107
8-4. GPI Control Sensitivity
8-4-1. 59.94i/50i/24PsF/23.98Psf System
Input a GPI pulse of width 100 ms or more.
When the GPI pulse changes from High to Low 5ms ahead of the external frame sync pulse,
control functions are processed under the following timing.
Control function
Duration from GPI pulse reception to processing
Freeze, Time Code
1 frame
Clean Switch Normal
2 frames
Clean Switch Quick (No Audio Fade)
1 frame
Other functions are processed within 1 frame + 30 ms.
外部同期の
フレームパルス
*1
GPIパルス
Freeze
実行タイミング
*2
1フレーム
59.94i
50i
Freeze On
Clean Switch Normal
実行タイミング
*3
映像B
2フレーム
音声B
Clean Switch Quick
(No Audio Fade)
実行タイミング
*3
映像B
1フレーム
映像A
映像A
音声A
音声B
音声A
Freeze Off
100ms幅以上
5ms以上
1フレーム
:33.37ms
:40.00ms
23.98PsF
24PsF
:41.67ms
:41.71ms
*1
If the external sync pulse input is absent, uses the internally generated frame pulse.
*2
Time Code and Video Test Signal initiation timings are the same as that of Freeze.
*3
The timing of Src.1-10 switching in Direct Mode, Take performance in Take Mode, or
Load performance in Salvo Mode is shown.
External frame
sync pulse *1
1 frame
5 ms or more
100ms or wider
2 frames
Video A
Video B
Audio B
Audio A
1 frame
Video A
Video B
Audio B
Audio A
GPI pulse
Freeze
initiation timing
*2
1 frame
Clean Switch Normal
initiation timing
*3
Clean Switch Quick
(No Audio Fade)
initiation timing
*3