julius/ngram_decode.c File Reference

Word prediction based on N-gram probability and word trellis index for 2nd pass of Julius. More...

#include <julius.h>

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Detailed Description

Word prediction based on N-gram probability and word trellis index for 2nd pass of Julius.

Author:

Akinobu Lee

Date:

Fri Jul 8 14:57:51 2005

These functions returns next word candidates in the 2nd recognition pass of Julius, i.e. N-gram based stack decoding.

Given a partial sentence hypothesis, it first estimate the beginning frame of the hypothesis based on the word trellis. Then the words in the word trellis around the estimated frame are extracted from the word trellis. They will be returned with their N-gram probabilities.

In Julius, ngram_firstwords(), ngram_nextwords() and ngram_acceptable() are called from main search function wchmm_fbs(). In Julian, corresponding functions in dfa_decode.c will be used instead.

Revision

1.4

Definition in file ngram_decode.c.

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