Patent · US Expired

System for communication enhancement in a noisy environment

US7643641B2 · kind B2 · utility

17Cited by

8References

13Claims

0Family size

Assignee

Nuance Communications, Inc. · US

Inventors

Tim Haulick · Blaubeuren, DE
Gerhard Uwe Schmidt · Ulm, DE

Key dates

Filing date	May 10, 2004
Grant date	Jan 5, 2010
Priority date	—
Expiry date	Jun 7, 2025

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/13
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

The invention is directed to a method comprising receiving input signals emanating from at least two microphone arrays each comprising at least two microphones, processing the input signals of each microphone array by a beamformer to determine temporal and spatial information about the input signals of each microphone array.

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