3025SW Master Control Switching & Channel Branding
Revision 1.0 Page 43
expected time with respect to the transition start and the video will start one field
(interlaced frame/progressive frame) later. The duration of the video and audio
transitions will not be affected, i.e. if the duration is 12 frames then the duration of
both video and audio transition will be 12 frames.
ODD FIELD
EVEN FIELD
ODD FIELDEVEN FIELD
FRAME
FRAME
AUDIO TRANSITION
STARTS HERE
VIDEO TRANSITION
STARTS HERE
TX START RECEIVED
DURING FIRST 13mS
OF THE FRAME
VIDEO
M2100
AUDIO
Figure 4-9: Video Transition Offset 1
If the Video Transition Offset is -1, the video transition starts with the expected
timing with respect to the start of the transition and the audio transition start one
field later.
ODD FIELD
EVEN FIELD
ODD FIELDEVEN FIELD
FRAME
FRAME
AUDIO TRANSITION
STARTS HERE
VIDEO TRANSITION
STARTS HERE
TX START RECEIVED
DURING FIRST 13mS
OF THE FRAME
VIDEO
M2100
AUDIO
Figure 4-10: Video Transition Offset -1
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