Signal processing apparatus and method for providing 3D sound effect
US9161148B2 · kind B2 · utility
4Cited by
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18Claims
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Key dates
| Filing date | Mar 28, 2012 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Jan 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S3/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A signal processing apparatus and method providing a 3-dimensional (3D) sound effect may determine a mask related to an ambience of an input signal, separate the input signal into a primary signal and an ambience signal using the mask, decorrelate the ambience signal, and sum the decorrelated ambience signal and the primary signal, accordingly generating an output signal to which a sound effect is applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.