Difference between revisions of "Microphone"

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(merged "microphone testing" into this category)
(merged info from hardware documentation)
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TODO
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The microphone is up in the right hinge hump in between the 9 and 0 buttons. It can be used with the lid open or closed since it has the hole facing up and slightly in toward the user (somewhat like the power LED).[http://www.gp32x.com/board/index.php?s=&showtopic=44133&view=findpost&p=647343]
  
 
* [[Audio_system#Recording]]
 
* [[Audio_system#Recording]]
  
 
* [[microphone testing]]
 
* [[microphone testing]]
 
(This is a work in progress)
 
  
 
== Microphone testing ==
 
== Microphone testing ==

Revision as of 00:38, 7 October 2013

The microphone is up in the right hinge hump in between the 9 and 0 buttons. It can be used with the lid open or closed since it has the hole facing up and slightly in toward the user (somewhat like the power LED).[1]

Microphone testing

Note that in order to know if your microphone is working, you should probably have working sound. =) (todo: link)

  • using mumble?

using arecord and aplay

Learn the device. On my desktop it is:

 \arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC889A Analog [ALC889A Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: ALC889A Digital [ALC889A Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 2: ALC889A Analog [ALC889A Analog]
  Subdevices: 2/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
card 2: Microphone [Yeti Stereo Microphone], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

To test "Yeti Stereo Microphone", I see that it is card 2, subdevice 0. arecord will use hw:2,0 .. aplay will still use hw:0

 \arecord -D hw:2,0 -f cd |\
 \aplay   -D hw:0   -f cd