Recognizing speech by selectively canceling model function mixture components
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United States of America Patent
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Feb 14, 2006
Grant Date -
Apr 18, 2002
app pub date -
Sep 5, 2001
filing date -
Sep 6, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for recognizing speech is proposed wherein the process of recognition is started using the starting acoustic model (SAM) and wherein the current acoustic model (CAM) is modified by removing or cancelling model function mixture components (MFMjk) which are negligible for the description of the speaking behavior and quality of the current speaker. Therefore, the size of the acoustic model (SAM, CAM) is reduced by adaptation to the current speaker enabling fast performance and increased recognition efficiency.
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