Speech processing device, speech processing method, and speech processing system
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United States of America Patent
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May 15, 2018
Issued Date -
N/A
app pub date -
Jan 8, 2016
filing date -
Jan 14, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A speech processing device includes a sound source localization unit configured to determine a sound source position from acquired speech, a reverberation suppression unit configured to suppress a reverberation component of the speech to generate dereverberated speech, a feature quantity calculation unit configured to calculate a feature quantity of the dereverberated speech, a feature quantity adjustment unit configured to multiply the feature quantity by an adjustment factor corresponding to the sound source position to calculate an adjusted feature quantity, and a speech recognition unit configured to perform speech recognition using the adjusted feature quantity.
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