发明名称 |
Multimedia test systems |
摘要 |
A system for monitoring the quality of DRM-protected multimedia data streams, the system comprising at least one computer having a network connection to receive at least one said DRM-protected multimedia data stream, program memory, working memory, and a processor coupled to said program memory, working memory, and wherein said program memory stores processor control code for a media player for said multimedia data stream and code to control said processor to: play said DRM-protected multimedia data stream to provide at least a decrypted video data output stream for display on a monitor; capture still image data from a succession of still images from said video data output stream; process said still image data to detect greater than a threshold difference between at least two of said still images; and output fault data identifying a potential video quality fault responsive to absence of detection of said greater than a threshold difference. |
申请公布号 |
US8839282(B2) |
申请公布日期 |
2014.09.16 |
申请号 |
US201113081929 |
申请日期 |
2011.04.07 |
申请人 |
Level 3 Communications, LLC |
发明人 |
Kosciewicz Pawel |
分类号 |
H04N7/16;H04N17/00;H04N17/02;H04N19/139;H04N1/00;H04N19/51;H04N7/167;G06K9/03 |
主分类号 |
H04N7/16 |
代理机构 |
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代理人 |
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主权项 |
1. A system for monitoring the quality of DRM-protected multimedia data streams, the system comprising at least one computer having a network connection to receive at least one said DRM-protected multimedia data stream, program memory, working memory, and a processor coupled to said program memory, working memory, wherein said program memory stores processor control code for a media player for said multimedia data stream and code to control said processor to:
play said DRM-protected multimedia data stream to provide at least a decrypted video data output stream for display on a monitor; capture still image data from a succession of still images from said video data output stream; process said still image data to detect greater than a threshold difference between at least two of said still images; and output fault data identifying a potential video quality fault responsive to absence of detection of greater than a threshold difference. |
地址 |
Broomfield CO US |