Raspberry Pi - USB 마이크 설치

USB에 설치된 디바이스목록 확인

출처 : Yong Choi's IT Blog: Raspberry Pi에서 소리 입력 및 녹음하기

$ lsusb
Bus 001 Device 006: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio Controller
Bus 001 Device 005: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
Bus 001 Device 004: ID 24ae:2000  
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

USB 오디오 녹음장치 확인

$ arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: Device [USB PnP Sound Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

녹음

$ arecord -D plughw:1,0 -d 10 test.wav
Recording WAVE 'test.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono

재생

$ aplay test.wav 
Playing WAVE 'test.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono