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About This Item
This standard defines the specification of a 4-byte payload identifier which may be added to digital interfaces for the purpose of identifying the video payload. The payload identifier is intended for application to existing and future digital interfaces. The standard defines how the payload identifier is placed into an ancillary data packet according to SMPTE 291M. It specifies the sample position, line number(s), and repetition rate of the ancillary data packet for different digital interfaces.