Method for controlling a three-dimensional multi-layer speaker arrangement and apparatus for playing back three-dimensional sound in an audience area
US9674631B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2012 |
| Grant date | Jun 6, 2017 |
| Priority date | — |
| Expiry date | Sep 24, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2420/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for controlling a three-dimensional multi-layer speaker arrangement having a plurality of speakers arranged in spaced layers. The method includes: providing information for a sound to be played back from a 3D source position assigned to the sound, wherein the source position is defined with respect to a reference point (RP) within the multi-layer speaker arrangement, extracting a 2D source position (SPXY) from the source position and calculating layer specific speaker coefficients using a 2D calculator to position the sound two dimensional source position, and feeding a vertical pan or 3D source position into a multilayer calculator for obtaining a layer gain factor for each layer for obtaining speaker coefficients used as individual gains enabling the speakers to play back the sound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.