[linux-audio-user] Remixing

Sampo Savolainen v2 at iki.fi
Wed Jun 14 07:30:46 EDT 2006

Quoting Ismael Valladolid Torres <ivalladolidt at terra.es>:

> AFAIK you can do left channel minus right channel so you're killing
> whatever it's in the middle of the stereo field, which usually are
> vocals. This work for karaoke. But I don't know a way to kill
> everything except the middle of the stereo field, and I don't think
> it's posible.

Reverse polarity on either channel (left or right, it doesn't matter) and
then do a LEFT-RIGHT and you'll end up with the signal that Ismael's
technique removed. 


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