~/recordings $ arecord -D plughw:0 -r 16000 test.wav Recording WAVE 'test.wav' : Unsigned 8 bit, Rate 48000 Hz, Mono ~/recordings $ arecord -D plughw:0 -r 48000 test.wav Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono
~/pi_scripts $ arecord -f S16_LE -c1 -r44100 -t wav test.wav **** List of CAPTURE Hardware Devices ****
**** List of PLAYBACK Hardware Devices ****Ĭard 0: Device, device 0: USB Audio Ĭard 1: ALSA, device 0: bcm2835 ALSA Ĭard 1: ALSA, device 1: bcm2835 ALSA Simple mixer control 'Auto Gain Control',0Ĭapabilities: pswitch pswitch-joined penum Playback channels: Front Left - Front Rightįront Left: Playback 136 įront Right: Playback 136 Ĭapabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined penum CM108 Audio ControllerĬapabilities: pvolume pswitch pswitch-joined penum USB PnP Sound Device at usb-bcm2708_usb-1.5, full speeīus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.īus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubīus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.īus 001 Device 004: ID 0d8c:013c C-Media Electronics, Inc. ~/recordings $ cat /proc/asound/cardsĠ : USB-Audio - USB PnP Sound DeviceĬ-Media Electronics Inc. usbcore: registered new interface driver snd-usb-audio bcm2708-i2s bcm2708-i2s.0: Failed to create debugfs directory
usb 1-1.5: Manufacturer: C-Media Electronics Inc. usb 1-1.5: Product: USB PnP Sound Device usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 1-1.5: New USB device found, idVendor=0d8c, idProduct=013c It turns out that the mic I was using was broken, but I learned quite abit about Linux sound tool sets.ģ.303196] usb 1-1.5: new full-speed USB device number 4 using dwc_otg They were these two C-Media based chipsets: 7.1: I bought two USB sound cards from Matrix Warehouse. As a follow on to the previous post about the raspberry Pi
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