Speech recognition system having parallel large vocabulary recognition engines
US6526380B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1999 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Aug 9, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2015/228
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A huge vocabulary speech recognition system for recognizing a sequence of spoken words, having an input means for receiving a time-sequential input pattern representative of the sequence of spoken words. The system further includes a plurality of large vocabulary speech recognizers each being associated with a respective, different large vocabulary recognition model. Each of the recognition models is targeted to a specific part of the huge vocabulary. The system comprises a controller operative to direct the input pattern to a plurality of the speech recognizers and to select a recognized word sequence from the word sequences recognized by the plurality of speech recognizers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.