Sony BKDF- 702, 702P 1-61, Control From the BVE-600 A/B Roll Editing, Signal flow, DFS-700/700P

DFS-700/700P

Chapter 5 Control From Editing Control Units

Control From the BVE-600

A/B Roll Editing

Signal flow

Player VCR A		Recorder VCR
Background bus	VIDEO DFS-700/700P
video	INPUT
		PGM OUT
Foreground bus	VIDEO
Player VCR B video	INPUT
	T1 signal	T2 signal

Control signal

Control signal

Control signal

BVE-600

Note

To improve editing accuracy, supply a reference sync signal to the BVE-600 and VCRs from the BLACK BURST OUT connectors on the DFS-700/700P.

Signal flow in A/B roll editing

Timing of the trigger (T1/T2) signals

The timing of the trigger signals output by the BVE-600 is as follows.

VCRs start	IN point	Effect start point	OUT point VCRs stop
Player A
Player B
Recorder
T1
T2
PGM OUT	Background bus image		Foreground bus image
signal
Preroll		Effect	Postroll
		execution
		(transition)
		A-roll period	B-roll period

Timing of trigger signals in A/B roll editing

Chapter 5 Control From Editing

Control Units

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Chapter 5 Control From Editing Control Units 5-7