!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue May 1 23:32:09 UTC 2018 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.9.28 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k4.9.28 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835 - bcm2835 ALSA bcm2835 ALSA 1 [Array ]: USB-Audio - ReSpeaker Microphone Array SeeedStudio ReSpeaker Microphone Array at usb-20980000.usb-1.3, full speed !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 force_bulk : N !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x28860007, ctrlif=0, ctlerr=0 Card: SeeedStudio ReSpeaker Microphone Array at usb-20980000.usb-1.3, full speed Unit: 10 Control: name="ReSpeaker Microphone Array Playback Volume", index=1 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32512, max=100, dBmin=-12700, dBmax=39 Unit: 10 Control: name="ReSpeaker Microphone Array Playback Volume", index=0 Info: id=10, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-32512, max=100, dBmin=-12700, dBmax=39 Unit: 10 Control: name="ReSpeaker Microphone Array Playback Switch", index=1 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="ReSpeaker Microphone Array Playback Switch", index=0 Info: id=10, control=1, cmask=0x3, channels=2, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Mic Capture Volume", index=1 Info: id=11, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32512, max=100, dBmin=-12700, dBmax=39 Unit: 11 Control: name="Mic Capture Volume", index=0 Info: id=11, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-32512, max=100, dBmin=-12700, dBmax=39 Unit: 11 Control: name="Mic Capture Switch", index=1 Info: id=11, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Mic Capture Switch", index=0 Info: id=11, control=1, cmask=0x3, channels=2, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 41 Control: name="SeeedStudio Internal Clock Validity", index=0 Info: id=41, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 May 1 23:27 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 May 1 23:27 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 May 1 23:28 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 May 1 23:27 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 May 1 23:27 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 May 1 23:27 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 May 1 23:27 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 1 23:27 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 May 1 23:27 . drwxr-xr-x 4 root root 240 May 1 23:27 .. lrwxrwxrwx 1 root root 12 May 1 23:27 usb-SeeedStudio_ReSpeaker_Microphone_Array-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 May 1 23:27 . drwxr-xr-x 4 root root 240 May 1 23:27 .. lrwxrwxrwx 1 root root 12 May 1 23:27 platform-20980000.usb-usb-0:1.3:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 May 1 23:27 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type asym playback.pcm { #type hw #card 0 #device=0 #subdevice=0 type plug slave.pcm "hw:0,0" } capture.pcm { #type hw #card 1 #device 0 #subdevice 0 type plug slave { pcm "hw:1,0" #format S16_LE } #slave.pcm "hw:1,0" #slave.channels 2 #slave.rate 16000 #slave.format S16_LE } } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Array [ReSpeaker Microphone Array], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Array [ReSpeaker Microphone Array], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 6 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -140 [95%] [-1.40dB] [on] !!-------Mixer controls for card 1 [Array] Card hw:1 'Array'/'SeeedStudio ReSpeaker Microphone Array at usb-20980000.usb-1.3, full speed' Mixer name : 'USB Mixer' Components : 'USB2886:0007' Controls : 11 Simple ctrls : 5 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right Limits: Capture 0 - 128 Front Left: Capture 128 [100%] [0.39dB] [on] Front Right: Capture 128 [100%] [0.39dB] [on] Simple mixer control 'Mic',1 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 128 Mono: Capture 128 [100%] [0.39dB] [on] Simple mixer control 'ReSpeaker Microphone Array ',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 128 Mono: Front Left: Playback 127 [99%] [-0.61dB] [on] Front Right: Playback 127 [99%] [-0.61dB] [on] Simple mixer control 'ReSpeaker Microphone Array ',1 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 128 Mono: Playback 127 [99%] [-0.61dB] [on] Simple mixer control 'SeeedStudio Internal Clock Validity',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -140 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -140 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 1 comment { access 'read write' type INTEGER count 1 range '0 - 2' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } control.6 { iface PCM name 'IEC958 Playback PCM Stream' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write inactive' type IEC958 count 1 } } } state.Array { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 3 value.1 4 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'ReSpeaker Microphone Array Playback Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.4 { iface MIXER name 'ReSpeaker Microphone Array Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'ReSpeaker Microphone Array Playback Volume' value.0 127 value.1 127 comment { access 'read write' type INTEGER count 2 range '0 - 128' dbmin -12700 dbmax 39 dbvalue.0 -61 dbvalue.1 -61 } } control.6 { iface MIXER name 'ReSpeaker Microphone Array Playback Volume' index 1 value 127 comment { access 'read write' type INTEGER count 1 range '0 - 128' dbmin -12700 dbmax 39 dbvalue.0 -61 } } control.7 { iface MIXER name 'SeeedStudio Internal Clock Validity' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Mic Capture Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.9 { iface MIXER name 'Mic Capture Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface MIXER name 'Mic Capture Volume' value.0 128 value.1 128 comment { access 'read write' type INTEGER count 2 range '0 - 128' dbmin -12700 dbmax 39 dbvalue.0 39 dbvalue.1 39 } } control.11 { iface MIXER name 'Mic Capture Volume' index 1 value 128 comment { access 'read write' type INTEGER count 1 range '0 - 128' dbmin -12700 dbmax 39 dbvalue.0 39 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module ctr ccm evdev uinput arc4 rt2800usb rt2800lib rt2x00usb rt2x00lib mac80211 cfg80211 rfkill crc_ccitt snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_bcm2835 snd_pcm snd_timer snd bcm2835_gpiomem lirc_rpi uio_pdrv_genirq fixed uio lirc_dev rc_core ipv6 !!ALSA/HDA dmesg !!-------------- [ 8.674063] systemd-journald[119]: Received request to flush runtime journal from PID 1 [ 9.990879] usbcore: registered new interface driver snd-usb-audio [ 11.679778] usb 1-1.2: reset high-speed USB device number 4 using dwc_otg