Apparatus and method for driving loudspeakers of a sound system in a vehicle
US9578438B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2013 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Aug 17, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2420/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and a method for driving loudspeakers of a sound system in a vehicle, the system having at least two loudspeakers of a basic system, and a plurality of loudspeakers of a focus system wherein each of the loudspeakers has a position in an environment. The apparatus includes a basic channel provider for providing basic system audio channels for driving the loudspeakers of the basic system and a focused source renderer for providing focus system audio channels to drive the loudspeakers of the focus system. The focused source renderer is configured to calculate a plurality of filter values for the loudspeakers of the focus system based on the positions of the loudspeakers of the focus system and based on a position of a focus point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.