Patent · US Expired

Speech recognition system having parallel large vocabulary recognition engines

US6526380B1 · kind B1 · utility

161Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 1999
Grant dateFeb 25, 2003
Priority date
Expiry dateAug 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.