Automatic speech recognition system using seed templates
US4994983A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | May 2, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L15/063
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An automatic speech recognition system has a multi-mode training capability using a set of previously stored templates of a limited number of predetermined seed words to train the templates for a vocabulary of words. The training speech samples each includes a vocabulary word juxtaposed with a seed word. An averager module maintains an active average template for each of the word units of the training speech samples including the seed word units, and the active average templates are used to continuously update the seed template set as they are used in the training speech samples. The preferred training procedure employs training phrases each having a vocabulary word embedded between two seed words, and two seed template sets are used in succession, the first being composed of single-digit words, and the second composed of carrier words.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.