Echo cancellation in a portable conferencing device with externally-produced audio
US8290142B1 · kind B1 · utility
38Cited by
24References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2007 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Jul 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M9/082
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are conferencing systems that include a conferencing device and a head-processing system, both including selectively enabled speakers, the conferencing device including an acoustic echo canceler that remains operable in the system regardless of whether its internal speaker is selected to be enabled. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.