[CELT-dev] Dual mono not stereo

Stefan de Konink stefan at konink.de
Sun Feb 21 20:03:06 PST 2010

Op 22-02-10 04:53, Gregory Maxwell schreef:
> On Sun, Feb 21, 2010 at 10:44 PM, Stefan de Konink<stefan at konink.de>  wrote:
>> Op 22-02-10 04:22, Paul Sykes schreef:
>>> If I want to encode two audio channels that are not related, audio from
>>> two different sources not stereo, is it best to create two instances of
>>> a single channel encoder or use one encoder with two channels?
>> With two different instances you would never have the benefits of any
>> entropy found in the other channel and the single memory structure. So
>> unless this will lead in a quality reduction because an assumption is
>> made that there will always be similarities (like with joint-stereo) I
>> would go for the multichannel variant.
> He did say that they were not related.

True, but unrelated doesn't mean a noise. You did gave some assumptions 
that are taken into account. But for example if you do end up with two 
streams don't you at least want to have arithmetic encoding on the outcome?


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