Multiple wireless microphone speakerphone system and method
US6987992B2 · kind B2 · utility
22Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2003 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Dec 26, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multiple wireless microphone speakerphone system includes one or more wireless microphones. The wireless microphones accept speech and transmit the speech to receivers, one receiver corresponding to each wireless microphone. Audio processing and acoustic echo cancellation (AEC) are performed on the received speech signals. A signal handling unit generates an audio signal after echo cancellation. The generated audio signal is transmitted to a far end to be played through, for example, a speaker or an ear piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.