[linux-audio-user] Remixing

[Jonty Needham]

Many thanks for the replies, but one thing I don't quite understand. I'm
not sure what you mean by "left -right". Would that not be reversing the
polarity of the signal and then adding them together, or am I missing
something critical.

On Wed, 2006-06-14 at 14:30 +0300, Sampo Savolainen wrote:
> 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. 
> 
>  Sampo
-- 
Jonty Needham <jmn20 at bath.ac.uk>