Re: [Kaldi-developers] GMM based model statistics

[Arif K. <ife...@gm...>]

Thanks Daniel.


   1. Do we have any fixed rule, or it is just trying different
   combinations and see the results.
   2. Are the No. of leaves and No. of Gaussian dependent on each other OR
   they are independent means one can change either of them in any proportions.



Thank you very much.

Best regards,
Arif


On Tue, Oct 29, 2013 at 4:39 PM, Daniel Povey <dp...@gm...> wrote:

> If you have only 1 hour of data, you will have to modify the arguments
> to the triphone-training script, i.e. the number of tree leaves and
> number of Gaussians should be reduced.
> Dan
>
>
> On Tue, Oct 29, 2013 at 11:37 AM, Arif Khan <ife...@gm...> wrote:
> > Thanks Daniel for you quick answer.
> >
> > I have another question. I train a model using the WSJ S1 and S5 recipe,
> and
> > got good results on monophone system than triphone. I have about 1000
> > utterances, with length of ~1 hr, and about 300 vocabulary size.
> >
> > In theory,  the triphone system should perform better than monophone. So
> I
> > don't know if something is wrong in the tree construction or any thing
> else
> > could be fixed.
> >
> > Best regards,
> > Arif
> >
> >
> > On Tue, Oct 29, 2013 at 4:17 PM, Daniel Povey <dp...@gm...> wrote:
> >>
> >> Sorry, there is no code per se to get those kind of stats, but you
> >> could perhaps convert the alignments into phone sequences and get the
> >> stats by hand (see ali-to-phones).
> >>
> >> Regarding the tree construction process, there is probably some
> >> documentation on kaldi.sf.net; if there is a particular aspect of that
> >> that is unclear, please let us know; but  otherwise, I doubt anyone
> >> has time to respond to your question right now.
> >>
> >> Dan
> >>
> >>
> >> On Tue, Oct 29, 2013 at 10:42 AM, Arif Khan <ife...@gm...>
> wrote:
> >> > Dear Kaldi authors,
> >> >
> >> > I want to do some analysis of the training data. Basically I want to
> >> > find
> >> > out the number of phones (mono phone and tri phone) that appeared in
> the
> >> > training set. (relative frequency). Is there any module/script
> available
> >> > for
> >> > it.
> >> >
> >> > Also, I want to find out the tree construction process. I know the
> >> > basics
> >> > from wsj/s5 recipe. But, some more details will be helpful.
> >> >
> >> >
> >> > Best regards,
> >> > Arif
> >> >
> >> >
> >> >
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