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Serious Producer Question
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Vitamin-DLW
Lets say I have two copies of the same track, one being the full version (vocals + instruments) and the other is just an instrumental. Is there software I could use to mash the two together in a way that cancels out the instrumentation leaving me with just an accapella?

Not sure if it has something to do with reversing the polarity or something or another.

But i definitely would like to know wat to use and how to do it.


thanks in advanced!
phantom limb
quote:
Originally posted by Vitamin-DLW
Lets say I have two copies of the same track, one being the full version (vocals + instruments) and the other is just an instrumental. Is there software I could use to mash the two together in a way that cancels out the instrumentation leaving me with just an accapella?

Not sure if it has something to do with reversing the polarity or something or another.

But i definitely would like to know wat to use and how to do it.


thanks in advanced!


Unfortunately, I am not a mad scientist, so I wouldn't know from experimentation. The best way to extract the vocals would be through pure EQing from the track with the vocals and instruments. Although, you lose a good portion of the dynamics of the vocals, I believe it's your best shot. Unless, you are able to extract the vocals from parts of the song, where there aren't a lot of percussion and other instruments going on.
jackpea
I remember seeing a youtube clip on this a while ago. Id suggest searching there.
phantom limb
quote:
Originally posted by jackpea
I remember seeing a youtube clip on this a while ago. Id suggest searching there.


Wow! This seems plausible. All one has to do is invert the correct track and align them. This guy performed this using Adobe Audition. Works just like magic. Here's the link: http://youtube.com/watch?v=S0BLpoEYx4U
Stevemarble
im just guessing, but would playing the vocal track out the left and the instrument track out the right at identical times leave only the vocal?

My logic is based on pluging in speaker cables in the wrong sockets from a stereo and obsering the waves cancel out...
Vitamin-DLW
quote:
Originally posted by phantom limb
Wow! This seems plausible. All one has to do is invert the correct track and align them. This guy performed this using Adobe Audition. Works just like magic. Here's the link: http://youtube.com/watch?v=S0BLpoEYx4U

wow thanks thats a very good find!
kitphillips
Yes, reversing the phase on the instrumental track and combining it with the full track should result in an accapella. Just use the phase reverse plugin in your DAW.

Trouble is, most commercially released instrumentals have different mastering and also tend to be missing other instruments. Different mastering will result in artifacts which may or may not be severe... your instrumental track certainly won't include reverb tails and backing vocals, so these elements won't cancel out.

What you'll be left with is at best an effected vocal + vocal backing tracks, and at worst a complete mess of artifacts and extra instruments. But try it and see, the success of this method depends on the track;)
Jono404
Yeah they need to be exactly the same, which means no vinyl rips or mp3s, you'll have to use pure WAV ripped from cd for both the instrumental and the vocal mix. When it works it actually works well, you'll probably need a touch of eq here and there but they are definitely usable in a track.
camsr
actually you should look for a vst named kn0ck0ut. does exactly what you want.
mysticalninja
quote:
Originally posted by phantom limb
Unfortunately, I am not a mad scientist, so I wouldn't know from experimentation. The best way to extract the vocals would be through pure EQing from the track with the vocals and instruments.



no. that would be the worst way of trying to get rid of them -_-

Floorfiller
you know for a technique that people always seem to be so skeptical of...he sure made that look easy.


i think people just haven't lined things up properly. i know sound forge isn't as friendly as audacity for something like this you basically have to guess if you have it right or not...you don't get to keep adjusting like that...

nice to know it's possible...i'll have to try it sometime...
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