Tag Archives: Quicktime Pro

Working with Quartz compositions in Modul8

By Udart | Published: 28 October, 2009
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 [...]
Posted in Cool stuff | Also tagged , | 2 Comments

Quartz Composer performance in Modul8

By Udart | Published: 28 October, 2009
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 [...]
Posted in Tips and tutorials | Also tagged , | 1 Comment

Rendering Quartz Composer compositions

By Udart | Published: 25 February, 2009
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 | 2 Comments

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  • About Udart

    Udart (aka. Vibeke Bertelsen) is a visual artist based in Copenhagen who specializes in motion graphics and video projections for live music and other events. I use my own video and animation productions and mix them on the spot at the performance. Contact me on