Patent ID: 7603279
Filing Date: 2009-10-13
Classification: G06F

Abstract:
1. A grammar update system, comprising: an update original grammar recording part storing grammar data used by a speech interaction system that recognizes speech data using the stored grammar data; a speech newly-recognizing part newly recognizing the speech data using a dictation system that has a recognition precision which is higher than a recognition precision of the speech interaction system, and has a plurality of vocabularies and a plurality of acceptable sentences, instead of using the stored grammar data; a new recognition result determining part determining whether a new recognition result in the speech newly-recognizing part is acceptable using the grammar data; and a grammar adding and updating part, when determined that the new recognition result is unacceptable using the grammar data in the new recognition result determining part, specifies such an unaccepted portion as an update portion and adds the update portion to the grammar data stored in the update original grammar recording part.