Patent · US Active

System for detecting and reducing noise via a microphone array

US7881480B2 · kind B2 · utility

23Cited by

12References

6Claims

0Family size

Assignee

Nuance Communications, Inc. · US

Inventors

Markus Buck · Biberach, DE
Tim Haulick · Blaubeuren, DE

Key dates

Filing date	Mar 17, 2005
Grant date	Feb 1, 2011
Priority date	—
Expiry date	Sep 2, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2430/20
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A system for detecting noise in a signal received by a microphone array and a method for detecting noise in a signal received by a microphone array is disclosed. The system also provides for the reduction of noise in a signal received by a microphone array and a method for reducing noise in a signal received by a microphone array. The signal to noise ratio in handsfree systems may be improved, particularly in handsfree systems present in a vehicular environment.

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