Method and device for detecting voice activity
US7003452B1 · kind B1 · utility
12Cited by
12References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2000 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | May 5, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L25/78
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention concerns a method for detecting voice activity in a digital speech signal, in at least a frequency band, for example by means of a detecting automaton whereof the status is controlled on the basis of an energy analysis of the signal. The control of said automaton, or more generally the determination of voice activity, comprises a comparison, in the frequency band, of two different versions of the speech signal one of which at least is a noise-corrected version.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.