Patent · US Active

Techniques to mitigate the effect of blocked sound at microphone arrays in a telepresence device

US9226062B2 · kind B2 · utility

36Cited by

1References

21Claims

0Family size

Assignee

Cisco Technology, Inc. · US

Inventors

Haohai Sun · Sandvika, NO
Espen Moberg · Sandnessjøen, NO
Bjørn Winsvold · Tranby, NO

Key dates

Filing date	Mar 18, 2014
Grant date	Dec 29, 2015
Priority date	—
Expiry date	Jun 17, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/15
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A telepresence video conference endpoint device includes spaced-apart microphone arrays each configured to transduce sound into corresponding sound signals. A processor receives the sound signals from the arrays and determines a direction-of-arrival (DOA) of sound at each array based on the set of sound signals from that array, determines if each array is blocked or unblocked based on the DOA determined for that array, selects an array among the arrays based on whether each array is determined to be blocked or unblocked, and perform subsequent sound processing based on one or more of the sound signals from the selected array.

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