Patent · US Active

Detection of acoustic echo cancellation

US10841431B2 · kind B2 · utility

1Cited by

10References

17Claims

0Family size

Assignee

Imagination Technologies Limited · GB

Inventors

Senthil Kumar Mani · Manesar, IN
Srinivas Akella · San Jose, US
Anupama Ghantasala · Hyderabad, IN

Key dates

Filing date	Sep 30, 2015
Grant date	Nov 17, 2020
Priority date	—
Expiry date	Nov 17, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04M9/085
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

An echo cancellation detector for controlling an acoustic echo canceller that is configured to cancel an echo of a far-end signal in a near-end signal in a telephony system, the echo cancellation detector comprising a comparison generator configured to compare the far-end signal with the near-end signal, a decision unit configured to make a determination about a first acoustic echo canceller based on that comparison and a controller configured to control an operation of a second acoustic echo canceller in dependence on the determination.

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