Re: [Kaldi-users] Integration of Kaldi into a voice-to-voice translator

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As I said on my data have results like 70% WER. It is due to some bug,
which I have not fixed yet.

In the online demo I tried to use our test (quite general data - in terms
of LM) and test it against online demo,
because as far as I understood it the online demo was trained on the same
data which are in supplied as the test data.

Basically, I was asking for the numbers because I need to know if I have
still bug in my script or it is just normal performance.

Thansk

Ondra

On 14 May 2013 15:39, Mailing list used for User Communication and Updates <
kal...@li...> wrote:

> Hi,
>
> I don't have specific numbers to share (as I said the online decoder
> is not rigorously tested as far as I know). In principle I think the
> online decoder should perform slightly worse than the offline versions
> due to things like online CMN computation.
>
> What do you mean exactly when you say that the results for the online
> demo are not so good? As far as I remember the WER for the test WAV
> files was about 7%, which is not so bad as today's speech recognition
> goes. Of course the WER in this case is so low, because the language
> model is relatively small and perfectly matches the test files (the LM
> is trained on the text corresponding to the audio book from which the
> test utterances were taken - not the best practice of course).
>
> Vassil
>
> On Tue, May 14, 2013 at 2:59 PM, Mailing list used for User
> Communication and Updates <kal...@li...> wrote:
> > Hi Vassil,
> >
> > May I asked about the performance (in terms of WER/SER) of online
> decoder?
> >
> > What is the expected WER for online-wav-gmm-decode-faster,
> > if I reached with  gmm-latgen-faster scores in table below?
> > I would like to use the same trained models for
> online-wav-gmm-decode-faster
> > as
> > I used for  gmm-latgen-faster (and lattice-best-path).
> >
> > exp             RT coef         WER
> > _ri3b_fmmi_b    11.33336625     19.42
> > tri2b_mpe       1.2307175       21.22
> > mono            2.8952          49.88
> > tri3b_mmi       1.24198625      20.01
> > tri1            2.398165        28.13
> > tri2b_mmi       1.65662125      20.34
> > tri2a           2.15838         28.43
> > tri2b           1.451105        27.96
> > tri3b           1.0596075       27.79
> > tri3b_fmmi_c    11.4361875      19.13
> > tri2b_mmi_b0.05 2.0089575       19.64
> > tri3b_fmmi_d    16.1227625      19.5
> >
> > The names and the core settings of experiments are the same as in
> > egs/voxforge/s5/run.sh
> >
> >
> > With the online-wav-gmm-decode-faster
> > I reached really bad scores due to bugs (which I still need to fix),
> > but still also in the online demo the results are not so nice.
> >
> > Thanks for any help
> >
> > Ondra Platek
> >
> >
> > On 26 April 2013 15:35, Mailing list used for User Communication and
> Updates
> > <kal...@li...> wrote:
> >>
> >> Hi,
> >> as for taking input from a microphone you might want to have a look at
> >> the (optional) online decoder. There is a simple demo script in
> >> egs/voxforge/online-demo. There is also a version that can decode .wav
> >> files without a separate feature extraction step. The code is not
> >> extensively tested and lacks some polish and flexibility, but perhaps
> >> you can use it as an example.
> >>
> >> Vassil
> >>
> >> On Fri, Apr 26, 2013 at 3:55 PM, Mailing list used for User
> >> Communication and Updates <kal...@li...> wrote:
> >> > Dear all,
> >> > I'm working on the development of an R&D voice-to-voice module and I
> >> > would
> >> > like to use Kaldi for the transcription part (we made some tests with
> >> > PocketSphinx but we found that Kaldi is more adapted for our task).
> >> >
> >> > The problem is that I'm not really expert in speech2text (Kaldi models
> >> > will
> >> > be provided by another team) and I did not found scripts (or plugins)
> >> > allowing an easy integration of Kaldi : How to manage streams (with
> >> > gstreammer for example)? how we can decode a single wav file? etc.
> >> >
> >> > Is someone else has already handle these problems? are there any
> scripts
> >> > to
> >> > facilitate this task?
> >> >
> >> > thanks in advance for your reply,
> >> >
> >> > Best regards
> >> >
> >> >
> >> >
> >> >
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