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Recording In 24p (23.98p) Mode; Playback In 24p (23.98p) 2-3 Pulldown Mode - Sony PDW-F70 Operating Instructions Manual

Sony operating instructions dvd player pdw-f70.
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Timecode display
Type
23.98PsF
LTC display
24-frame timecode
PDT display
VITC display
24-frame timecode
COUNTER display 24-frame signals
Timecode in remote timecode mode
Type
23.98PsF
9-pin preset
24-frame timecode
timecode
9-pin preset
24-frame signals
timer 1 (Counter)
9-pin scene
24-frame timecode
timecode
9-pin scene
24-frame signals
timer 1 (Counter)
See the optional "9pin Manual 'PDW Series PROTOCOL
OF REMOTE(9-pin) CONNECTOR'" for more
information about remote timecode mode.

Recording in 24P (23.98P) Mode

Recording frame sequence and clip length
See the following figure for the frame sequence.
In 24P (23.98P) mode, recording start and stop timing is
adjusted so that a recorded sequence always begins with an
"A-frame" and ends with a "D-frame". As a result, the
number of frames in a clip is always a multiple of 4.
24P Video
Frame Count
TC (24F)
Frame Seqence
60i Pulldown Video
TC (30F)
Timecode during playback of pulldown
signals
During playback of pulldown signals, timecode is
2-3 PULL DOWN
30-frame timecode
after pulldown
conversion
30-frame signals
after pulldown
conversion
2-3 PULL DOWN
30-frame signals
after pulldown
conversion
30-frame timecode
after pulldown
conversion
30-frame signals
after pulldown
conversion
Timecode
conversion
24P: 1frame
reference
n-2
n-1
00:59:59:22
00:59:59:23
01:00:00:00
C-frame
D-frame
60i: 1frame
09:59:59:28 09:59:59:29 10:00:00:00
Recording timecode
When you preset timecode manually, select a multiple of 4
as the number of frames in the timecode, and adjust so that
the preset timing begins with an "A-frame".
The unit will then adjust so that the timecode at the start of
recorded clips will have a number of frames that is a
multiple of 4.
Notes
• The above adjustments are not carried out when you
preset timecode remotely.
• No adjustments are made when you record external
timecode. Therefore the number of frames in the
timecode at the start of recorded clips may not have a
number of frames that is a multiple of 4. If you want to
make sure that the number of frames in the timecode of
the first frames of recorded clips is a multiple of 4, set the
run mode to "REC RUN", and record after manually
presetting the timecode.
Playback in 24P (23.98P) 2-3
Pulldown Mode
Pulldown playback frame sequences
During pulldown mode playback, playback is carried out
so that the 24-frame timecode set with TIME CODE >PD
PRESET in the setup menu becomes the "A-frame" of the
frame sequence. The following figure shows the playback
frame sequence when 01:00:00:00 has been set for the 24-
frame timecode and 10:00:00:00 has been set for the 30-
frame timecode.
Note
This kind of frame sequence adjustment is not carried out
for clip list playback.
n
n+1
01:00:00:01
01:00:00:02
A-frame
B-frame
C-frame
10:00:00:01
10:00:00:02
converted to 30 frames to match the 59.94i video output
signals.
n+2
n+3
n+4
01:00:00:03
01:00:00:04
D-frame
A-frame
10:00:00:03 10:00:00:04 10:00:00:05
24P (23.98P) Mode Settings
35

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