> > For human voice, I bought a USB audio card and plugged a third microphone > into > it. So now I have: > > mic1 for piano basses; |__________ plugged together into the > mic2 for piano highs; | above Y cable > mic3 for voice -> -> -> -> plugged into the USB dongle. > > Then I do: > > $ sox -t alsa default piano.wav > > and, at the same time, on another xterm session, > > $ sox -t alsa wh:2,0 voice.wav > > where wh:2,0 is the USB device (do: `arecord -l' first). This way I get > two > audio files: piano.wav and voice.wav. The first one is stereo and the > second > is mono. In the end I merge the two together with Audacity. By default, > Audacity puts the mono file just in the middle between left and right > channel; but, if you like, you can have it weight more left or more right, > in the > percentage you want. I must say that the result is acceptable, and > more... > Why not do all that directly in Audacity? I am sure it works and it will take care of the timing automatically
regards