Re: [Kaldi-developers] GMM based model statistics

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

Thanks a lot Daniel.  :)

Best regards,
Arif


On Tue, Oct 29, 2013 at 5:41 PM, Daniel Povey <dp...@gm...> wrote:

> There are no maximums, but generally it won't pay to make it more than
> 10,000 regardless how much data you have.
> Dan
>
>
> On Tue, Oct 29, 2013 at 12:35 PM, Arif Khan <ife...@gm...> wrote:
> > Thank you very much Daniel for such a detail answer.
> >
> > One more question in this regard,
> >
> > Do we have a maximum limit specially for No. of leafes, if we add more
> > corpus for training like WSJ than TIDIGITS or WSJ than Air traffic data.
> >
> > Best regards,
> > Arif
> >
> >
> >
> > On Tue, Oct 29, 2013 at 5:06 PM, Daniel Povey <dp...@gm...> wrote:
> >>
> >> The number of leaves should decrease as you decrease the data, but
> >> less than proportionally (e.g. 1/10 the data -> 1/4 the number of
> >> leaves).
> >> The number of Gaussians per leaf, which is the ratio of tot-num-gauss
> >> to num-leaves, should decrease as you decrease the data, e.g. 1/10 the
> >> data -> maybe 1/2 the average number of Gaussians per leaf.  The total
> >> number of Gaussians should decrease in a
> >> slightly-less-than-proportional way as you decrease the amount of
> >> data.
> >>
> >> Dan
> >>
> >>
> >> On Tue, Oct 29, 2013 at 12:04 PM, Arif Khan <ife...@gm...>
> wrote:
> >> > Thanks Daniel.
> >> >
> >> > Do we have any fixed rule, or it is just trying different combinations
> >> > and
> >> > see the results.
> >> > 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
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> ------------------------------------------------------------------------------
> >> >> >> > Android is increasing in popularity, but the open development
> >> >> >> > platform
> >> >> >> > that
> >> >> >> > developers love is also attractive to malware creators. Download
> >> >> >> > this
> >> >> >> > white
> >> >> >> > paper to learn more about secure code signing practices that can
> >> >> >> > help
> >> >> >> > keep
> >> >> >> > Android apps secure.
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> http://pubads.g.doubleclick.net/gampad/clk?id=65839951&iu=/4140/ostg.clktrk
> >> >> >> > _______________________________________________
> >> >> >> > Kaldi-developers mailing list
> >> >> >> > Kal...@li...
> >> >> >> > https://lists.sourceforge.net/lists/listinfo/kaldi-developers
> >> >> >> >
> >> >> >
> >> >> >
> >> >
> >> >
> >
> >
>