[linux-audio-user] Removing voice

[Arnold Krille]

On Wednesday 30 March 2005 21:41, Bill Moseley wrote:
> Anyone know of a good filter I can use to remove voice?  I've got some flac
> files that I'd like to filter to remove voice and burn for my kids to
> sing with.
> I tried using sox:
>     sox in.wav out.wav band <center>
> But I can't find a good setting for <center> that works anywhere as
> well as xmms's Voice Removal or DeFX plugins.
> I'm looking for something like sox -- trying to avoid snd or audacity
> just to make converting a lot of files easier.  Plus, I tried Steve
> Harris' LADSPA Karaoke plugin and it doesn't seem to work quite as
> well as the ones in xmms.  Subjective, of course.

These voice-removal-plugins are afaik all the same algorithm. and this works 
on some songs but not on all. And from my experience most times it works it 
also removes the bass. Only exception is the Voice-Removal for aRts shipped 
in kdemultimedia where the normal algorithm is combined with a Xover filter 
so the bass isn't affected by the removal. Which work better but again not on 
all songs...

So it might be that you got songs where this doesn't work...

Arnold

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