A Comparison Of Time Conditioned And Word Conditioned Search Techniques For Large Vocabulary Speech Recognition (1996)
| Venue: | Proc. Int. Conf. on Spoken Language Processing |
| Citations: | 19 - 14 self |
BibTeX
@INPROCEEDINGS{Ortmanns96acomparison,
author = {S. Ortmanns and H. Ney and F. Seide and I. Lindam},
title = {A Comparison Of Time Conditioned And Word Conditioned Search Techniques For Large Vocabulary Speech Recognition},
booktitle = {Proc. Int. Conf. on Spoken Language Processing},
year = {1996},
pages = {2091--2094}
}
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Abstract
In this paper, we compare the search effort of the word conditioned and the time conditioned tree search methods. Both methods are based on a time-synchronous, left-to-right beam search using a treeorganized lexicon. Whereas the word conditioned method is well known and widely used, the time conditioned method is novel in the context of 20 000--word vocabulary recognition. We extend both methods to handle trigram language models in a one--pass strategy. Both methods were tested on a train schedule inquiry task (1 850 words, telephone speech) and on the North American Business (Nov.'94) development corpus (20 000 words).
