RaspberryPi setup - 2 (USB Audio)

Post date: 2013/04/03 9:17:35

$ amixer Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -1725 [80%] [-17.25dB] [on] $ lsusb Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. Bus 001 Device 004: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter $ cat /proc/asound/cards 0 [ALSA ]: BRCM bcm2835 ALSbcm2835 ALSA - bcm2835 ALSA bcm2835 ALSA 1 [Device ]: USB-Audio - C-Media USB Audio Device C-Media USB Audio Device at usb-bcm2708_usb-1.2, full speed $ arecord -D plughw:1 -r 16000 test-16k.wav 録音中 WAVE 'test-16k.wav' : Unsigned 8 bit, レート 16000 Hz, モノラル ^Cシグナル割り込みで中断... $ aplay test-16k.wav 再生中 WAVE 'test-16k.wav' : Unsigned 8 bit, レート 16000 Hz, モノラル

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