2012/7/12 tim vets <[email protected]> > [sig2pix~] ? > > sorry, that shoulld be: [pix_sig2pix~]
> 2012/7/12 Off Screen <[email protected]> > >> Hello everybody, >> >> I'm trying to emulate an analogue video synthesizer using GEM. My >> starting point is the LZX system, an old school analogue video synth which >> has been rebuilt today using modern circuitry components. Obviously that >> wonderful tool is way too expansive for me so I thought I could build >> something similar using Pd. >> >> My first goal is to succesfully emulate the Video Waveform Generator: >> http://www.youtube.com/watch?v=pbpFgvttBZw >> >> Here is a detailed description: >> http://www.lzxindustries.net/modules/video-waveform-generator >> >> I've tried to use [pix_sig2pix~], it works quite nicely and the patterns >> I get are almost identical to the ones in the video (including all the fm >> and pwm stuff). The problems are in the second part of the video, when they >> use high frequencies (~ 3mhz) to generate vertical bands. I'm pretty sure I >> can't use the same approach with Pd. >> >> The other option would be to use GLSL shaders, but it has two major >> drawbacks: first, it won't be using raw signal but control messages (no >> sound generation); second, it won't be patchable, once the parameters are >> converted into an image all the informations about frequencies are lost and >> I won't be able to use it to modulate another shader. >> >> I'd like to know from somebody who has much more experience than me what >> would be the best approach. Are there any limitations or constraints within >> the [pix_sig2pix~] object or Pd itself that I should be aware of? Any >> advice will be extremely appreciated. >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> >
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