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How do u extract the instrumental from a song?
- Thread starter abeal2
- Start date
I would imagine that would be incredibly difficult unless you had access to the original separate tracks that were recorded in the studio. Audio frequencies tend to lie right in the middle of instrumental frequencies, so completely removing the voice from a mixed track would likely take most of the instrumental content along with it.
NL5
Diamond Member
There are vocal removal programs, but they don't work very well, although they work in an entirely differnt manner than you are thinking. It has more to do with the phase relationship between two tracks in a stereo recording, and the way vocal tracks are NORMALLY put within the stereo field.
I already told the OP the only way to remove them in my post above...... 🙂
Rubycon
Madame President
Recordings start as mulitple tracks. They are often recorded at different times, etc. Complex recordings may have dozens of tracks. These are downmixed to stereo in the final product that you hear. If one had access to the original multi track master material, it would be possible to listen to it and then mute the tracks containing the vocalist(s).
EDIT:
There are simple analog solutions (aka Thompson vocal eliminator) to complex hardware filters costing hundreds of thousands of dollars (that interestingly enough are not designed for the sole purpose of vocal removal but can be used for that purpose given adequate skill of the operator.) that can do this.
Careful post processing can restore the bass response of the original and even make it sound better. Of course the purist approach is, as explained earlier, use the multitrack masters. 🙂
NL5
Diamond Member
It's simple.
1) Pick what song you want to remove the vocal from.
2) Find out who owns the legal rights to said recording.
3) Contact that person and tell them you need to borrow the original multi-track masters.
4) Import said masters into a digital audio workstation.
5) Mute all the vocal tracks.
6) Dump to the audio format of your choice.
🙂
Otherwise, find a Karoke version - that may be easier in some instances......
A music 'mix' is just that -- it is a mix of audio multi-channel down to 1 (or more) channels, so it's difficult (or impossible) to do -- but most people think it can be done. It's the same as making a cake 'mix' of flour, butter, sugar, eggs and milk, mixing the cake, and baking it, and then when the cake is done, asking to have the eggs removed from it.
Having said the above, there is a case where you possibly can get the instrumental. Quite a bit of popular music has the vocals in the 'center' of the channel, that is the same information for vocal in the right channel is the same as the left channel. Therefore, you can copy the 'vocal section' then invert this, and apply it to the right and left channels. What you have then is the vocal section cancelling each other out, and hopefully just the music remains. It's not perfect, because frequencies of some instruments will share the same frequencies as the vocal range, and as such, the regular music will also get affected, but it may be useable if you have no other choice. Settings on audio processing software, such as 'karaoke' and 'instrumental' will usually do a similar thing as above automatically for you.
As others have mentioned, you could look for the 'instrumental' or possibly 'dub' versions of music. These can be found on file sharing systems, Ebay, online purchase, etc. If not, maybe a instrumental 'cover' version exists out there, or even a MIDI file, but they are usually not very good replications of the original, but may fit in your particular case.
Having said the above, there is a case where you possibly can get the instrumental. Quite a bit of popular music has the vocals in the 'center' of the channel, that is the same information for vocal in the right channel is the same as the left channel. Therefore, you can copy the 'vocal section' then invert this, and apply it to the right and left channels. What you have then is the vocal section cancelling each other out, and hopefully just the music remains. It's not perfect, because frequencies of some instruments will share the same frequencies as the vocal range, and as such, the regular music will also get affected, but it may be useable if you have no other choice. Settings on audio processing software, such as 'karaoke' and 'instrumental' will usually do a similar thing as above automatically for you.
As others have mentioned, you could look for the 'instrumental' or possibly 'dub' versions of music. These can be found on file sharing systems, Ebay, online purchase, etc. If not, maybe a instrumental 'cover' version exists out there, or even a MIDI file, but they are usually not very good replications of the original, but may fit in your particular case.
NL5
Diamond Member
You can actually get the masters if you REALLY wanted them - it's just a matter of money.
Your are correct tho - either find a instrumental/Karoke version, or you are pretyy well SOL.
edit - also, if it's a recent song, the artist may have the multi-track files available for download. Trent Reznor did on his last album.....
Chances of you getting the original multi-track is slim to none. Unless you are using it for some purpose and license it (and probably pay a hefty fee), know somebody in the record business, are a signed remixer, or a few other cases, you will not be able to get them. Sometimes artists will release them so that remixers, dj's or mash-up makers will create 'underground' mixes and bootlegs, but without that, it's not likely. Hey, but you can try...
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