Multi-channel bass management
US7974417B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Apr 13, 2005 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Feb 18, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multi-channel audio system including first combining circuitry, for combining a first spectral band of a first plurality channels to provide a first bass audio signal stream; second combining circuitry, for combining the first spectral band of a second plurality channels to provide a second bass audio signal stream; and third combining circuitry, for combining a second spectral band, the second spectral band including lower frequencies than the first spectral band, of the first plurality of channels and the second plurality of channels to provide a third bass audio signal stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.