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LSF quantizer

Started by #ARIJIT BISWAS# January 16, 2008
Hi all!

Does anyone know whats the latest & greatest LSF quantizer available for wideband speech coding? :-)
For example, whats the minimum number bits/frame required for quantizing a 16-th order LPC operating at 16-kHz sampling?

If anyone is aware of any nice references please let me know.

Best Regards,
Arijit

the split multistage vq (smvq) is probably one of the best methods, it
is implemented in the g.722.2 wideband codec (amr-wb), but carefull
with the patents. you can find all the details in the ITU-T
recommandations.
also a found this paper on the web :
http://maxwell.me.gu.edu.au/spl/publications/papers/merc05_so.pdf

cheers
--- In s..., "#ARIJIT BISWAS#"
wrote:
>
> Hi all!
>
> Does anyone know whats the latest & greatest LSF quantizer
available for wideband speech coding? :-)
> For example, whats the minimum number bits/frame required for
quantizing a 16-th order LPC operating at 16-kHz sampling?
>
> If anyone is aware of any nice references please let me know.
>
> Best Regards,
> Arijit
>