Author Archives: Udart

New music video for Nattefrost

The Danish act Nattefrost have asked me to create a music video for one of his latest tracks. Instead of just copying the visuals I use when performing with him live I decided to try and do something else. I came up with this idea of filming miniature projections. Have a look. The track is taken [...]
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Developing visuals synced to a music composition

Recently I have had the pleasure of working with Linda Edsjö a classically trained percussionist and composer Simon Christensen in developing visuals for a piece of modern compositional music. The project was unusual for me as we decided to try to connect the visuals computer with the computer that was running the musical backing track. [...]
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Video on walls

At live concerts video projectors will typically point to the stage and video will light up behind the band. The challenge is to enhance the message or mood of the music without obstructing the listening experience. But at this installation I made for the local Stairway Festival the projectors pointed to the side walls of [...]
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Modul8 quick tip: Keep track of your files with links

All users of Modul8 encounter the problem of keeping track of files in their projects I suppose. Sometimes you want to reuse media in new projects without creating extra copies of them and thereby cluttering your hard drive. Still you want the media collected in the same folder as the project in order to not [...]
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Projection mapping on the rise

As visualists have noticed already and known for some time now, projection mapping is cool. And now it seems that this technique is going mainstrem in a big way as it is beginning to be used more and more in commercial contexts. In my city I am noticing more and more outdoor video projections – [...]
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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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First impressions of Arkaos GrandVJ 1.2 beta

Arkaos is out with a new beta for version 1.2 of their GrandVJ application and that prompted me to check out their software. Especially since they promise support for native Quartz Composer files. The new beta is out for both Mac and Windows. grab it here: http://www.arkaos.net/forum/viewtopic.php?f=26&t=6828 So now I have the beta and since I am [...]
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Organizing your images and movies with Adobe Bridge

This is a short demonstration of how to use Adobe Bridge for quickly browsing through all your images and movies and adding selected items to Modul8 or another VJ application. Now I know that everybody has their own workflow and preferences when organizing their files but you might find this tip useful if you ever find [...]
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A couple of pics from my current project

My current project is an experimantal short film. I had the idea one day looking at an orchid in the window sill. I have used no post processing tricks just the plant and some visuals beamed onto it with the video projector. The visuals were made with eMotion,  the QC patch Soundflower and a particle [...]
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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