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afterdawn.com > forums > digital audio > audio > is there a way to separate voice from music?
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Is there a way to separate voice from music?
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somps
Newbie
_ 		19. April 2004 @ 10:37 _ Link to this message    Send private message to this user   
Anyone know a way to separate voice from music? For example, If I bought any old CD from the music store, is there a program that would be able to destiguish voice and music and be able to separate them into separate audio files if wanted?
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Somps
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tigre
Moderator
_ 		19. April 2004 @ 12:00 _ Link to this message    Send private message to this user   
Do a searches for "voice removal" or "karaoke" here or click this link: http://www.google.com/search?q=%22center%20cut%22&sitesearch=hydrogenaudio.org

The trick is that in most recordings the (main) singer's voice is located in the center of the stereo image. By substracting the channels you can remove the voice. To get the voice only you need more advanced processing. "Center cut" dsp plugin for winamp/foobar2000 is the only free application I know which can do both (remove voice and keep voice/remove instruments). For center removal only there are several plugins. The results always depend on the source. Lossy encodings like mp3 don't give very good results generally (you'll hear encoding artifacts after processing) - and some recordings have the voice not located in the middle of the soundstage.
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somps
Newbie
_ 		19. April 2004 @ 14:00 _ Link to this message    Send private message to this user   
Thanx,

I was aware about Karaoke songs, but didn't know about the other... thanx so much
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Somps
{TKO}
Member
_ 		21. April 2004 @ 16:25 _ Link to this message    Send private message to this user   
i've tried the center cut thing and it sounded like crap....maybe it was just VirtualDub, but if that's how most of em sound....don't bother
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-One Love-Seek God-
"You are not educated as long as you have prejudices against anyone for any reason other than his or her character." - Martin Luther King Jr.

musicfan
Suspended permanently
_ 		24. April 2004 @ 00:24 _ Link to this message    Send private message to this user   
To seperate voice from music, you may try cooledit
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tigre
Moderator
_ 		24. April 2004 @ 02:14 _ Link to this message    Send private message to this user   
Musicfan, are you talking about using Cool Edit's "Channel Mixer" to substract channels (= remove all audio located in the center of stereo image) - or is there a special feature I've missed?

BTW: Simple channel substraction can be done using foobar2000 too with this DSP chain: "Simple surround" -> "Downmix channels to mono".
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Lardzor
Junior Member
_ 		24. April 2004 @ 22:29 _ Link to this message    Send private message to this user   
Hope I am not off topic here.
I am having a problem with the sound from movies. Basically, the voices are too low, and hard too understand. If I just increase the volume, then the voices can be heard, but the music is way too loud. I realize I can use a wav editor to selectively select the dialog I wish to enhance, but often the music and dialog overlap. Are there any audio filters that will specifically enhance the dialog, or lower the music, or any suggestions that might help me out with this current situation ?
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Old wizards never die....
(but young ones do)
tigre
Moderator
_ 		24. April 2004 @ 23:37 _ Link to this message    Send private message to this user   
Yes. It is off-topic here. ;-)

The reason is probably this: You listen to (AC3) surround sound on 2 channel setup, i.e. you only hear left+right front channels, but no center (-> voices) or rear channels.
Get MatrixMixer Directshow filter. You should be able to use it for downmixing 5.1 to stereon on the fly on playback with any capable player like Windows Media Player or Media Player Classic.
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Lardzor
Junior Member
_ 		26. April 2004 @ 05:37 _ Link to this message    Send private message to this user   
Thank you for the response Tigre. I will see what I can do with MatrixMixer DirectShow Filter.
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Old wizards never die....
(but young ones do)
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