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controlling moire in clips
What’s the best way to lessen the moire effect that happens in clips when there’s a pan across something with lines such as books on a shelf or clapboard lines on a house?
Also–when viewing an avi clip (either exported from AE or PPro, or just captured in PPro) on Windows Media Player, it seems that there are often visual artifacts, jaggies and/or less than good sound–is this something other people have noticed, and, if so, does anyone know why?
Thanks a lot!
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2 Replies
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The effect you’re seeing is almost certainly camera related. The jaggies are are result of a small CCD sensor as fitted to most consumer grade cameras. This is far less evident in broadcast cameras that use 3 x 2/3″ CCDs. It is simply a case of needing more pixels to be able to ‘describe’ a diagonal line cleanly.
There isn’t anything in PPro that would affect audio as you describe. Again this could be down to the camera.
If you are viewing the image on an LCD monitor rather than CRT you will see line tearing at times due to the low refresh rate of these displays. This is even worse in the UK with 60Hz LCD panels being fed with a 50Hz signal. Again this isn’t Premier causing the problem.
Do you have a colleague who could lend you a camera to try similar shots with and capture to your computer using this camera rather than your own?
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Try adding flicker removal on the offending clip…right click on the clip in the timeline and choose Field Options>Flicker Removal.
Video targeted for PC playback should be exported as deinterlaced.
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