GRAMMAR ADAPTATION THROUGH COOPERATIVE CLIENT AND SERVER BASED SPEECH RECOGNITION
First Claim
Patent Images
1. A method for grammar adaptation, comprising:
- selecting a first speech grammar for use in a first speech recognition system;
attempting a first recognition of a spoken utterance using the first speech grammar;
based on an unsuccessful recognition, consulting a second speech recognition system using a second speech grammar; and
sending a correct recognition result for the first recognition and a portion of a speech grammar from the second speech recognition system to the first speech recognition system for updating the first recognition system and the first speech grammar,wherein the first speech recognition system adapts a recognition of one or more spoken utterances in view of the first recognition and the portion of a speech grammar provided by the second recognition system.
1 Assignment
0 Petitions
Accused Products
Abstract
A system (200) and method (300) for grammar adaptation is provided. The method can include attempting a first recognition of a spoken utterance (304) using a first speech grammar (204), consulting (308) a second speech grammar (224) based on a recognition failure, and receiving a correct recognition result (310) and a portion of a speech grammar for updating (312) the first speech grammar. The first speech grammar can be incrementally updated, or expanded, to broaden grammar coverage for adapting to a user'"'"'s vocabulary and grammar over time.
344 Citations
24 Claims
-
1. A method for grammar adaptation, comprising:
-
selecting a first speech grammar for use in a first speech recognition system; attempting a first recognition of a spoken utterance using the first speech grammar; based on an unsuccessful recognition, consulting a second speech recognition system using a second speech grammar; and sending a correct recognition result for the first recognition and a portion of a speech grammar from the second speech recognition system to the first speech recognition system for updating the first recognition system and the first speech grammar, wherein the first speech recognition system adapts a recognition of one or more spoken utterances in view of the first recognition and the portion of a speech grammar provided by the second recognition system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A system for grammar adaptation, comprising:
-
a mobile device comprising; a first speech grammar having a local dictionary; a first speech recognition system for attempting a first recognition of a spoken utterance using said first speech grammar; and a processor for sending the spoken utterance to a server in response to a recognition failure and for receiving a recognition result of the first recognition and at least a portion of a speech grammar from the server for updating the first recognition and the first speech grammar, wherein the speech recognition system adapts the recognition of one or more spoken utterances in view of the recognition result and updated speech grammar. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A method of adapting a speech grammar for voice dictation, comprising:
-
receiving a dictation from a user, wherein the dictation includes one or more words from the user'"'"'s vocabulary; identifying one or more unrecognized words of the dictation in an application context of a first speech grammar using a first speech recognition system having a dictionary and a language model; sending at least a portion of the dictation containing the unrecognized words to a second speech recognition system for recognizing the dictation; receiving a recognition result string with one or more dictionary entries and a language model update for one or more words in the result string; modifying the dictation with the recognition result string; and adding the one or more words to the dictionary and the language model, wherein the dictionary is modified to adapt to the user'"'"'s vocabulary. - View Dependent Claims (22, 23, 24)
-
Specification