Pd-list January 2005

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122 participants
191 discussions

pan_gogins~, odd behaviour?
by shapermechanist＠fastmail.fm 18 Jan '05

18 Jan '05

this is directed at Hans-Christoph Steiner i suppose: i was looking at your panning patches [http://cvs.sourceforge.net/viewcvs.py/pure-data/externals/hcs/pan/] which you mentioned on a previous post on panning (that, i think is a tongue-twister), anyway i was looking at the pan_gogins~ patch and its use of the said external but while using it with an osc~, just as a simple test, it seemed to produce a clicking sound in it's output when panned, not unlike what you get when you use the line object when you should use line~. but when i tried it with a audio sample there was no obvious clicking and similarly so with phasor~. i just thought this was a bit odd, is there a sensible explanation? is it perhaps a simple case of audio theory, like say the gogins algorithim and the osc~ sig interfering with one another or something? anyway it's not of such great importance but i was curious. thanks. -- shapermechanist(a)fastmail.fm

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RE: [PD] P5 Glove stuff
by Anton Woldhek 18 Jan '05

18 Jan '05

Hello Dererk > [temperature] - counts the number of 'input events' within a > specified > interval of time, can be used to detect the degree of activity on > non-signal patch cords Unfortunatly, because of the unstable nature of ones finger, the number of events per n ms is allmost the same no matte rhow mucbh you move your fingers. Currently I was doing an delta x - delta y = z if z < 30 BANG (something happens) etc. Not a good solution because you need a metro etc. Anton

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Re: [PD] Embeded PD
by Mathieu Bouchard 18 Jan '05

18 Jan '05

On Mon, 17 Jan 2005, Martin Pichlmair wrote: > > G4,G5,etc). The ARM processor is available in various models and is > > used in almost all (say 90% of) handheld computers nowadays. > not true. all newer handhelds come with xscale cpu's. Ok, thanks, I was late on the news. > actually i don't know if it is a risc processor or not :-) RISC vs CISC nowadays is a false debate. Both RISC and CISC lines of processors have evolved way beyond their original concept. > actually PDa is not much more than this (maybe plus practicality and [...] > load. a trade-off situation that you can and should not solve on a > generic level. Thanks for the extra precisions (no pun intended). _____________________________________________________________________ Mathieu Bouchard -=- Montréal QC Canada -=- http://artengine.ca/matju

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[Fwd: Re: [PD] constructing "data" - how do I see shapes?]
by David Marrs 18 Jan '05

18 Jan '05

> David Marrs hat gesagt: // David Marrs wrote: > > > >> Thanks for the tutorial. Unfortunately I can't get it to work. :( >> It wasn't labeled but I presume it's a pd patch so I added the >> appropriate extension and tried opening it in pd. Unfortunately Pd >> doesn't like it and shows its disaproval by crashing. >> > error: tut/: no such object error: canvas_restore: out of context error: canvas_restore: out of context error: canvas_restore: out of context error: canvas_restore: out of context error: #X: no such object error: #X: no such object error: #X: no such object error: #X: no such object error: : no such object Consistency check failed: t_canvasenvironment That's what happens before pd crashes. I guess I'll try fiddling around with this again tomorrow. -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.6.10 - Release Date: 10/01/2005

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P5 Glove stuff
by Anton Woldhek 17 Jan '05

17 Jan '05

Hello Pd'ers I was wondering whether anybody who, like myself, got a P5 glove been doing any patching with it? I've been working with it for a bit now and having loads of fun. Currently im working on a patch that allows me to control a simple delay with the p5, creating all kinds of wonderfull feedback scapes :) Ive been trying to figure out the best way to filter out slow changes in finger bends, so that for example an 'attack' only gets triggerd when I bend a finger fast, and not when im bending it slow, or the other way around. Has anybody figured out a way to do that yet? Cheers Anton

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RE: [PD] P5 Glove stuff
by Anton Woldhek 17 Jan '05

17 Jan '05

Hold the press, Pls ignore my previous msg, temperature *IS* what I need, but I only need to add a [change] before it :) Thanks Derek!!! Anton > -----Original Message----- > From: derek holzer [mailto:derek@x-i.net] > Sent: maandag 17 januari 2005 20:22 > To: Anton Woldhek > Subject: Re: [PD] P5 Glove stuff > > > Hi Anton, > > > Anton Woldhek wrote: > > > Ive been trying to figure out the best way to filter out > slow changes in > finger bends, so that for example an > 'attack' only gets triggerd when > I bend > > a finger fast, and not when im bending it slow, or the > other way around. > > From MaxLib: > > [temperature] - counts the number of 'input events' within a > specified > interval of time, can be used to detect the degree of activity on > non-signal patch cords > > Then you could use [spigot] or some other gate-like structure > that you > can open only when the "tempurature" gets higher (or lower). > > The opposite of this would be MaxLibs's [speedlim], which essentially > low-pass filters the input events, but cannot be "reversed" > to only get > the fast events AFAIK. > > derek > > -- > derek holzer ::: http://www.umatic.nl > ---Oblique Strategy # 36: > "Consult other sources > -promising > -unpromising" >

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Re: [PD] 3D Binaural Sound with HRTFs
by Stefan Turner 17 Jan '05

17 Jan '05

> Subject: [PD] 3D Binaural Sound with HRTFs > > > Hello, > I'm totally new with pd, I just installed it! A friend told me that PD > is the best option for driving my experimental VAS setup. I think the > better way of learning is with examples, then, I wonder if anyone has > an > external or abstraction for 3D Sound reproduction by headphones, > wich means, a convolver for the headphone inverse transfer function > and for the HRTFs (corresponding to different spatial positions)...and > maybe a friendly user interface too ... Thanks in advance > > Cheers > > Sergio Hi If you're on Linux, there is a LADSPA plugin that does this at http://quitte.de/dsp/caps.html, which you can use with the plugin~ external. It only uses zero elevation though (nothing above or below). For a university project I am writing a similar thing but with all elevations and other stuff like Doppler shift etc., but that won't be ready for a while. Alternatively you could use FIR~ from IEM to convolve with wav files (but they have to be pretty small). Stefan Turner ___________________________________________________________ ALL-NEW Yahoo! Messenger - all new features - even more fun! http://uk.messenger.yahoo.com

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expr and expr(~) vs individual operators
by Jamie Bullock 17 Jan '05

17 Jan '05

Dear all, Can anyone tell me what is more computationally efficient, the use of chains of individual mathematical operator objects or their equivalent in a single expr(~) object. For example, what would be quicker: | | [+~ ] | [*~ 20] or [expr~ ($v1 + $v2) * 20] Jamie

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Bay Area PD groups?
by Beau Casey 17 Jan '05

17 Jan '05

Hia Chad, I'ma Bay area PD enthusiast, and also aquaintence of David Z. and some other cats over a Cycling74. One of my patches was an Installation for the Graz Convention, which I watched via webcam, but was unable to attend, and I think it would be cool to meet some other PDers. Definitely let me know if you want to get together. And thanks for telling me about the BACSUG (csound group). www.cypod.co.nr

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Bay Area PD groups?
by Chadwick A. Wood 16 Jan '05

16 Jan '05

Hi, I just moved to San Francisco and I was wondering if there are any groups of people meeting up semi-regularly who use PD (or Max/MSP, or whatever really). I know of BACSUG (csound group). Anything else? Thanks! Chad Wood

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Pd-list January 2005