If you have selected either (SD/)HD 25/50Hz or (SD/)HD 29.97/59.94Hz, the
encoding parameters available include separate selections of GOP Length for the
lower frame rate and for the higher frame rate. When the AVP 4000 automatically
configures the encoding based on the detected input, the appropriate GOP Length
will be used.
There are parameters that only applies to SD or HD video only. When auto input
detection is set to SD/HD 25/50Hz or SD/HD 29.97/59.94Hz then the user is
expected to enter two parameters: one for the SD video and one for the HD video.
When input detection is set to SD/HD 25/50Hz, the user needs to select separate
Teletext sources to be used when input video is detected as SD or HD.
Figure 3.54 Aspect Ratio Common Settings
When input detection is set to SD/HD 29.97/59.94Hz, the user needs to select
separate closed caption sources to be used when input video is detected as SD or
HD.
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