Multi-channel surveillance DVR design

How a video encoder can be designed to leverage the extra cycles provided by hardware accelerators.

By Shinjan Tiwary, Engineer in Video Technology Solutions, Ittiam Systems
industrialcontroldesignline.com (August 29, 2008)

Digital video recorders (DVRs) have been used as an integral part of set-top boxes after their launch in CES, 1999. DVRs are primarily time shifting devices, used to record entertainment content like movies and favorite TV shows. If used personally, expectations from such devices are multi-format, real-time encode which could be played later in time or shared with others. If used commercially real-time multi-channel encoding capacity for such a recorder becomes a primary goal, so that the overall BOM (Bill-Of-Materials) can be reduced.

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