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BS-98 1409 VER1 (U) (E)
3.1 HDTV
Format
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Segmented Frame
Segmented frame is a method for converting a progressive video separated for 1 line each into an interlaced video.
It has been described for the sake of convenience, 23.976 is 24 and 47.952 is 48.
Odd Lines
Even Lines
Odd Lines
Even Lines
Segment A
1st Field
1/48 sec
1/24 sec
Segment B
2nd Field
Segment A
1st Field
Frame #1
Frame #2
Segment B
2nd Field
24p
24psF
The feature of the segment frame is that there is no movement in the
fi
rst frame (Segment A) and the second frame (Segment B).
When these two frames are synthesized, one progressive signal can be created.
PsF (Progressive segmented Frame) method has been widely used from the time when the 24P format appeared. That is because
this method enables to create the conventional interlace equipment without making a large difference.
In addition, in recent years, there are more cases that this method is used for the time lapse video effect in television broadcasting,
as the 1080PsF29.97 signals can be used as 1080i59.94, and the 1080PsF25 signals can be used as 1080i50.
Содержание BS-98
Страница 1: ...Base Station BS 98 OPERATION MANUAL Products conforming to RoHS directive ...
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Страница 25: ...2 NAME and FUNCTION ...
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Страница 39: ...3 FORMATS and GENLOCK ...
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