Audio signal processing
US7490044B2 · kind B2 · utility
302Cited by
18References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 2004 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Jun 3, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S5/005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed audio signal data. The audio processing includes separating the input signals into frequency bands and processing the frequency bands according to processes which may differ from band to band. The audio processing includes no processing of L−R signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.