🚀 go-pugleaf

<zvoidx@gmail.com> wrote in message 
news:b5d19217-e16a-4cf7-a7a7-df5275c16681@y5g2000hsf.googlegroups.com...
> Is there a way that a mono recording, (i.e. the Beatles), can be
> separated to isolate separate instrument/vocals and then apply Auto-
> Tune/pitch correction or other fx?
>
> Is it that it would take a lot of tech knowledge to execute this or
> has something like this reached the point of just making the right
> adjustments in a program like Cakewalk, Pro Tools, etc.?
>
> Thanks.

The mathematical problems of analysis are daunting, confounded by musical 
terms that would be difficult to resolve as an algorithm. For example many 
years ago I posted an example mono wav file of 2 flutes and a piano. One 
flute played melody and the other an obligatio whilst the piano tinkled 
away! The object was to produce a midi file (yes the old can you convert a 
wavefile to midi question, so I can rip off someone else's arrangement, the 
underlying motif for the question!!!).  Now the problem is how do you 
separate a melody from an obligatio and a piano for that matter an 
instrument that has more numerical harmonics attached as one goes down the 
scale in contrast to most other instruments? Then how do you assign say the 
fourth harmonic of  a note from one flute with the other or an orphaned 
12,526Hz harmonic - who gets it?

Now if you could extract a voice buried in a symphony orchestra or rock 
group, that didn't sound like it was being phoned in from Pluto the security 
and other spooks would *really* be interested!! In terms of the originally 
poster I think this falls into the "myth" busted category for all practical 
purposes.  BTW even if my original recording was stereo it still doesn't 
help much... As for the Beatles tapes as others have commented they were 
mostly 4 track heavily overdubbed.....