On Designing Pronunciation Lexicons for Large Vocabulary, Continuous Speech Recognition (0)
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BibTeX
@INPROCEEDINGS{Lamel_ondesigning,
author = {Lori Lamel and Gilles Adda},
title = {On Designing Pronunciation Lexicons for Large Vocabulary, Continuous Speech Recognition},
booktitle = {},
year = {},
pages = {6--9}
}
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Abstract
Creation of pronunciation lexicons for speech recognition is widely acknowledgedto be an important, but labor-intensive, aspect of system development. Lexicons are often manually created and make use of knowledge and expertise that is difficult to codify. In this paper we describe our American English lexicon developed primarily for the ARPA WSJ/NAB tasks. The lexicon is phonemically represented, and contains alternate pronunciations for about 10% of the words. Tools have been developed to add new lexical items, as well as to help ensure consistency of the pronunciations. Our experience in large vocabulary, continuous speech recognition is that systematic lexical design can improve system performance. Some comparative results with commonly available lexicons are given. 1. INTRODUCTION Creation of pronunciation lexicons for speech recognition is widely acknowledged to be an important aspect of system development, but is it rarely addressed in detail. This is probably because the lexic...
