[Milkymist-devel] autoVJ ?

Jon Phillips jon at fabricatorz.com
Fri Dec 2 08:21:28 EST 2011

Great we should start a page on the qi wiki and flesh it out.

jon at fabricatorz.com
On Nov 1, 2011 6:44 PM, "Werner Almesberger" <werner at almesberger.net> wrote:

> I'm wondering if we should perhaps call M1's ability to generate
> nice-looking effects on its own an "autoVJ" feature, much like an
> autopilot assists pilots and handles boring routine tasks for them,
> but doesn't replace them.
> For example, for this video, I set up the controls such that the
> pattern was near a "tipping point" (*) (setup not shown), then
> didn't touch the controls while the sound was playing:
> http://downloads.qi-hardware.com/people/werner/m1/demo/MVI_1756.MOV
> The audio track is "Emergence vs Accension" by medicisoundsystem,
> featuring Snowflake, and licensed under CC-BY:
> http://ccmixter.org/files/medicisoundsystem/30478
> http://ccmixter.org/content/medicisoundsystem/medicisoundsystem_-_Emergence_vs_Accension.mp3
> Sorry for the poor sound quality. Seems that my camera's microphone
> doesn't "hear" my speakers very well when I position it close to the
> screen.
> You may also notice that it's actually the same vocals as in
> MVI_1747.MOV but with a different melody. Seems everyone at ccmixter
> likes "snowflake" a lot :-)
> The patterns are a bit repetitive but should be quite sufficient to
> afford the VJ a restroom break or a chat with admiring fans.
> (*) The modified "Tornado" patch basically has two modes:
>    1) it can produce a disc or bubble-shaped pattern with a tail of
>       copies. If rotation is fast enough, this tail will wrap
>       around many times and look more like a circle or the corners
>       of concentric polygons.
>    2) if things reach the center, they get duplicated in what looks
>       like an explosion. It's still the same mechanism as in 1),
>       but the result can look quite different.
>    The trick for getting highly dynamic patterns is thus to set the
>    controls such that the volume of the music makes the patch
>    switch between 1) and 2) from time to time.
> - Werner
> _______________________________________________
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