Timecode A User's Guide, 3rd Edition

Chapter 7Working with timecode

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 24 Hz related signals and the five-frame sequence implicit in the relationship with 48k Hz.
2. Absolute Time Reference for studios should be, where possible, the Global ...