On Sun, 6 Aug 2017, at 17:18, Rodolfo Medina wrote: > To add a third microphone for human voice (the former two are for piano), > I plan to use a second PC as suggested by Fungi4All. This way I'll > continue to do without mixer or audio interface, till the moment I'll want > to do things more professionally. Now, they're just home made records...
The single best reason for using a multi-channel (ie not just a stereo) audio interface is simplicity. All the channels will be in-sync with each other and all the audio signals can be captured on a single computer. -- Jeremy Nicoll - my opinions are my own.