diag rfkill snd_hwdep snd_rawmidi snd_seq_device snd_soc_hdmi_codec snd_usb_audio snd_usbmidi_lib sprdwl_ng sunxi_addr sunxi_cedrus tcp_diag udp_diag unix_diag uvc uvcvideo uwe5622_bsp_sdio v4l2_mem2mem veth videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev xfrm_algo xfrm_user xt_MASQUERADE xt_addrtype xt_conntrack xt_nat !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-utils 1.2.8-1 arm64 Utilities for configuring and using ALSA