> TwinVQ is a technology by NTT, I thought, and VQ means vector quantazation.

"Transform Weighted Interleave Vector Quanization".  I studied under Dr. Furui
of the Human Interfaces lab when I was a graduate student in Japan and got
demos of TwinVQ while they were still developing it :-)

It was developed by the Human Interfaces laboratory at NTT's Musashino site.

> Threrefore, YAMAHA's SoundVQ may be same as TwinVQ.

It is.  Yamaha was the first to license TwinVQ from NTT.

Monty


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