Speech processing apparatus and methods
US5142585A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1991 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Dec 20, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L15/065
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Speech processing apparatus has a store containing a reference vocabulary of words and carries out active word selection in accordance with mode data supplied to the apparatus. After this, the apparatus performs dynamic template adaptation in dependence on the output of a sensor that monitors environmental influences on the speaker of the kind that modify speech sounds made by the speaker. The sensor may be responsive to vibration or acceleration forces on the speaker, the apparatus using information about how vowel and consonant groupings are influenced by forces on the speaker to perform the template adaptation. Pattern matching is used to compare the speech sounds of the speaker with the modified signals after template adaptation to identify the most likely word spoken.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.