Methods and apparatus for monitoring compressed bitstreams
US7424160B1 · kind B1 · utility
18Cited by
15References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 28, 2003 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Jun 28, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/44008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and an apparatus for monitoring compressed bitstreams are disclosed. The disclosed methods and apparatus receive an encoded signal including encoded video frames and determine if video represented by the encoded video frames is frozen or blacked out based on a comparison of sizes of the encoded frames.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.