[vorbis] Vorbis Codebooks

[stoffke at directbox.com]

Hello, 

Vorbis uses codebooks,  for example to do vectorquantization and huffman-encoding.

My question is - are all these codebook dynamicly generated ("trained") 

or are there also static codebooks used ?

If yes, what specific tasks are these 2 types used for, during encoding ?

 

Thanks

Stoffke

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