Pd-list April 2010

pd-list@lists.iem.at

143 participants
284 discussions

propertybang-help
by Mathieu Bouchard 01 Apr '10

01 Apr '10

note also that merely loading [propertybang] is disabling the properties menu item on every GOP in its parent patch except the ones that use [propertybang]... note also that [propertybang] writes to a global variable in a way that no other external can compete with, apparently... i'd very much like to use [propertybang] or code something similar to it, but I'm not very comfortable with some things that it does. _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801

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mapping_video
by kubriel 01 Apr '10

01 Apr '10

hallo, i made quite user friendly projection mapping abstraction for video. it is based on curve3d(thanks to iohannes), but with useful and fast interface, as you know from moving rectangles in inkscape. i used it to make this instalation http://www.direkt.sk/_/bx/feedback/13.jpg this is, how the interface looks http://www.direkt.sk/_/mapping_video.png http://www.direkt.sk/_/mapping_video.zip mapping_video.zip, (5,9Kb): mappingvideo-MAINPATCH.pd - to check whats going on try this pytagoras.pd vertex.pd videoplayer.pd stred_bodov.pd video_ext.pd - this is the object itself it is pretty big mess, i know. also names of abstractions are not very clean, i can make it better if somebody wants to modify it. it is only what i used, i offer to you, with hope to help somebody have a nice day

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Combat aliasing!
by Mathieu Bouchard 01 Apr '10

01 Apr '10

Derek Holzer wrote : > I was thinking about this the other day.... is it possible to have aliasing > with Karplus-Strong? Because it's a delay line, nothing is being played back > at any higher rate than it was sampled at, so no aliasing should be possible. > Right? The aliasing comes from a moiré (interference) between the frequency of the sampling and the frequency of whatever is going on. In the case of Karplus-Strong, the choice of the number of samples of delay is an integer, therefore the rounding of those values will be a kind of aliasing, and this aliasing will accumulate as the signal is fed back, because all the fractional-sample delays exceeding or missing are going to add up instead of being compensated by the usual counters. If you antialias Karplus-Strong synthesisers, instead, the antialias will act as a lowpass that will attenuate much of the upper range of possible frequencies. For example, a delay by n samples and a half, is quite equivalent to how [rzero~ -1] acts as a kind of low-pass. _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801

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GEM strange problem with fonts
by Jose Luis Santorcuato 01 Apr '10

01 Apr '10

Dear List, i stay working in a interactive project for Museum... the Aymara culture, i work with audio, videos and fonts in GEM in a Blackbook with 10.5.8 osx, all works fine, GEM shows the fonts, videos and the sound is fine, but when i put the same folder in other mac the fonts dont appear...audio and video yes... I connect in net the two computers, works... but the fonts... is very crazy... the other mac have a 10.6.2.... i test in other mac with 10.5.6 .... Whats is wrong? I send the programs Best regards from Chile José -- http://www.chilemigra.cl http://arselectronicachile.blogspot.com http://www.myspace.com/santorcuato

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Pd-list April 2010