Patent · US Expired

Speech processing apparatus and method

US6711536B2 · kind B2 · utility

34Cited by
19References
92Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 30, 1999
Grant dateMar 23, 2004
Priority date
Expiry dateSep 30, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10L15/04
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus is provided for detecting the presence of speech within an input speech signal. Speech is detected by treating the average frame energy of an input speech signal as a sampled signal and looking for modulations within the sampled signal that are characteristic of speech.

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