METHOD FOR BUILDING ACOUSTIC MODEL, SPEECH RECOGNITION METHOD AND ELECTRONIC APPARATUS
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United States of America Patent
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Apr 23, 2015
app pub date -
Sep 19, 2014
filing date -
Oct 18, 2013
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Abstract
A method for building acoustic model, a speech recognition method and an electronic apparatus are provided. The speech recognition method includes the following steps. A plurality of phonetic transcriptions of a speech signal is obtained from an acoustic model. A plurality of vocabularies matching the phonetic transcriptions are obtained according to each phonetic transcription and a syllable acoustic lexicon, wherein the syllable acoustic lexicon includes the vocabularies corresponding to the phonetic transcription, and the vocabulary having at least one phonetic transcription includes a code corresponding to the phonetic transcription. A plurality of strings and a plurality of string probabilities are obtained from a language model according to the code of each of the vocabularies.
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