Voice detection
US5638436A · kind A · utility
36Cited by
15References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1995 |
| Grant date | Jun 10, 1997 |
| Priority date | — |
| Expiry date | Aug 22, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/82
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a voice processing system, a voice detection algorithm is disclosed wherein the sensitivity is adjusted based upon whether or not tones (e.g.; DTMF) are presently being received. In an additional embodiment, the adjustment is made only when the voice processing system is in a predetermined mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.