Method for enhancing the quality of coded speech
US4852169A · kind A · utility
19Cited by
4References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1986 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Dec 16, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L21/0364
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A comb filter minimizes framing noise resulting from block encoding of speech. The comb filter has both pitch and coefficients adapted to the speech data. Block boundaries may be centered on filter segments of a fixed duration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.