Quartz Composer is a visual programming language for processing audio and visual data.

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How do I tell OS X that an arbitrary controller is a MIDI device?

I own a Novation Twitch, and Novation has released a "MIDI Programming guide". Tonight, I've been working on some Quartz Composer based visualizations, and naturally I wanted to add a component of ...
3
votes
1answer
59 views

Is it possible to record audio-responsive Quartz compositions along with the audio?

I would like to build simple Quartz compositions that respond in real time to audio. Once I've done that, how can I record both the audio and video into a single video file for upload to youtube? I ...