amixer

command-line mixer for ALSA soundcard driver

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9
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amixer -c 2 cset numid=34 40%

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4
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amixer -c 1 set PCM 2dB+

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2
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amixer -c 1 sset Line,0 80%,40% unmute cap

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2
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amixer -c 1 -- sset Master playback -20dB

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0
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amixer -c 2 cset iface=MIXER,name='Line Playback Volume",index=1 40%

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