Converting M channels of digital audio data into N channels of digital audio data
US7505825B2 · kind B2 · utility
33Cited by
16References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2005 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Apr 4, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2020/10546
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Audio data having M channels includes a header with metadata specifying a conversion function for converting the M channels of digital audio data into N channels of data. The metadata is a string of coefficients, which may be specified by the content author, to define to conversion of the M channels of digital audio data into N channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.