Pd-list January 2003

pd-list@lists.iem.at

96 participants
150 discussions

Crossfade model
by Jordan J 29 Jan '03

29 Jan '03

Hello, Basically, I'm having a little internal argument with myself about the correct definition of a crossfade is. I have two ideas of a crossfade, but which is right? A) A slider that goes from -1..1. When the slider is at 0 both signals are at 1 (full volume). As you stray from zero in either direction, the corresponding input's (left - less than zero, or right - greater than zero) volume is reduced and the other input's volume stays at a maximum of 1. or B) You have a slider that goes from 0..1. The output is equal to Input1 * slider + Input2 * (1-slider) This may sound confusing in writing, as I've written it quickly, but the corresponding diagram might help: http://defaced.net/buck/misc/xfade.jpg Hopefully someone will know which is correct. Thanks for any help you can contribute. -Jordan

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Re: [PD] PeRColate problems
by steven yi 29 Jan '03

29 Jan '03

nevermind... i did get PeRColate to run after all, but it's sort of strange. I ended up out of the blue making a "percolate" object which then allowed me to load all the other objects in the library. is this normal behaviour for plugins that contain multiple objects? thanks, steven

3 2

openpanel and sliders
by marius schebella 28 Jan '03

28 Jan '03

hi, seems to be a windows problem again. i just found that if i use openpanel to load a soundfile and i select a soundfile by doubleclicking on the file.. and at the same place in the patch window below there is a slider (jump on click) then the slider jumps to the position, where i clicked the soundfile... very strange. but good to know! marius.

1 0

Re: [PD-announce] LAD meeting at ZKM Karlsruhe 14-16 March 2003
by CK 28 Jan '03

28 Jan '03

I read: > On 14-16 March 2003 there will be a huge Linux Audio Developers > meeting in Karlsruhe, Germany. More info is at I might , I might is it really huge ???? BTW I know you have left already but I'm flying into tegel on saturday any one of you hanging out in berlin interested in meeting ? (I will spend some time at transmediale I guess) cheers, x -- chris(a)lo-res.org Postmodernism is german romanticism with better http://pilot.fm/ special effects. (Jeff Keuss / via ctheory.com)

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help: mac osx + m-audio delta66 (sounddev error)
by Rodrigo Derteano 28 Jan '03

28 Jan '03

Hello, I've got a problem trying to run pd with my m-audio delta 66 soundcard on mac osx (jaguar). Pd version is pd-0.36-0 and TclTkAquaBI-8.4.1.0-Jaguar.dmg. When I start pd, it looks like this (below). I'll be very glad to hear from you. rodrigo derteano [dyn221:~/desktop/pd-0.36-0/bin] rodrigoderteano% ./pd -listdev Number of devices = 11 ---------------------------------------------- #1 Name = Built-in audio controller Max Inputs = 2, Max Outputs = 0 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #2 Name = Multichannel Delta-66 Max Inputs = 8, Max Outputs = 0 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #3 Name = Analog 1/2 Delta-66 Max Inputs = 2, Max Outputs = 0 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #4 Name = Analog 3/4 Delta-66 Max Inputs = 2, Max Outputs = 0 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #5 Name = S/PDIF Delta-66 Max Inputs = 2, Max Outputs = 0 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #6 DefaultInput Name = Mixer Delta-66 Max Inputs = 2, Max Outputs = 0 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #7 Name = Built-in audio controller Max Inputs = 0, Max Outputs = 2 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #8 DefaultOutput Name = Multichannel Delta-66 Max Inputs = 0, Max Outputs = 6 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #9 Name = Analog 1/2 Delta-66 Max Inputs = 0, Max Outputs = 2 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #10 Name = Analog 3/4 Delta-66 Max Inputs = 0, Max Outputs = 2 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- #11 Name = S/PDIF Delta-66 Max Inputs = 0, Max Outputs = 2 Sample Rate Range = 8000.000000 to 96000.000000 Native Sample Formats = paFloat32, ---------------------------------------------- [MIDISportLike] count of items in device list is 0 [MIDISportLike] considering service whose index is 0 [MIDISportLike] considering service whose index is 1 [MIDISportLike] considering service whose index is 2 [MIDISportLike] considering service whose index is 3 could not open midi input device number 1: Host error. could not open midi output device number 1: Host error. using default input device number: 5 using default output device number: 7 nchan 2, flags 3, bufs 8, framesperbuf 256 Could not create output format converter: error = 0x666D743F = 'fmt?' Error number -10000 occured opening portaudio stream Error message: Host error.

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patchwindow-sizes
by marius schebella 28 Jan '03

28 Jan '03

hi, posted this before. is a real annoying problem, is there still no solution? when i just open and save a pd-patch, the size changes. i create and save an empty patch. when i look at it in textmode, it says. #N canvas 0 0 452 302 10; if i just open it and save it again, the patch changes to #N canvas 0 0 454 304 10; and after reopening and saving again, it says #N canvas 0 0 456 306 10; i think originally it should be 450 and 300? anyway, this is making me crazy working with GOPs, because they always change their appearance. please someone debug this... or is it a bug in tcl/tk? marius.

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XY GUI input object available?
by steven yi 28 Jan '03

28 Jan '03

Hi all, Just wondering if there is any 2D GUI input object available like the one in jMax (tracks X/Y)? Looking through pure-data.org I didn't seem to find any. Any help appreciated, steven

4 3

Universal Makefile for PD
by Michael McGonagle 28 Jan '03

28 Jan '03

Hello all, I have been working with some externals for PD over the past few days, and having noticed that most makefiles do not have targets for Mac OS X (Darwin), it made me wonder if there is a "Universal" makefile that contains the needed code as a starting point for all externals. Is there some documentation on compiling externals? I have looked at the tutorial for externals at 'iem', but it does not get into any of the "compilation" things. Is there one way to compile an external? What sorts of options are there? Thanks, Mike

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surround sound
by Pixelcorrection＠wmconnect.com 28 Jan '03

28 Jan '03

I wanted to use pd to make surround sound mixes on my pc. Is the Creative Audigy2 compatible with pd? ie using windows 98 if I set the sound driver to the creative hardware device, will pd be able to out put audio to all six of its channels? Does anyone else have a favourite surround soundcard that they successfully use with pd? Is there any way to make AC3 files with pd?

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Re: [PD] Re: [PD-dev] Circular Line object?
by bbogart＠ryerson.ca 28 Jan '03

28 Jan '03

This looks great! Thanks Pix, I actually have another problem and the way you solved this last one makes it difficult for me to see how to attack it. Its a very similar problem. I need to compare two angles. This function should test to what degree the two angles oppose one and other. For example if the first angle is 0 and the second 180 then this would be total opposition so the function should return 1. If the second angle is 90 (and the first still 0) then thats a half opposition so the output should be 0.5. Now the way this problem relates to the first is if the second angle is 270 then it should return the same results as if it were 90. (because its still half-opposition, just in the other direction) Any pointers/ideas would be appreciated. Thanks Ben ----- Original Message ----- From: pix <pix(a)test.at> Date: Sunday, January 26, 2003 6:31 pm Subject: [PD] Re: [PD-dev] Circular Line object? > oops, here it is. > > On Mon, 27 Jan 2003 00:30:05 +0100 > pix <pix(a)test.at> wrote: > > > hey, cool problem... > > > > it's not really a dev question tho, because you can do it within > pd with > > some number juggling. attached is an example. > > > > it just gets every number into a form which is +/- 180 from the last > > known value of the line (which is run through mod so it is always > > 0-360). > > > > pix. > > > > On Fri, 24 Jan 2003 21:27:35 -0500 > > bbogart(a)ryerson.ca wrote: > > > > > Hello all, > > > > > > I'm working with a lot of angles in my current project (0- > 360degrees> > where 0 is the same point as 360) > > > > > > I want to tween between one angle and another. If my initial > angle is > > > 10 degrees, my desination angle is 270 degress. I want an > object which > > > will take the shortest route around the circle to tween to the > > > desination angle. If I use "line" I have my angle go from 0-90- > 180-270 > > > Clock wise when I want it to go 10-0-270 Counter clockwise. > The line > > > object does work, but only when the angles differ by less than 180 > > > degrees. So the question is how do I make a patch which tweens the > > > angle by the shortnest distance? > > > > > > Any help would would be appreciated. > > > > > > In case your hoping I'm not talking about a rotating object so > I can't > > > just use a negative rotation angle. > > > > > > Thanks > > > Ben > > > > > > > > > _______________________________________________ > > > PD-dev mailing list > > > PD-dev(a)iem.kug.ac.at > > > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-dev >

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Pd-list January 2003