Rodolfo Medina <rodolfo.med...@gmail.com> writes: > deloptes <delop...@gmail.com> writes: > >>> >>> 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 > > > Thanks, I'll have a try.
Apparently, Audacity doesn't let you record simultaneously from two or more sources... you have to choose one source. Rodolfo
