Re: [Kaldi-developers] zero-padding in FFT / acoustic models for English

[Daniel P. <dp...@gm...>]

> Thanks for this fantastic toolkit. I have two quick questions:
>
> (1) Is there a way to control the number of points in an FFT (as from
> compute-spectrogram-feats or other commandline tools) separately from
> specifying the window duration? It is typical in phonetics to zero-pad
> FFTs taken over short windows, and it would be nice to be able to
> replicate this type of analysis with Kaldi.
>

Hi, Currently it is not possible; you would have to modify the code to do
this.


> (2) Do you have recommendations for reference acoustic models (possibly
> also language models) trained on English that are appropriate for Kaldi?
> The philosophy of Kaldi is probably to roll one's own, but it would good
> to know if there are solid pretrained models available too.
>

The website kaldi-asr.org has been created so that people can upload their
completed builds, and we will be gradually uploading the results of running
all the example scripts so people can obtain the models online.
Dan




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