Patent · US Active

Methods and apparatus for robust speaker activity detection

US9767826B2 · kind B2 · utility

4Cited by

0References

17Claims

0Family size

Assignee

Nuance Communications, Inc. · US

Inventors

Timo Matheja · Ulm, DE
Tobias Herbig · Ulm, DE
Markus Buck · Biberach, DE

Key dates

Filing date	Sep 27, 2013
Grant date	Sep 19, 2017
Priority date	—
Expiry date	Sep 27, 2033

Classification

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

Abstract

Method and apparatus to determine a speaker activity detection measure from energy-based characteristics of signals from a plurality of speaker-dedicated microphones, detect acoustic events using power spectra for the microphone signals, and determine a robust speaker activity detection measure from the speaker activity measure and the detected acoustic events.

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