Method for correcting metadata affecting the playback loudness of audio information
US8032385B2 · kind B2 · utility
29Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2009 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | Jan 28, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L25/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A coded signal conveys encoded audio information and metadata that may be used to control the loudness of the audio information during its playback. If the values for these metadata parameters are set incorrectly, annoying fluctuations in loudness during playback can result. The present invention overcomes this problem by detecting incorrect metadata parameter values in the signal and replacing the incorrect values with corrected values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.