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Interlace issues on CRT television

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Rob Hindley
Interlace issues on CRT television
on Sep 9, 2009 at 9:43:35 pm

I have prepared an ad for our national broadcaster (TVNZ). They require an mpeg2 file to play out. Video looks great (shot XDCam and edited in Apple ProRes 422 in FCP). However the clients logo is a box with white outline on a black background. Played on an HD televison the vertical edges look fine but on the CRT I get quite a bit of wavy distortion.

Is there a quick fix for this?

I guess it is the high contrast between the white and black that freaks the tv out.

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Joseph W. Bourke
Re: Interlace issues on CRT television
on Sep 10, 2009 at 1:12:11 pm

The quick fix is a small amount of blur on the area that's giving you a problem. There's no set amount - it requires experimentation, but it usually works.

Joe Bourke
Creative Director / Multimedia Specialist
B&S Exhibits and Multimedia

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scott novasic
Re: Interlace issues on CRT television
on Sep 10, 2009 at 9:26:13 pm

you can also see if your allowed to 'beef' up the thickness of the stroke itself on the logo. The plug in, among many that helps this, is the 'reduce interlace flicker' plug.

Animation & Visual Effects
Scott Novasic
Los Angeles Ca

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