Re: [HELP] Audio on BeagleBoard xM can't work

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Hi,

On 03/16/11 12:52, ext Bob Liu wrote:
> Yeah, it works!!  Thank you very much.

You welcome!

> So in order to make aplay work I need to set all of these?
> --------------------
> amixer sset 'HeadsetL Mixer AudioL2' on
> amixer sset 'HeadsetR Mixer AudioR2' on
> amixer sset 'Headset' 2
> amixer cset name="DAC2 Analog Playback Switch" 1
> amixer cset name="DAC2 Analog Playback Volume" 12
> amixer cset name="DAC2 Digital Coarse Playback Volume" 2
> amixer cset name="DAC2 Digital Fine Playback Volume" 50
> --------------------
> 
> And what should I set making arecord also work?

Beagle has the AUXL/R connected to audio in jack.
So you need a line-in type of input, not a mic.

In theory:
amixer sset 'Analog' 1 # 6dB amplification
amixer sset 'Analog Left AUXL' cap
amixer sset 'Analog Right AUXR' cap
amixer sset 'TX1' 'Analog'
amixer sset 'TX1 Digital' 5 # 5db amplification

arecord -Dhw:0 -fdat -twav recording.wav

You can play with the gains, if they are not correct.

-- 
PÃter
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