Method and apparatus for speech recognition using domain ontology
US8504359B2 · kind B2 · utility
3Cited by
1References
14Claims
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Key dates
| Filing date | Sep 1, 2009 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | May 30, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L15/183
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A speech recognition method using a domain ontology includes: constructing domain ontology DB; forming a speech recognition grammar using the formed domain ontology DB; extracting a feature vector from a speech signal; modeling the speech signal using an acoustic model. The method performs speech recognition by using the acoustic model, the speech recognition dictionary and the speech recognition grammar on the basis of the feature vector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.