Pd-list April 2004

pd-list@lists.iem.at

143 participants
299 discussions

ripple
by marius schebella 17 Apr '04

17 Apr '04

hi, the new behaviour of ripple is ... hmmm, ... new what happened to the old ripple? and for the new ripple: what effect does it exactly? how can i change the center of the ripple effect? there is only a switch between 0 and 1? what I want to do is texture a pix to the effect, with pix_image pix_texture and ripple... i used this before, but with the new Gem-version it seems broken. marius.

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Re: Error: DSP loop detected...[example patch] !help!
by derek＠x-i.net 17 Apr '04

17 Apr '04

The patch is attached. The idea is to have a switch which shuts off one signal chain path while turning on another to keep a DSP loop from occurring. But if you try to start audio, it still detects a loop somewhere! What did I miss? d

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Re: [PD] viewable pd pathces, anyone?
by Yury 17 Apr '04

17 Apr '04

something can be found here: http://www.em411.com/list.php?area=patch&this_link_section=pure%20data#pure… Tuesday, April 13, 2004 9:43:51 AM Jesse wrote: JS> Hi all, JS> I'm a bit of a Newbie to PD still - and as Im plodding thru it all, I'm more JS> and more keen to see how other people have made sense of it all.... I've JS> only seena few peoples patchez before - I was wondering if anyone knew of JS> any people, sites or maybe thres s0omeone on the list who has any viewable JS> examples of a working patch they've made? Im just keen to see what other JS> creative uses their are for PD to give myself a bit of context... also JS> interested in what crazies are doin all night long bangin that QWERTY. JS> jEss

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stopping messages
by Ronan Tighe 17 Apr '04

17 Apr '04

hi i'm pretty new to pd so this might be a stupid question, so sorry if it is. i'm trying to take in coordinates from a tablet (using gemtablet) and you use them to play midi notes my problem is that they come in together to quickly and it bangs the note twice rapidly. i've tried to stop this by using the spigot but they are the messages are being sent to the makenote object within a milisecond of each other. is there any object that would take the first message and ignore the rest thats for reading ronan

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Re: allpass~ and phase shifting
by Stefan Turner 17 Apr '04

17 Apr '04

Thanks for the help. I will have a look at biquad~ and start learning some theory! Out of interest, does anyone know what is allpass~ for and why it has a gain control? Cheers Stefan Hi Stefan: The term "allpass" refers to a filter that has a gain of 1 for all frequencies. There are lots of topologies (first order, second order, lattice), but the main types you will encounter in computer music are as follows: - Delay-based allpasses, where the allpass filter contains a delay line with a large number of samples. These are usually used in reverb construction. - Lower-order filter allpasses, such as first-order and second-order allpasses. These are less common in computer music languages. Csound has them (phaser1 and phaser2 - I programmed them a few years back), and MAX/MSP has a 2nd order allpass (called phaseshift~). Usually, several of these are arranged in series, and the output of the series is mixed with the input signal to produce the classic phase shifting effect. I am not sure if anyone has programmed first or second order allpasses for PD. You can definitely use biquad~ to obtain a 2nd-order allpass response. For that matter, you could get 2 first order allpasses out of biquad~ as well - you need to multiply together the transfer functions to get the proper coefficients. The one issue with using biquad~ (or phaseshift~, for that matter), is that the classic analog phase shifter uses a bunch of first order sections in series, with feedback around the entire network. The feedback needs to have a vector size of 1 to sound correct, while the filter coefficients do not necessarily have to be computed at the sampler (they can be computed at a slower rate). Sean Costello ____________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html

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RE: [PD] bitcrusher effect
by Matthew Allen 17 Apr '04

17 Apr '04

I use a variation on Millers up_downsampling patches in the help files. m. -----Original Message----- From: pd-list-admin(a)iem.at [mailto:pd-list-admin@iem.at]On Behalf Of tom(a)nullpointer.co.uk Sent: Friday, April 16, 2004 2:46 PM To: pd-list(a)iem.at Subject: [PD] bitcrusher effect Hi. Whats the standard method for creating a bitcrusher style effect. (ie downgrading sample rate and resolution?) Has anyone got any example abstractions or anything? Thanks Tom http://www.nullpointer.co.uk http://www.r4nd.org _______________________________________________ PD-list mailing list PD-list(a)iem.at http://iem.at/cgi-bin/mailman/listinfo/pd-list _________________________________________________ Scanned on 16 Apr 2004 21:48:36 Scanning by http://erado.com _________________________________________________ Scanned on 16 Apr 2004 22:09:20 Scanning by http://erado.com

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OSC
by nicolas potiron 16 Apr '04

16 Apr '04

Hello someone knows how to load the libOSC, I tried './pd -lib libOSC but it doesn't work. :( The patch doesn't reach to create object?! An Idea? Yahoo! Mail : votre e-mail personnel et gratuit qui vous suit partout ! CrÃ©ez votre Yahoo! Mail sur http://fr.benefits.yahoo.com/ Dialoguez en direct avec vos amis grÃ¢ce Ã Yahoo! Messenger !TÃ©lÃ©chargez Yahoo! Messenger sur http://fr.messenger.yahoo.com

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dynamic sliders
by arana frederik 16 Apr '04

16 Apr '04

hie all, i would like to change some sliders value dynamicaly when i load a sound in. what message or object i should use to do so? thanks

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help, I need somebody Help (pure data)
by nicolas potiron 16 Apr '04

16 Apr '04

hello world I'm a newbee with pure data, I try to run an exemple with OSC but I can't create object, I show you: antivirux[9:22]%./pd couldn't open MIDI input device 0 couldn't open MIDI output device 0 opened 0 MIDI input device(s) and 0 MIDI output device(s). sendOSC ... couldn't create dumpOSC 4001 ... couldn't create OSCroute /HelloLinux ... couldn't create Do you know where the problem is? Thanks (I work on redhat) Michel Yahoo! Mail : votre e-mail personnel et gratuit qui vous suit partout ! CrÃ©ez votre Yahoo! Mail sur http://fr.benefits.yahoo.com/ Dialoguez en direct avec vos amis grÃ¢ce Ã Yahoo! Messenger !TÃ©lÃ©chargez Yahoo! Messenger sur http://fr.messenger.yahoo.com

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replace PDB by RAA ?
by Mathieu Bouchard 16 Apr '04

16 Apr '04

Hi, since PDB is a read-only database and very much incomplete, may I suggest that we use a copy of RAA instead ? It's the database of packages for the Ruby language (http://raa.ruby-lang.org/). I think RAA's web engine is freely available, so if there is interest, I could find the code, and it could be installed on one of the main Pd sites, and people would fill it with listings of Pd's externals instead of Ruby's externals. Alternatively, Alex or I could install it on http://artengine.ca/ ... ________________________________________________________________ Mathieu Bouchard http://artengine.ca/matju

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Pd-list April 2004