Tag Archives: Quicktime Pro

Working with Quartz compositions in Modul8

In Modul8 you’re able to play Quartz compositions (.qtz files) just by dragging them into your media bank like any other movie. However there are a number of problems with this approach: No 1. Performance. I have done tests and often there is a severe drop in framerate for qtz files in Modul8 compared to the [...]
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Quartz Composer performance in Modul8

I’ve been doing some testing and it’s my impression that you get a much better performance in Modul8 if you convert your .qtz files to .mov before importing them to Modul8. This can be done by following the steps described in this article: Working with Quartz Compositions in Modul8 I don’t know the reason for this [...]
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Rendering Quartz Composer compositions

If you have made a Quartz composition you might sometimes want to render it out frame by frame to another format. Here is the way that I found to get the best quality: 1. You need a Quicktime Pro license, which is a paid upgrade to the free Quicktime Player. Get it – it’s useful [...]
Posted in Tips and tutorials | Also tagged | 9 Comments
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    Vibeke Bertelsen is a visual artist based in Copenhagen who specializes in motion graphics and video projections for live music and other events. Per 2010 I am a part of the group called Obscura working full time doing large scale visuals and video installations. Contact me on