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Archive for the 'Tutorial' Category

BPM Tapper and Midi Clock composition

Posted by roger on March 14th, 2006

Here is my skeleton Composition that has both a tap function generator and a midi clock input and lets you swap between them on the fly.

AVSync: The building blocks

Posted by roger on March 8th, 2006

I have a long term goal to link up Ableton Live, Quartz Composer, my Edirol V4 video mixer and Grid Pro to form a synchronised AV Set, both for DJ Sets performed using Ableton Live and for collaboration with music producers. This is going to be a complicated and involved task but I’ve made [...]

It’s not obvious how to change the speed of a Quicktime playing in Quartz Composer and it’s even harder to smoothly change speed to allow “video scratching” style effects.