Speech recognition device
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United States of America Patent
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-
Jun 26, 1990
Grant Date -
N/A
app pub date -
May 24, 1989
filing date -
May 24, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A speech recognizing device capable of recognizing a speech uttered in a noisy environment. The device uses low frequency data which are hardly susceptible to spectrum fluctuations for those portions of an input speech which are similar to vowels, while using entire frequency data for the other portions of the speech.
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