[mythtvnz] Multicast your noisy frontend or backend to a quiet box?

[David Moore]

On 4/02/2012, at 3:57 PM, James Gray <james6.0 at gmail.com> wrote:

> 
> not to mention downgrade in quality as a result of the multiple decoding and encoding.
> 
> I think this comment would have been particularly applicable to analogue signals, however given these are digital one would hope it was lossless.  Accept it might not be though.
> 
> Not the case with lossy compression. Imagine lossy compression as a cookie cutter, a different shape is a different codec. Use two different codecs, and you get the losses of both
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Even worse. Even with the same codec you still get losses because the 2nd (3rd, etc) coding stage compresses an image with less info than the original.
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