Method and apparatus for voice recognition
OwnerChienchung Chang, Narendranath Malayathinventors
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Abstract
A voice recognition system applies user inputs to adapt speaker-dependent voice recognition templates using implicit user confirmation during a transaction. In one embodiment, the user confirms the vocabulary word to complete at transaction, such as entry of a password, and in response a template database is updated. User utterances are used to generate test templates that are compared to the template database. Scores are generated for each test template and a winner selected. The template database includes one set of speaker independent templates and two sets of speaker dependent templates.
Claims22
A voice recognition system comprising:
- a speech processor operative to receive an analog speech signal and generate a digital signal;
- a database operative to store voice recognition templates;
- and
- a memory storage unit coupled to the speech processor and the database, the memory storage unit operative to store the digital signal, the memory storage unit operative to update the voice recognition templates based on the digital signal and an implicit user confirmation.
A method for voice recognition in a wireless communication device, the device having a voice recognition template database, the device adapted to receive speech inputs from a user, comprising:
- calculating a test template based on a test utterance;
- matching the test template to a voice recognition template in the database, the voice recognition template having an associated vocabulary word;
- providing the vocabulary word as feedback;
- receiving an implicit user confirmation from a user;
- and
- updating the database in response to the implicit user confirmation.
A wireless apparatus, comprising:
- a speech processor operative to receive an analog speech signal and generate a digital signal;
- a database operative to store voice recognition templates;
- a memory storage unit coupled to the speech processor and the database, the memory storage unit operative to store the digital signal, the memory storage unit operative to update the voice recognition templates based on the digital signal and an implicit user confirmation;
- a template matching unit coupled to the speech processor, the database, and the template matching unit, operative to compare the digital signals to the voice recognition templates and generating scores;
- and
- a selector coupled to the template matching unit and the database, the selector operative to select among the scores.
A handwriting recognition system comprising:
- a handwriting processor operative to receive an analog input handwriting signal and generate a digital signal;
- a database operative to store handwriting recognition templates;
- and
- a memory storage unit coupled to the handwriting processor and the database, the memory storage unit operative to store the digital signal, the memory storage unit operative to update the handwriting recognition templates based on the digital signal and an implicit user confirmation.
Dependencies are inferred from the claim text.