Patent ID: 8346555

Claim:
A speech processing method comprising acts of: utilizing an original speech recognition grammar in a speech recognition system to perform first speech recognition operations for a plurality of recognition instances, the original speech recognition grammar being a grammar-based language model grammar, the first speech recognition operations comprising using the original speech recognition grammar to process first audio data that represents speech utterances; storing instance data generated based on the first speech recognition operations performed using the original speech recognition grammar; automatically generating a replacement grammar from the stored instance data, comprising determining, based on at least in part the stored instance data, a number of times at which at least one word or phrase was recognized in the first speech recognition operations, wherein the replacement grammar is a statistical language model grammar; selectively replacing the original speech recognition grammar in the speech recognition system with the replacement grammar; and utilizing the replacement grammar to perform second speech recognition operations comprising processing second audio data; generating additional instance data based on the second speech recognition operations; tuning the replacement grammar based on the additional instance data.