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Re: microphone



deloptes on 25/05/10 19:36, wrote:
Adam Hardy wrote:
3 steps to find out and test a microphone on linux with alsa
1) find out cards and inputs

3) so no we can test the mic

shell> arecord -c1 -Dplughw:2,0 -f cd -vv /dev/null

Hmm, the only one that worked was the USB mic:

adam@isengard:~$ cat /proc/asound/cards
 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xfebfc000 irq 16
 1 [U0x46d0x9a4    ]: USB-Audio - USB Device 0x46d:0x9a4
                      USB Device 0x46d:0x9a4 at usb-0000:00:1d.7-7, high speed
adam@isengard:~$ cat /proc/asound/devices
  0: [ 0]   : control
  1:        : sequencer
 16: [ 0- 0]: digital audio playback
 17: [ 0- 1]: digital audio playback
 24: [ 0- 0]: digital audio capture
 25: [ 0- 1]: digital audio capture
 26: [ 0- 2]: digital audio capture
 32: [ 1]   : control
 33:        : timer
 56: [ 1- 0]: digital audio capture
adam@isengard:~$ arecord -Dplughw:0,0 |aplay
Recording WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono
Playing WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono
^CAborted by signal Interrupt...
Aborted by signal Interrupt...
adam@isengard:~$ arecord -Dplughw:0,1 |aplay

Does that look right?
If so, it means my hardware died, presumably?


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