Pd-list March 2003

pd-list@lists.iem.at

143 participants
300 discussions

The weird problem
by Pall Thayer 09 Mar '03

09 Mar '03

I figured out what was going on. It wasn't anything wrong with PD. PD was just hanging on trying to find the soundcard. So basically, PD was frozen. Just in case the same thing happens to someone else. Best, Pall Pall Thayer artist/teacher Fjolbrautaskolinn vid Armula http://www.this.is/pallit http://www.this.is/pallit/isjs http://www.this.is/pallit/harmony

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recent CVS builds for Windows available for download, testing and feedback
by Daniel Heckenberg 09 Mar '03

09 Mar '03

Hi list, I've posted recent Windows builds of the CVS repositories for PD externals and for GEM for those that want to live on the bleeding edge... http://www.bogusfront.org Please advise any problems. Thanks, Daniel

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pd on gericom masterpiece 2440
by Andre Schmidt 09 Mar '03

09 Mar '03

hi, i'm about to buy my very first notebook :) and saw this on media-markt (germany) http://shop.mediamarkt.de/webapp/wcs/stores/servlet/ProductDisplay?productI… it's a GERICOM Masterpiece 2440 - P4 2,4GHz - 512MB - ATI Mobility Radeon 9000, 64MB - etc... my only worry is that does linux (i prefer suse) and PD+GEM work on this machine. specially that ATI chip. on my desktop with geforce2mx440 i didn't get the 3D drivers from nvidia to work :(...audio ist mir wurst, because i will buy an usb/firewire audio interface later... so, if any1 has/heard this machine with linux+pd+gem, let me know... i will be buying it tomorrow, a special sonday here in frankfurt, the shops are open form 13 to 18 :)))) cheers -andre ps. i'm pretty sure that pd+gem will work on windows with this machine, but i WANT linux...

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newbie: get average
by Christoph Schwarz 09 Mar '03

09 Mar '03

hi there, here's a simple pd problem which i can't solve right now. I want to calculate an average of the last 4 numbers received by an object. any sexy suggestions?

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Re: impulses (was: Re: [PD] help making a square wave?)
by PT147＠mdx.ac.uk 08 Mar '03

08 Mar '03

Pix - thanks for the comments. Of course, it slipped my mind to do that - the square wave question reminded me of it, but I still managed to miss the connection. D'...-uh. I'm not too fussed about cpu in this instance, and do want pretty small clicks from quite low frequency oscillators (I'm trying to experiment with impulses and feedback of various delays). I just hadn't bothered to make a really small number when I tried before. Actually, since writing I've realised that it actually doesn't work as I'd expect either - comparing to really small numbers causes it to do a bit of improv rhythm instead. Chalk one up for the glitch list, I guess. I'll use reaktor, as I've got it and does what I want fine in this case. I guess it would still be nice to have a low cpu square wave, though, if the audio compare objects are costy - would they be more expensive than, for example, the version Frank Barknecht posted, despite looking simpler? cpu cycles are money, people ;-). > the reason it doesn't work is because comparing floating point numbers for > equality rarely works. if you are doing a test for ==~ 0, the value will > often be something very close but not exactly equal to 0. normally when > comparing floating point numbers use test to see if they are closer than > some very small number (normally referred to as epsilon), so you would do > something like [phasor~] -> [<~ 0.01]... not that 0.01 is very small, but > you get the idea. > > tho i'm not trying to suggest that this is a particularly good way of > going about it. it mostly depends what you want to use the pulses for. > > the zexy signal comparison objects tend to be pretty cpu heavy anyhow, so > i tend to avoid them. err... by cpu heavy, i mean if i use a few in an > nqpoly grain, it starts to kill audio. > > pix. >

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writing my own pd?
by Chad Wood 08 Mar '03

08 Mar '03

Hello, Can anyone point me in a good direction for learning more about the design of systems like PD and Max/MSP? I'm interested in understanding these systems on a more abstract level in programming terms. Kind of a computer science perspective on their design... So far I've looked through the code a bit for PD and jMax but documentation on how these systems are put together would be really cool, if that even exists! Thanks. Chad

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average windows bug
by marco zinz 08 Mar '03

08 Mar '03

well... im trying to create something like a timecode on a frequency base. therefor i need to check if the value of a sawtooth is falling or rising. i tried to use the average to do this but the tendency feature is not supported in the windows version of average. would it be a huge problem to maybe recompile it so that its working like on linux?? i need to use windows on that specific machine because my midi interface has no support under linux. lg marco

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Re: impulses (was: Re: [PD] help making a square wave?)
by PT147＠mdx.ac.uk 08 Mar '03

08 Mar '03

I read > >I'm not sure what you mean but maybe zexy's dirac~ is what you are >looking for. Unfortunatel not - this is for generating a single click n samples after receiving a bang, what I'm after is something like an oscilator that outputs a single click every cycle. So I expected an audio rate 'equal' comparison to send a '1' for the instant in which the input (like a phasor~) passed whatever point. I suppose there's another way, but I don't really want to use an array, and I've got other things to be doing now, anyway. I still don't understand why it doesn't work, though, and would like to be able to generate sequential impulses in pd... Cheers, Peter

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Re: impulses (was: Re: [PD] help making a square wave?)
by PT147＠mdx.ac.uk 08 Mar '03

08 Mar '03

> comparing to really small numbers causes it to do a bit of improv >rhythm instead. Chalk one up for the glitch list, I guess. I'll use >reaktor, as I've got it and does what I want fine in this case. Aliasing, I guess?

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Re: [PD-announce] Pd-Enhanced Installers for MacOSX, build 2
by Michael McGonagle 08 Mar '03

08 Mar '03

Hi Adam, I just wanted to give you an acknowledgement for your new release. I don't know if you actually did anything, but MIDI now is working on all input and output ports. I have not done any extensive testing yet, but I am happy to numbers getting into PD. Thanks, Mike Adam Lindsay wrote: > Hi all... > > Announcing a new release of the Pd (enhanced) for MacOSX. (0.36-0 build 2) > > http://homepage.mac.com/atl/pd/installers.html > > It includes everything needed to get started (including Tcl/Tk, Pd, pddp, > and configuration niceties) in a 3.6 MB download. > > The new features in this release include: > - Improved performance (avoiding drop-outs and clicks) using a > modification by Klaus Lebkuecher, communicated to the pd-list by V93r. > - a new -helppath command-line option > - Enabled use of a ~/.pdrc configuration file (include hyphenated > options, one per line) > - Creates a starter ~/.pdrc configuration file as an example and for > enhanced out-of-the-box use. > - Creates and uses directories in /Library/Pd for simpler installation of > Externals and their corresponding Help patches: > > If you want to install externals, libraries, or abstractions with this > installation, you can place the files ending in .pd_darwin (and the > abstractions that end in .pd) into the directory: > /Library/Pd/Externals > Install their corresponding help patches (ending in .pd) in the directory: > /Library/Pd/Help > If there are other files that go with these externals (such as source > files, READMEs, and sample media), a convenient place for these files is: > /Library/Pd/AdditionalDocumentation > Pd internals are reachable from the finder at: > /Library/Pd/Internals > > Similar directories are also created in the Home directory (i.e. ~/ > Library/Pd) of the user installing Pd. The .pdrc file that is > automatically generated tells Pd to look at these directories. > > More details at the above URL. > Complaints and comments welcome. I haven't had a chance to test the > installer as much as I'd like. >

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Pd-list March 2003