[hts-users:01664] Re: Stability problem using LSP

[Keiichiro Oura <uratec@xxxxxxxxxxxxxxx>]

Hi, Geoffrey

To separate a duration problem and a LSP stability problem, you should 
try to use mel-Cepstrum parameter for spectrum.

Regards,
Keiichiro Oura

Geoffrey Wilfart wrote:
> Dear all,
>
> I have run an experiment training a model on 24-order LSP coefficients + 
> LF0 for alpha=0.42 and gamma=3.
>
> The training went well, and I'm able to synthesize some sentences.
>
> However, the models seem sensitive to duration models, and I have 
> encountered problems when synthesizing speech from training labels, with 
> imposed segmentation, or using a third-party duration model.
>
> I have tried to use lspcheck for stability, without success. 
>
> Do you have any idea with is this ?
>
> Thank you,
>
> Geoffrey