Speech recognition system for an automotive vehicle
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United States of America Patent
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-
Dec 10, 1985
Grant Date -
N/A
app pub date -
Jan 6, 1983
filing date -
May 1, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a speech recognition and control system for an automobile, the microphone preamplifier gain is made inversely proportional to the background sound noise level. Noise level is determined by averaging the microphone output for 100 milliseconds after the recognition switch is closed, before speech.
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