On Mar 11, 2007, at 3:37 PM, John Lundsten wrote:
> The process is 100% accurate, 100% reversible (if your doing this
> digitally that is - kinda close with analog electronics) My demo "party
> piece" to demonstrate this to my students is to take 2 signals; some
> music
> in mono and something nasty sounding like White noise or Timecode.
> Then Sum
> & difference these (IE MS encode them) then decode back to 2 very
> separate &
> clean signals. If you listen to either just the M or the S you get
> loads
> of noise and barely audible music I tend to crank up the noise to
> emphasise
> how effective this all works.
Well, it's almost 100% accurate. You will get some differences in the
lowest bits due to roundoff errors. Some software will also introduce a
dither if you're recording 16 bits.
I doubt that the difference would be audible unless you repeat the
process several times.
>
> BTW, Personally I tend to keep every generation, so I do save my MS
> originals.
Good idea.
Ed
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