Supplementary media validation system
US9635219B2 · kind B2 · utility
1Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2014 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Jan 24, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4884
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for preparing supplementary media content for coordinated transmission with multimedia content includes accepting the multimedia content including an audio portion, accepting the supplementary media content associated with the multimedia content, and validating the supplementary media content according to the audio portion of the multimedia content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.