[hts-users:00747] Re: MGC postfilter

["Heiga ZEN (Byung Ha CHUN)" <zen@xxxxxxxxxxxxxxx>]

Hi,

Ore, Brian M CTR USAF AFRL/HECP wrote (2007/07/10 23:43): 

> > > Hi. I am trying to apply a postfilter using mel-generalized cepstral 
> > > coefficients as input. I have read the following papers
> > >
> > > K. Koishida, G. Hirabayashi, K. Tokuda, and T. Kobayashi, "A wideband 
> > > CELP speech coder at 16 kbits/s based on mel-generalized cepstral 
> > > analysis," Proc. ICASSP'98, pp. 157-160, 1998
> > >
> > > K. Koishida, K. Tokuda, T. Kobayashi, and S. Imai, "CELP coding system 
> > > based on mel-generalized cepstral analysis," Proc. ICSLP'96, pp. 
> > > 318-321, 1996
> > >
> > > however, I am still confused about how to implement the postfilter using 
> > > SPTK. I was wondering if anyone has implemented this before and can 
> > > offer any suggestions. Thanks for any help you can provide.
> >
> > Do you mean MGC or MGC-LSP?
>
> Hi. I am actually interested in MGC-LSP.

We have tested several types of postfilters for MGC-LSPs but they are not implemented based on SPTK.
(We wrote our own programs to perform postfiltering.)

Regards,

Heiga ZEN (Byung Ha CHUN)

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Heiga ZEN     (in Japanese pronunciation)
Byung Ha CHUN (in Korean pronunciation)

Department of Computer Science and Engineering
Nagoya Institute of Technology
Gokiso-cho, Showa-ku, Nagoya 466-8555 Japan

http://www.sp.nitech.ac.jp/~zen
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