Patent · US Active

Method for determining a set of filter coefficients for an acoustic echo compensator

US9264805B2 · kind B2 · utility

36Cited by

7References

20Claims

0Family size

Assignee

Nuance Communications, Inc. · US

Inventors

Markus Buck · Biberach, DE
Gerhard Uwe Schmidt · Ulm, DE
Tobias Wolff · Neu-Ulm, DE

Key dates

Filing date	Jun 25, 2014
Grant date	Feb 16, 2016
Priority date	—
Expiry date	Sep 10, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2430/20
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Methods and apparatus for beamforming and performing echo compensation for the beamformed signal with an echo canceller including calculating a set of filter coefficients as an estimate for a new steering direction without a complete adaptation of the echo canceller.

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