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. But can we say that all this allows us to do without mixer or multi-channel audio interface...? In fact, I suppose I could even add some other USB cards if I wanted to add more instruments, say a violin... Cheers, Rodolfo