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Timecode A User's Guide, 3rd Edition by J. Ratcliff

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Chapter 8Timecode on location

As this edition went to press, the EBU/SMPTE Task Force for Harmonized Standards for the Exchange of Programme Material as Bitstreams issued its final report. It identified the following requirements regarding timing and synchronization:

  1. The reference signal for both digital and analogue signals will be analogue colour black. SMPTE RP154 has been enhanced and is being re-issued as a standard. It will include the option of including VITC, and (for 59.94 and 60 Hz related systems) a sequence of ten field identification pulses to assist with the locking of 24Hz related signals and the five-frame sequence implicit in the relationship with 48k ITz.
  2. Absolute Time Reference for studios should be, where possible, the Global ...

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