2014-08-05 22:48 GMT+02:00 Long Wind <longwind2...@gmail.com>:

> I want to record sound from line-in of sound card,
> I enter sth. like:
>
> brec -d /dev/dsp -b 8 -t 15 -w  t2.wav
>
> after that l use bplay to play t2.wav, I can't hear sound
>
> I'm afraid I need to specify line-in, in addition to /dev/dsp, but how to
> do it?
>
> Thanks!
>

​I would use arecord/aplay

$ arecord -L # lists pcm devices by name, so quickly find your line-in

then
$ arecord -D device_name​
 -
​t wav -f cd ​
​filename​.wav

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