Patent · US Expired

Speech processing apparatus

US5123048A · kind A · utility

17Cited by
1References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1991
Grant dateJun 16, 1992
Priority date
Expiry dateMar 19, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10L25/18
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The speech signal of one speaker in a plurality of signals of speakers can be isolated and recognized by using non-linear oscillators which lock on the fundamental and harmonic frequencies of the one speaker, whereby extraction of the one speaker's signals and speech recognition is done.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.