Context free grammar engine for speech recognition system

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United States of America Patent

PATENT NO 7206742
SERIAL NO

11296074

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Abstract

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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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Patent Owner(s)

  • MICROSOFT TECHNOLOGY LICENSING, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lipe, Ralph Clyde Hill, WA 22 693
Schmid, Philipp Heinz Seattle, WA 11 591

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