Pitch adaptive equalization for improved audio
US7383175B2 · kind B2 · utility
2Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2003 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Dec 1, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L19/26
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A pitch adaptive circuit (200) includes an equalizer control circuit (206) that evaluates the pitch of the speech signals that are being processed and depending on the pitch information, the equalizer control circuit (206) selects an equalizer (208, 210) to shape the decoded speech signals. By selecting the best equalizer (208 or 210) to use based on the pitch information, improvements in audio quality are provided automatically without user intervention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.