Interactive video distribution systems – Use surveying or monitoring – By passively monitoring receiver operation
Reexamination Certificate
2000-06-23
2009-11-10
Saltarelli, Dominic D (Department: 2421)
Interactive video distribution systems
Use surveying or monitoring
By passively monitoring receiver operation
C725S020000, C370S241000
Reexamination Certificate
active
07617509
ABSTRACT:
Method and system aspects provide for automated monitoring of quality of service of digital video material being distributed and played. The aspects include embedding a signature in each frame of the digital video material by a program source device control. Computation of play-out statistics for the digital video material based on the signature by a program play-out device control is also included.
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Brunheroto Jose R.
Hsiao Eric
Lee Peter S.
Schaffa Frank A.
International Business Machines - Corporation
Saltarelli Dominic D
Sawyer Law Group P.C.
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