Multichannel surround format conversion and generalized upmix
US9014377B2 · kind B2 · utility
19Cited by
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14Claims
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Key dates
| Filing date | Mar 13, 2008 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Aug 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S3/008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An audio signal is processed in the frequency domain to convert an input signal format to an output signal format. That is, a multichannel audio signal intended for playback over a predefined speaker layout can be formatted to achieve spatial reproduction over a different layout comprising a different number of speakers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.