On Fri, 21 Sep 2001, Eric Jorgensen wrote:

> > Since stereo is merely the encodinf of L+R and L-R (or vice versa, I always
> > forget), it's quite possible to use analog to to (L+R)+(L-R)=2L and
> > (L+R)-(L-R)=2R to get the output.
> 
>       I'm aware of that with regard to FM stereo, but with the acronym salad
> that has become television audio (MTS, DBX, SAP, NICAM, etc) i have no
> idea what's what, or how it's encoded. 

A good explanation on MTS/DBX/SAP is here:

http://www.wa2fnq.hamradios.com/btscdoc.htm


>       Somehow, he's ending up with SAP whenever it's available, and it's
> unclear to me how an analog decoder would select it. 

--
Roberto Jung Drebes <[EMAIL PROTECTED]>
Porto Alegre, RS - Brasil
http://www.inf.ufrgs.br/~drebes/



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