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104
Obtaining a frame-accurate export to tape
using Matrox RS-422 device control
In order to obtain a frame-accurate export to tape when using Matrox RS-422
device control, there are two different settings that you may need to adjust:
• The
dialog box determines when your device starts recording on the tape. If the
recording doesn't start on the tape at your specified In point, you can adjust
this offset so that the recording starts earlier or later.
• The
determines when your sequence starts playing back. Depending on your
system, you may need to adjust this offset so that your sequence starts
playing back earlier or later.
Here's an example of how to calibrate your RS-422 device for frame-accurate
export to tape:
1
Stripe an NTSC tape with continuous and consecutive time code starting at
00:00:00:00.
2
Create a new Matrox NTSC sequence with a bars and tone clip about ten
seconds long containing time code starting at 00:00:00:00. Make sure you
place the clip at the start of your sequence.
¥ Tip You can create a bars and tone clip by right-clicking in the
panel and choosing
the clip by applying a Timecode effect as explained in your Adobe Premiere
Pro documentation.
3
Set up Matrox RS-422 device control with the
(see
4
Export your sequence to tape and set the In point for the recording to
00:00:10:00 and the
Matrox RS-422 device control"
5
When the export to tape is finished, play back your tape and check where the
recording started. For example, if the bars and tone clip started recording at
00:00:09:25 on your tape (five frames before your specified In point), then
you need to set the
started at 00:00:10:05 (five frames after your specified In point), then you
need to set the
6
Make any required adjustment to the
422 Device Control Settings
tape with the In point for the recording set to 00:00:30:00 and the
Offset
7
When the export to tape is finished, go to 00:00:30:00 on your tape (the
recording should have started at that time code), and check which frame
Chapter 7, Defining Your Adobe Premiere Pro Settings
Time Code Offset
in the
Playback Offset
in the
Matrox RS-422 Export to Tape
New Item > Bars and Tone
"Setting up Matrox RS-422 device control"
Playback Offset
Time Code Offset
Time Code Offset
set to 0.
Matrox RS-422 Device Control Settings
. You can add time code to
Time Code Offset
on page 99).
"Exporting to tape using
to 0 (see
on page 101).
to 5. Alternately, if the recording
to -5.
Time Code Offset
dialog box, and perform another export to
dialog box
Project
set to 0
Matrox RS-
in the
Playback
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