[opus] PVQ Quantization

[Lendi Martin]

Hi,

I'm studying at ETH Zurich and want to use a pyramid vector quantization for my semester thesis. Unfortunately, I have some troubles with generating the codebooks for high dimensions. For vectors with dimension bigger than 12 it takes such a long computation time to generate.

I thought maybe you could help me out with a efficient way to do this? Is there some code available?

Thanks for your answer,

Martin
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