On lattice free MMI and Chain models in Kaldi

On lattice free MMI and Chain models in Kaldi

Update (January 22, 2020): After several discussions with Matthew Wiesner, I have added some content to this post (e.g. deriving the derivatives for MMI) and rewritten some parts to make the explanations clearer. Recently, I came across this paper which compares several sequence discriminative training criteria based on the popular...

1 mentions: @rdesh26
Date: 2020/01/22 23:20

Referring Tweets

@rdesh26 TIL how the gradients for the MMI objective function are computed. I have now updated my blog post on LF-MMI and the Kaldi chain model to include this (among other things): t.co/yfrnemnqeo