Automatic configuration of metadata for use in mixing audio programs from two encoded bitstreams
US9171549B2 · kind B2 · utility
6Cited by
6References
21Claims
0Family size
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Key dates
| Filing date | Apr 2, 2012 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Sep 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G5/18
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An audio coding system uses mixing metadata to control the attenuation of a main audio program that is subsequently mixed with an associated audio program. The value of the attenuation is calculated by analyzing the estimated loudness of the main and associated audio programs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.