SPEECH RECOGNITION BY SELECTING AND REFINING HOT WORDS
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United States of America Patent
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Issued Date -
Nov 15, 2018
app pub date -
May 11, 2017
filing date -
May 11, 2017
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Abstract
Speech recognition is performed by receiving a speech signal that includes spoken phones. A dynamic time warping procedure is applied to the received speech signal to generate a time-warped signal. The time-warped signal is compared to a plurality of stored reference patterns to identify a set of stored reference patterns that are most similar to the time-warped signal. A candidate hot word is selected from a list using the identified set of stored reference patterns. The selection of the candidate hot word is then refined.
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