start alsamixer in a shell and set the input source (hit space at the correct item). You should also set the capture flag for the 'ADC' item (which is the analog-digital converter) and for the 'capture' item. When I'm recording I have the 'ADC' volume set to 100 and change the 'capture' volume as I like. That should do what you want.
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Pete Barnard wrote:
Hello.
I have a problem capturing sound from my sound card. I am just capturing a buffer full of Zeros. Have tried putting my audio input into both line-in and mic inputs of my sound card but just get zeros.
I have installed ALSA drivers, libraries and utils 0.9.0rc6 and am using Red Hat Linux 7.2. My sound card is a Cirrus Logic CS46xx. Have run alsamixer and everything is now unmuted.
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