Method of speaker adaptive speech recognition
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United States of America Patent
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Dec 8, 1992
Grant Date -
N/A
app pub date -
Sep 21, 1990
filing date -
Sep 22, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for recognizing spoken words of a speech includes extracting feature vectors from a speech signal which corresponds to a spoken phrase, and segmenting and classifying the successive extracted feature vectors into syllable oriented word subunits by means of a stored supply of word subunits to form a set of hypotheses. The set of hypotheses is used to generate, by three dimensional time dynamic comparision, a set of word hypotheses by comparing the segmented and classified word subunits with standard pronunciations and pronunciation variants of a plurality of words stored in a reference pattern vocabulary. The generated set of word hypotheses are then subjected to syntactic analysis to determine the spoken phrase.
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