If you run pulseaudio you can use parec. It's fiddly but there is an example script here http://www.outflux.net/blog/archives/2009/04/19/recording-from-pulseau

If you run pulseaudio you can use parec. It's fiddly but there is an example script here http://www.outflux.net/blog/archives/2009/04/19/recording-from-pulseaudio/ http://www.outflux.net/blog/archives/2009/04/19/recording-fr...