A suggestion to help, temporarily set ALSA to an unconfigured state before running your test. Hint, make sure the microphone input is activated in alsamixer before starting.rokytnji wrote:Microphone command I posted earlier spits out no sound (no reaction in terminal to voice test). Might have to tweak something on that.
Something along the following lines...
Verify sound is output without tweaking
Control Center-->Hardware-->Test Sound
or manually
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speaker-test --channels 2 --test wav --nloops 3
Temporarily disable ALSA configuration
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sudo mv / etc/asound.conf / etc/asound.conf.DISABLED
Restart ALSA to commit the change
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sudo service alsa-utils restart
Test recording via the microphone input
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arecord --vumeter stereo --format dat test_recording.wav
CTRL+C to stop recording
Test play the recorded file
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aplay test_recording.wav
Alternatives
antiX-Full ships with SoX which can also record and play sounds via commands rec and play
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rec test_recording.wav
CTRL+C to stop recording
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play test_recording.wav