[vorbis] Spectrum duplication (2)

[Sune Foldager]

Christian.Buchner wrote:

>> I'm no expert, but imo the technique used by MP3Pro is a kludge to
>> maintain backward compatibility with regular MP3.
>>
>> Ogg doesn't need that sort of nonsense.
>
> IMO, anything that saves bitrate and still sounds good should not
> be dismissed as nonsense. If it's a way of coding information
> efficiently, it should at least be considered.

My words exactly :-).

> However if it's patented and these patents cannot be circumnavigated,
> then SCREW IT. ;)

Yes, this is of course a problem. But can the sheer _concept_ of 
regenerating the higher end spectrum from the lower end with some 
auxilary data be patented? Well.. I don't know how it works, but 
software patens in general suck in my oppinion :-(.


-- 
Sune.

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