Pd-list December 2004

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RE [PD] [Gem] delay line for geos?
by Patrick Nicastro 08 Dec '04

08 Dec '04

Try [pipe] . It worked with different delays of geos with same position.. Patrick

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Re: [PD] pd crashes on help files?
by Max Neupert 08 Dec '04

08 Dec '04

danke, merci, thanks -- Max Neupert Fachgebiet Kunst & Medien Hochschule für Kunst und Design Burg Giebichenstein Halle, Deutschland Am 07.12.2004 um 21:30 schrieb Christian Klotz: > hi max, > same thing here. Hans knows the bug I think. But I remember the same > behaviour on Millers test10 dmg if you chose help for a counter. > >> config: OS X, Pd-0.38-0test4HCS1.dmg >> my pd unexpected quit by doing this: >> - start pd >> - open new >> - create loadbang >> - choose help >> (now for a moment nothing happens.. then it opens Related - >> /Applications/PD-0.38.app/Contents/Resources/Scripts/../doc/ >> 5.reference >> and under it help-loadbang.pd - >> /Applications/PD-0.38.app/Contents/Resources/Scripts/../doc/ >> 5.reference) >> - try closing one of the help windows (it will not close) >> - keep trying >> crash. >> >> is this only on my system? >> anyone knows why? >> > > cheers > christian > --- > Christian Klotz > Kunsthochschule Kassel / School of Arts Kassel ::digitalpool >

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deactivating a stuck key
by mählpeak 08 Dec '04

08 Dec '04

Good Evening I've got a quite old omnibook xe2, celeron @433mhz and to my big surprise the "Y" key is stuck!whenever i try to create a new object, it's just impossible... Is there any way to deactivate this key globally for the whole linux apps?? I considered looking at keyboard.h but i'm not sure that it'll work... Any suggestions? Thanx a lot, in advance! -- -- there are two kinds of people: those who finish what they begin

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Mac OS X, ALT-Shortcuts
by rainer kohlberger 08 Dec '04

08 Dec '04

New to PD and a Mac OS X user; browsed the pd-list-mailarchive and found out that other users had have the same problem (in June): 'ALT'-shortcuts (for putting bangs, toggles, etc.) do not work. Is that problem solved in the meantime? Has it something to do with the Tcl/Tk-Framwork? Other ideas? rainer. __ http://www.kohlberger.net/

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CTRL-shift shortcuts
by Alexandre Quessy 08 Dec '04

08 Dec '04

Hi all, I would be very happy if those ALT shortcuts would disappear and be replaced by CTRL-shift in Linux and Command-shift in Mac OS X. I tried them in some applications on OS X and no obvious conflict appeared. Usually, Command-shift-T makes the text palette appear and Command-shift-C shows the color palette. It's all right then ! And for CTRL/Command shortcuts, I'd say that they will create too much conflicts with other applications' shortcuts. aalex

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Re: [PD] atoi should be atol (L)
by Marc Boon 08 Dec '04

08 Dec '04

Stefan Tiedje wrote: > atoi as I understand it should convert the symbol "3.14159" into list of > integers/floats. > "51 46 49 52 51 53 57" as these are the ascii codes for the > corresponding letters (including the decimal point). > > atoi means "ascii to integer" and should output the ascii code for a > given character. [atoi] works similar to the C standard function atoi(), which converts a string, representing a (integer) number, to that number. What you describe is something entirely different: breaking up a string into ascii codes. This is done by the [spell] object, if I remember well.

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Re: [PD-announce] space~ - object for spatialization of audio sources
by Shahrokh Yadegari 07 Dec '04

07 Dec '04

Hi Oliver, > the x=0,y=0 is in the center of the room? seems that the sound jumps > from inside to outside on -1 * length/2 (stereo setup). funny effect. This is basically how the model works. It is not really meant for moving the source inside the listening room. I am working on extending the model to handle this, but I still have not fully tested my ideas. I will post the results to the list. > > I played a little bit with space~, now on a faster machine, but I > still wonder where I should connect the reverb outlet to. You can connect the reverb outlet either internally to a reverb object or externally to a reverb unit. You have to experiment with the reverb level that is diffused in the room to match your acoustics. When a source is in the listening room, no signal is sent to reverb. This especially helps to make the simulation more effective when the source travels from outside of the listening room through the listening room, but you need the reverb for a more realistic image placement in any case. > Is there are reason that there are two ways of setting Theta and Back? > (inlets / messages) Setting of Theta and Back through messages are ignored if "card" is specified as an argument to the object, in which case the real-time data is used for those variables. I added this feature for simplicity as most often one want to have an omnidirectional source which is the default when "card" is not specified. Thus, you have only 4 inlets instead of 6. > did you think about writing a ladspa or dssi plugin? Sure, but not extensively yet. I think the real problem there is to define an interface for how the path should be specified. I have not written a ladspa or dssi plugin yet, so if anybody has any ideas, I'll appreciate hearing about it. Shahrokh. On Dec 3, 2004, at 10:57 AM, oliver oli wrote: > Hi Shahrokh, > > I played a little bit with space~, now on a faster machine, but I > still wonder where I should connect the reverb outlet to. > > Is there are reason that there are two ways of setting Theta and Back? > (inlets / messages) > > Thanks, > oliver > > From: oliver oli <smoerk(a)gmail.com> > Date: November 30, 2004 2:30:44 PM PST > To: pd-list(a)iem.kug.ac.at > Subject: Re: [PD-announce] space~ - object for spatialization of audio > sources > > > Hi Shahrokh, > > nice external, seems to run stable, but my machine is a little bit slow > to handle more than 2 quad space~ objects. as i don't know much about > spetialization in general, what should i do with the reverb outlet? > > the x=0,y=0 is in the center of the room? seems that the sound jumps > from inside to outside on -1 * length/2 (stereo setup). funny effect. > > did you think about writing a ladspa or dssi plugin? > > i like the idea that the speakers are windows to an outer room. i just > shortly tried it, but it seems the image is much more stable than with > panning if you walk through the room. > > now i have to get a faster machine to do something serious with it :-) > > oli > > Shahrokh Yadegari wrote: >> Hi All, >> I have just put up an alpha version of space~, which is a real-time >> implementation of the cmusic's space unit generator with many >> improvements. I have recently added a considerable amount of code for >> room management. So use it carefully. >> You can download compiled versions for Linux and Mac OS X (Darwin) at: >> http://www.crca.ucsd.edu/~yadegari/space.html >> I have not compiled it for windows yet. >> enjoy, >> Shahrokh. >> -------------- >> Notes for version 0.4alpha >> -------------------------- >> Lots of code has been added to this version recently for room >> management and treatment of the reflections when the source is >> outside of the virtual space. Generally you should not allow the >> source to go outside of the virtual source. While I have tried to >> accomodate for the source to be outside of the virtual space and >> thus have the sense of a source being far apart, you should not >> depend on this effect to stay the same. As usual reports of bugs >> and suggestions are welcome. Send me mail at (sdy(a)ucsd.edu). >> space~ - A module for spatialization of audio sources >> ----------------------------------------------------- >> Based on an algorithm and a partial implementaion by F. Richard Moore >> in "cmusic" as part of the Computer Audio Research Laboratory (CARL) >> package. >> Real-time implementation, port to Pd, and new improvements by >> Shahrokh Yadegari. >> With the help of Ted Apel , Anthony Burr , Harry Castle, and Miller >> Puckette. >> Space~ is a real-time implementation of a general model for >> spatialization of audio sources. The central conceit of the algorithm >> is that of a room within a room. The inner room is the space >> delimited by the speakers which contains the listeners. The model >> simulates the behavior of the sound source within a user-defined >> virtual outer room, as heard from the inner room. The speakers >> act as "windows" throug which sound from the outer room passes. >> NOTE: In this implementation both the inner and outer rooms are >> assumed to be squares. Also keep in mind that the simulation of a >> source in the listening room is not as good as when the source is >> in the virtual space and currently one hears sudden changes to the >> level of audio on opposite speakers when a sources passes through >> an inner wall. >> The syntax to space~ is a follows: >> ---------------------------------- >> space~ [card] [stereo|quad] [inner-room-size outer-room-size] >> - card - indicates that the cardiod pattern information is supplied >> for the audio source >> - stereo|quad - specifies the diffusion mode (quad is the default) >> - inner room size - is the size of the inner room in meters >> - outer room size - is the size of the outer room in meters >> (When inner room size and outer room size are not specified, sizes >> 4 and 50 meters are assumed.) >> All inlets and outlets of space~ are of type signal >> Outputs for stereo >> ------------------ >> 1 - Front Left >> 2 - Front Right >> 3 - to be connected to Reverb >> Outputs for quad >> ---------------- >> 1 - Front Left >> 2 - Front Right >> 3 - Rear Left >> 4 - Rear Right >> 5 - to be connected to Reverb >> Inputs >> -------- >> 1 - audio source >> 2 - X coordinate in meters >> 3 - Y coordinate in meters >> 4 - amplitude (not in db) >> Additional inputs when "card" is specified >> ------------------------------------------ >> 5 - Theta (in radians) - source radiation direction >> 6 - Back - radiation level in the opposite direction (0 <= Back <= 1) >> Methods >> ------- >> stop - stop spatial processing (for saving cpu cycles >> start - start processing >> theta - source radiation direction (when "card" is not specified) >> back - radiation level in the opposite direction of theta (when >> "card" is not specified) >> direct - affecting the power laws for calculating the direct ray >> attenuation >> reflect - affecting the power laws for calculating the reflected ray >> attenuation >> TH (also "th" or "threshold") - threshold value for ray diffraction >> simulation >> CF (also "cf" or "crsossfade") - crossfade form for ray diffraction >> simulation >> _______________________________________________ >> PD-announce mailing list >> PD-announce(a)iem.at >> http://iem.at/cgi-bin/mailman/listinfo/pd-announce > > > > >

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array in logarithm mode
by totoetlititi 07 Dec '04

07 Dec '04

Hi ! I'm trying to present my data of my fft in an array. It works perfect, but the arry ias linear... How can I view my fft in a "logarithmic" mode ? Thanks ! Thomas

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atoi should be atol (L)
by Lex Ein 07 Dec '04

07 Dec '04

This patch demonstrates loss of precision through [makefilename] and zexy's [atoi] when processing 32-bit hex numbers. So either atoi should really be atol (long int or long double), or all floats should be long double for maximum mantissa precision, or both. If I'm misunderstanding something, lemme know. These 32-bit numbers are for use as control, where bitfields are important; such loss of precision can have dramatic undesirable effects. At first glance, Microsoft C and GNU both provide quite adequate double and long double mantissa size, so the existence of this data degradation is odd. ---- #N canvas 195 73 366 348 10; #X obj 16 166 >> 8; #X obj 16 124 >> 8; #X obj 16 207 >> 8; #X obj 22 144 & 255; #X obj 23 186 & 255; #X obj 23 228 & 255; #X obj 24 101 & 255; #X obj 16 80 int; #X text 204 17 32-bit value; #X floatatom 57 121 3 0 0 0 - - -; #X floatatom 56 165 3 0 0 0 - - -; #X floatatom 56 210 3 0 0 0 - - -; #X floatatom 57 247 3 0 0 0 - - -; #X floatatom 250 81 15 0 0 0 - - -; #X symbolatom 132 127 15 0 0 0 - - -; #X msg 43 16 0x03030302; #X msg 132 17 0x03030303; #X obj 132 53 atoi; #X obj 132 101 makefilename 0x%x; #X obj 186 163 atof; #X obj 186 189 atol; #X obj 250 213 >> 8; #X obj 250 171 >> 8; #X obj 250 254 >> 8; #X obj 256 191 & 255; #X obj 257 233 & 255; #X obj 257 275 & 255; #X obj 258 148 & 255; #X obj 250 127 int; #X floatatom 291 168 3 0 0 0 - - -; #X floatatom 290 212 3 0 0 0 - - -; #X floatatom 290 257 3 0 0 0 - - -; #X floatatom 291 294 3 0 0 0 - - -; #X connect 0 0 2 0; #X connect 0 0 4 0; #X connect 1 0 0 0; #X connect 1 0 3 0; #X connect 2 0 5 0; #X connect 3 0 10 0; #X connect 4 0 11 0; #X connect 5 0 12 0; #X connect 6 0 9 0; #X connect 7 0 6 0; #X connect 7 0 1 0; #X connect 13 0 28 0; #X connect 15 0 17 0; #X connect 16 0 17 0; #X connect 17 0 7 0; #X connect 17 0 13 0; #X connect 17 0 18 0; #X connect 18 0 14 0; #X connect 21 0 23 0; #X connect 21 0 25 0; #X connect 22 0 21 0; #X connect 22 0 24 0; #X connect 23 0 26 0; #X connect 24 0 30 0; #X connect 25 0 31 0; #X connect 26 0 32 0; #X connect 27 0 29 0; #X connect 28 0 27 0; #X connect 28 0 22 0; ----

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play/load audio files and clics
by abel.jerome＠free.fr 07 Dec '04

07 Dec '04

hi list, How could I play audio files and load another in a different table (with option -resize) WITHOUT clics ? And more generally, how do you manage a lot of samples in the time ? For "generative music", I need for instance, 4 may be 8 audio files together in the same time. But I want to change audio file when I want, with the possibility changing audio files in tables. I think the best way is to build 8 tables with player/recorder/effects tools, and load dynamically the file. thanks, jr http://impala-utopia.org/

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Pd-list December 2004