Systems, methods, apparatus, and computer program products for wideband speech coding
US8600737B2 · kind B2 · utility
12Cited by
5References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2011 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Aug 8, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L21/038
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods of audio coding are described in which an excitation signal for a first frequency band of the audio signal is used to calculate an excitation signal for a second frequency band of the audio signal that is separated from the first frequency band.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.