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Strange lines at the bottom of screen when using CC filter

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Jennifer Jones
Strange lines at the bottom of screen when using CC filter
on Jan 30, 2011 at 5:04:10 pm

Hi everyone -

I just went through the IO threads to see if anyone else has has had this problem, but I wasn't able to find anything, so here goes.

We have an HD sequence that's being monitored through the IOHD. We have an occasional clip that has a Color Corrector effect on it that doesn't display properly when playing real time. The rest of the clips (with no effects) display perfectly.

Specifically, when we play down the sequence, the IOHD displays the clips with the CC effect on them with "lines" on the bottom, and the image squished on the top. (See the picture below):



When we are parked on the clip, it looks fine (no lines). However when we're playing down the timeline, we see the lines. Also, when we bypass the IOHD and just monitor it on the computer, it displays fine (no lines).

This leaves us believing it's a setting in the IOHD Control Panel that we need to change, however we've been unsuccessful in finding out what that setting might be(?)

Here are the specs of our sequence, setup, etc:

COMPUTER / SOFTWARE:
Mac 10.6.4 2X2.8 GH Quad Core Intel 8G memory
FCP 6.0.5
Sequence: 1920X1080 23.98 Apple ProRes 422
IO: IOHD
Effect: Color Corrector

AJA CONTROL PANEL SETTINGS:
1. Inputs: SDI 1 Component SMPTE / EBU N10,
2. Format: 1080p 23.98 - we set it to this, but it pops back to: 1080i 29.97) (Conversion Letterbox, Up Anamorphic, SD to SD Off)
3. Analog Out: Prinary and Secondary 1080i27.97, Analog Format: Component SMPTE / EBU N10
4. HDMI: Video Lock; no Video, Imput Video Range: SMPTE Range
HDMI Out: Primary, 1080i29.97, Color Space RGB 8Bit, Output Video Range: SMPTE Range
5. Control IOHD Current, IOHD Display: Primary and Secondary, Genlock Freerun
6. SetupL Frame Rates (all checked) Geometries (none checked)

Thanks in advance for any insight anyone might have with regards to this issue - It's much appreciated!
- Jennifer


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