Context free grammar engine for speech recognition system
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United States of America Patent
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Oct 18, 2005
Grant Date -
May 2, 2002
app pub date -
Dec 29, 2000
filing date -
Jul 20, 2000
priority date (Note) -
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Abstract
The present invention includes a context-free grammar (CFG) engine which communicates through an exposed interface with a speech recognition engine. The context-free grammar engine, in one illustrative embodiment, handles loading and unloading of grammars, as well as maintaining a desired activation state of the grammars which are loaded. Further, the CFG engine represents all loaded grammars, and their corresponding activation states, as a single grammar to the speech recognition engine.
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