Determination of phone weights for markov models in a speech recognition system
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United States of America Patent
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Apr 26, 1988
Grant Date -
N/A
app pub date -
Jan 31, 1985
filing date -
Jan 31, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a speech recognition system, discrimination between similar-sounding uttered words is improved by weighting the probability vector data stored for the Markov model representing the reference word sequence of phones. The weighting vector is derived for each reference word by comparing similar sounding utterances using Viterbi alignment and multivariate analysis which maximizes the differences between correct and incorrect recognition multivariate distributions.
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