Digital speech coder
US4472832A · kind A · utility
70Cited by
6References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1981 |
| Grant date | Sep 18, 1984 |
| Priority date | — |
| Expiry date | Dec 1, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An improved speech analysis and synthesis system wherein LPC parameters and a modified residual signal for excitation is transmitted: the excitation signal is the cross correlation of the residual signal and the LPC-recreated original signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.