EVS IPDirector Version 5.9 - January 2011 Part 8 User’s Manual - Manual (Page 207)

IPDirector Version 5.9 – User Manual – Part 8: Editing - IPEdit
EVS Broadcast Equipment – January 2011
Issue 5.9.B
193
P
RE
-R
OLL AND
P
OST
-R
OLL
Introduction
A pre-roll of minimum 1 second can be defined, for example, to allow the user to
listen to the content of the timeline before starting its voice-over.
A post-roll of minimum 2 seconds is defined to allow the Replace process to be
finalized and the replaced part to be made available in the timeline.
In a replace process, the timeline will be played including the pre-roll and post-roll
but only the part of the timeline between the mark IN and the mark OUT will be
replaced in the timeline.
Defining a Pre-Roll and Post-Roll
To define a pre-roll and post-roll other than the default values, you first have to
click in the field to activate it.
Then, you can do one of the following actions before clicking Apply to validate the
changes:
• Type the whole pre-roll duration with the zeros that should precede the actual
value.
• Click again at the exact position and type directly the value for the pre-roll
duration leaving the zeros on the left.
V
IDEO
/A
UDIO
D
ELAY
C
OMPENSATION
Introduction
When the external devices add a delay to process the A/V material, you can
compensate this delay by entering a delay compensation equivalent to the delay
brought about by the external device. You specify this delay compensation in the
Video/Audio Delay Compensation group box.
A delay can be entered individually for the audio or video material to take into
account a different delay generated by the audio device or by the video device.