Method and apparatus for reducing acoustic feedback from a speaker to a microphone in a communication device
US9628910B2 · kind B2 · utility
6Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2015 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Jul 21, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus to reduce acoustic feedback from a speaker to a microphone in a communication device. An audio signal can be reproduced by an apparatus. An audible signal of at least one near-end user can be voice activity detected at the apparatus. At least one audio output channel of multiple audio output channels can be operated on to attenuate acoustic pressure representative of the audio signal near at least one microphone aperture location when the audible signal of the at least one near-end user is detected at the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.