Method and apparatus for providing signatures of audio/video signals and for making use thereof
US8860883B2 · kind B2 · utility
0Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2009 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Apr 25, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N17/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus are disclosed for providing a video signature representative of a content of a video signal. A method and apparatus are further disclosed for providing an audio signature representative of a content of an audio signal. A method and apparatus for detecting lip sync are further disclosed and take advantage of the method and apparatus disclosed for providing a video signature and an audio signature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.