Speech processing
US6009385A · kind A · utility
5Cited by
5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 9, 1997 |
| Grant date | Dec 28, 1999 |
| Priority date | — |
| Expiry date | Jul 9, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/0216
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A clipped input speech waveform is divided into a plurality of a series of signals by means of a wavelet transform such as the Daubechies wavelet transform, which are then scaled or otherwise processed to reduce the effects of clipping, prior to reconstruction of the speech waveform using the inverse transform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.