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This practice defines a transmission format for conveyance of linear (LTC) or vertical (VITC) time code data formatted according to SMPTE 12M in 8- or 10-bit digital television data interfaces. Time code information is transmitted in the ancillary data space as defined in SMPTE 291M. Multiple codes can be transmitted within a single digital video data stream. Other time information, such as real time clock, DTTR tape timer information, and other user-defined information, may also be carried in the ancillary time code packet instead of time code. The actual information transmitted through the interface is identified by the coding of a distributed binary bit.

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Published:

01/01/1999

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1 file , 32 KB