[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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