The Cyndustries List

Would it be a feat of engineering to create a small/medium sized
modular panel containing a polychromatic pattern generator that
responds to audio or cv input? Ideally it would have a consumer grade
phono/RCA video output jack and various parameters controlled by CV.

--- In The_Cyndustries_List@yahoogroups.com, Richard Brewster
<pugix@...> wrote:
>
> I actually built analog video synthesizers while working with David 
> Jones at the Experimental TV Center in the seventies. 
> 
> http://www.experimentaltvcenter.org/index.html
> http://www.audiovisualizers.com/toolshak/vidsynth/djones/djones.htm
> 
> See the two yellow boxes with black knobs in the upper right of the 
> photo of David?  It is an analog synthesizer I built  for the ETC. 
I am 
> mentioned on the site, but they don't know what I did really.  It says 
> something about a video switcher.  I do remember building a video
matrix 
> switcher (8 inputs routed to any of 8 outputs I think).  But I don't 
> remember the details.
> 
> http://www.audiovisualizers.com/toolshak/vidsynth/brewster/brewster.htm
> 
> Analog video requires a 10Mhz bandwidth.  In those days it had to be
all 
> discrete transistors.  Now days, I imagine there are high slew rate op 
> amps that could handle video.  For high quality you would want 
> multi-layer PC boards.  Shielding is a much bigger concern; you use a 
> lot of coax internally.  The standard connector is a BNC jack.  One of 
> the things David and I worked on was interfacing audio and video 
> synthesizers.  David's voltage controlled video mixers, keyers, and 
> colorizers could be controlled by LFO's, Envelope Generators, and so
forth.
> 
> We had a limited budget, so the quality of the signal suffered in some 
> of the prototypes (bleed-through, and video sent through scratchy 
> pots).  David kept improving his designs and had his own business 
> later.  Seems he still has it.
> 
> http://www.djdesign.com/
> 
> Richard Brewster
> http://www.pugix.com
> 
> Captain Quality wrote:
> > I can't think of another modern modular company that is better poised
> > to create a video synthesizer module.
> >
> > Why are there no analog video synths being made? It seems like the
> > idea behind the Atari Video Music could be incorporated into a single
> > module.
> >
http://www.atarimuseum.com/videogames/dedicated/videomusic/videomusic.html
> >
> > Dan Sandin's modular analog Image Processor designs are available for
> > license; they would make a neat set of modules.
> > http://www.audiovisualizers.com/toolshak/vidsynth/sandin/sandin.htm
> >
> > Aside from a sea of blinking LEDs, the visual possibilites of modular
> > synthesis are basically unexplored.
> >
> > Any ideas on this?
> >
> >
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> >  
> > Yahoo! Groups Links
> >
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