Video picture quality degraded when using particle overlays

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Ed71

Senior Member Location: Dorset, United Kingdom Joined: May 17, 2008 14:32 Messages: 207 Offline

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Nov 15, 2011 15:57

Having used star / sparkle (both downloaded from Directorzone) overlays in a recent project noted on the finished result that the picture quality was degraded (video showed signs of going 'stripey' - de-interlaced?)

Tried it two ways

In the produced mini project

and

By adding at the final edit stage before disc production with the same result.

Only solution so far was to remove the particle effect!

If time will do some experiments with the standard set of clips to see if can replicate

Attached are some screen prints with and without; not as clear / bad looking as in 'real life' but do show the difference at the same point of the clip


Filename	With Sparkle.png	Download
Description	With Particle
Filesize	1291 Kbytes
Downloaded:	181 time(s)


Filename	Without Sparkle.png	Download
Description	Without Particle
Filesize	1306 Kbytes
Downloaded:	165 time(s)

This message was edited 2 times. Last update was at Nov 15. 2011 16:16

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PlaySound

Senior Contributor Joined: Dec 02, 2010 10:26 Messages: 2031 Offline

Nov 15, 2011 19:08

I have avoided this error, rederizando video in progressive mode, the problem is for interlaced video source and appears more as a flash or strobe light present.
Render interlaced video to progressive flicker can give, but there are cases which is good, depending on the source