[78-L] Reversing audio

[Jeff Lichtman]

>On 12/07/2010 Martin Fenton wrote;
>
>MF> If you paste an inverted copy of one on top of the other, it will cancel
>MF> out to produce absolute silence.
>
>True, but the discussion here is about *reversed* audio (i.e. playing
>backwards) not inverted (which is simply a phase change).
>
>Graeme Jaye

I believe the point that Martin was trying to make is that, if you 
reverse an audio signal twice, then invert it and sum it with the 
original, you will get a zero signal, thus proving that the reversals 
introduced no distortion.


                        -        Jeff Lichtman
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