Voice activity detector and method
US8374851B2 · kind B2 · utility
9Cited by
18References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2007 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Oct 7, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M9/082
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Acoustic echo control for hands-free phone has acoustic echo cancellation and echo suppression with a voice activity detection for the echo suppression based on near-end input power together with an estimate for acoustic echo cancellation gain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.