[hts-users:00965] Re: LSFs

[Junichi Yamagishi <jyamagis@xxxxxxxxxxxx>]

I see.

In all the Nitech-HTS2005, Nitech-NAIST-HTS 2006, and HTS-2007 systems,
the PSOLA was used in the synthesis stage.

The following is the citation from "HTS-2007" paper.

> An excitation signal is generated from one-pitch waveforms,
> which are synthesized with the mixed excitation, using
> PSOLA, and then a synthesized waveform is generated using
> the MLSA filter corresponding to the STRAIGHT mel-cepstral
> coefficients.

Is this what you're talking about?

Thanks,
Junichi


On 2007/11/19, at 14:20, Thomas Drugman wrote:

> OLA stands for Overlap-Add, a well known method in speech synthesis  
> which
> consists in generating speech by adding windowed speech frames.
> PSOLA (Pitch Synchronous OLA) is a famous particular case of OLA  
> techniques.
>
>
>
> -----Message d'origine-----
> De : Junichi Yamagishi [mailto:jyamagis@xxxxxxxxxxxx]
> Envoyé : lundi 19 novembre 2007 15:15
> À : hts-users@xxxxxxxxxxxxxxx
> Cc : Junichi Yamagishi
> Objet : [hts-users:00963] Re: LSFs
>
> What does the OLA stand for?
>
> Junichi
>
> On 2007/11/19, at 11:44, Sacha Krstulovic wrote:
>
> > Heiga ZEN (Byung Ha CHUN) wrote:
> > > > Alternatively, besides the Hemptinne master thesis, has anyone  
> > > > tried
> > > > a spectral envelope + OLA paradigm rather than a source + filter
> > > > paradigm for the vocoding component?
> > > (I think) we did it in our Blizzard Challenge systems.
> >
> > If you refer to STRAIGHT analysis, as far as I understand it is still
> > a source + filter model.
> >
> >
> > Thanks;
> >                                                 -*- Sacha K. -*-
> > --  
> > Dr.Sacha Krstulovic - Research Engineer
> > Toshiba Research Europe Limited
> > Cambridge Research Laboratory
> > Speech Technology Group
> > 208 Science Park, Milton Road
> > Cambridge CB4 0GZ - United Kingdom
> > Tel:    +44 1223 436 978
> > Fax:    +44 1223 436 909
> > E-mail: sacha@xxxxxxxxxxxxxxxxx
> >
> >
> >
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