Voice command recognition system having compact significant feature data
US4707857A · kind A · utility
12Cited by
4References
22Claims
0Family size
Inventors
Key dates
| Filing date | Aug 27, 1984 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Aug 27, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L15/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Waveform significant event parameters based on the duration of a first running average of the duration of positive slope portions and a second running average of the duration of negative slope portions of the wave, include occurrences of dwells, creeps, and rapid changes in the values of the running averages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.