Echo processing method and device
US7672446B2 · kind B2 · utility
2Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2004 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Jul 27, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/568
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention concerns a method and device for processing echo between at least two communication devices in order to attenuate, in a picked-up signal of a communication device comprising at least one microphone, the components of the signal broadcasted by at least one other communication device comprising at least one loudspeaker, characterised in that the echo processing device comprises:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.