Telephony channel simulator for speech recognition application
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United States of America Patent
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-
Dec 12, 1995
Issued Date -
N/A
app pub date -
Feb 24, 1994
filing date -
Sep 21, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A telephony channel simulation process is disclosed for training a speech recognizer to respond to speech obtained from telephone systems. An input speech data set is provided to a speech recognition training processor, whose bandwidth is higher than a telephone bandwidth. The process performs a series of alterations to the input speech data set to obtain a modified speech data set. The modified speech data set enables the speech recognition processor to perform speech recognition on voice signals from a telephone system.
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