Process of voice recognition in a harsh environment, and device for implementation
First Claim
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1. A process of voice recognition, comprising the steps of:
- performing a coarse recognition of acquired samples, said coarse recognition being based on searching a syntax base,supplying the N best phrases recognized after comparing results of said coarse recognition with stored acoustic references,determining phonetic components of said acquired samples by performing an acoustico-phonetic decoding on said acquired samples,choosing a most appropriate phrase from said N best phrases by comparing said N best phrases with models of probable dialogues and with said phonetic components, andupdating said syntax base as a function of a history of most appropriate phrases chosen in said choosing step.
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Abstract
A process for voice recognition in a harsh environment such as the cockpit of a military aircraft. An acquisition device is connected to an acoustico-phonetic decoding device which is then connected to a recognition supervisor. The acquisition device is also connected to a voice recognition device which is also connected to the recognition supervisor. The voice recognition device is also connected to a dictionary and to a syntax describing device. The syntax describing device is connected to a dialogue model as well as the recognition supervisor.
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20 Claims
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1. A process of voice recognition, comprising the steps of:
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performing a coarse recognition of acquired samples, said coarse recognition being based on searching a syntax base, supplying the N best phrases recognized after comparing results of said coarse recognition with stored acoustic references, determining phonetic components of said acquired samples by performing an acoustico-phonetic decoding on said acquired samples, choosing a most appropriate phrase from said N best phrases by comparing said N best phrases with models of probable dialogues and with said phonetic components, and updating said syntax base as a function of a history of most appropriate phrases chosen in said choosing step. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification