Patent · US Active

Speech recognition

US10356533B2 · kind B2 · utility

1Cited by
13References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 2016
Grant dateJul 16, 2019
Priority date
Expiry dateApr 11, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2201/003
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An optical microphone arrangement comprises: an array of optical microphones (4) on a substrate (8), each of said optical microphones FIG. 2 (4) providing a signal indicative of displacement of a respective membrane (24) as a result of an incoming audible sound; at first processor (12) arranged to receive said signals from said optical microphones (4) and to perform a first processing step on said signals to produce a first output; and a second processor (14) arranged to receive at least one of said signals or said first output; wherein at least said second processor (14) determines presence of at least one element of human speech from said audible sound.

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