Word hypothesizer based on reliably detected phoneme similarity regions
US5825977A · kind A · utility
21Cited by
34References
23Claims
0Family size
Inventors
Key dates
| Filing date | Sep 8, 1995 |
| Grant date | Oct 20, 1998 |
| Priority date | — |
| Expiry date | Sep 8, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2015/025
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The word hypothesizer reduces the search space for more computationally expensive word recognizers. Each periodic interval of input speech is represented as a vector of phoneme similarity values from which the high similarity regions are selected and parameterized. The hypothesizer computes alignment parameters for each of a plurality of previously stored word prototypes, vis-a-vis the high similarity regions of the input speech utterance. Those word prototypes having the highest recognition scores are selected as word candidates for the fine match recognizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.