Pd-list August 2003

pd-list@lists.iem.at

115 participants
161 discussions

I've officially renamed Pd
by J. Scott Hildebrand 09 Aug '03

09 Aug '03

The acronym is fine, but what it stands for has been changed to "Pain in the Derriere." :P -------------------------------------------------------------------- "640K ought to be enough for anybody." -- Bill Gates, 1981 --------------------------------------------------------------------

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strange behavior
by J. Scott Hildebrand 09 Aug '03

09 Aug '03

when i start up pd like this: pd -lib multi_source_convolution~.pd_linux it says it's not able to load the library, but then when i create an object of it, it successfully creates it with the inlets/outlets, but it's an older version of the external, i think. anybody know what's going on? -------------------------------------------------------------------- "640K ought to be enough for anybody." -- Bill Gates, 1981 --------------------------------------------------------------------

2 1

Problem with fluid~ external
by Luke Yelavich 09 Aug '03

09 Aug '03

Hi all I have successfully compiled the fluid~ external, and compiled flext with the SndObj and STK packages included. However, when I attempt to use the fluid~ external, I get an error message saying undefined symbol add_history. I have FluidSynth 1.0.2 installed, and running pd 0.36 on Slackware Linux 9.0. Other externals, such as readanysf~ which also use flext work fine. Any help would be much appreciated. Thanks Luke

2 1

pd, asio, & kx audio driver
by Douglas McGilvray 09 Aug '03

09 Aug '03

Just wanted to say thanks to: David NG McCallum, Johannes Taelman, Josh Steiner & Miller Puckette for a quick response to my troubles. In case anyone comes accross the same problems: Dont know if kx is incompatible with Pd ver.0.36, it kept claiming an invalid device ID when I tried to select the kx asio driver. Ver. 0.37 however, works a treat! Thanks for the suggestion Miller, I normally steer clear of beta/test versions so I might never have solved the problem. Nice one!, Dougie _________________________________________________________________ Tired of 56k? Get a FREE BT Broadband connection http://www.msn.co.uk/specials/btbroadband

3 2

GEM alpha
by J. Scott Hildebrand 09 Aug '03

09 Aug '03

okay i'm a newbie at GEM and i've never worked with openGL before, but i get the idea because i've done some graphics. can somebody tell me how to use alpha to get transparency? thanks, scott -------------------------------------------------------------------- "640K ought to be enough for anybody." -- Bill Gates, 1981 --------------------------------------------------------------------

3 2

(no subject)
by tdunstan＠ihug.com.au 09 Aug '03

09 Aug '03

hi crew just wondering if someone could explain to me how i can change a phasor~ signal into a triangle signal and back again. it is simple to do in Max with the triangle~ object and the example in the documentation only shows a square wave. i'm sure its really simple.... thanks tom

2 2

specific external problem
by J. Scott Hildebrand 09 Aug '03

09 Aug '03

when trying to dynamically create a user-defined amount of audio inputs, i try the following code but it just seg faults. static void *multi_source_convolution_tilde_new(t_floatarg f, char *argv[]) { int i; t_multi_source_convolution_tilde *x = (t_multi_source_convolution_tilde *)pd_new(multi_source_convolution_tilde_class); x->f_multi_source_convolution = f; //additional signal and float inlets inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("first")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("bound")); for(i = 0; i <= atoi(argv[2]); i++) { inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); } //two signal outlets for stereo outlet_new(&x->x_obj, &s_signal); outlet_new(&x->x_obj, &s_signal); return (void *)x; } -------------------------------------------------------------------- "640K ought to be enough for anybody." -- Bill Gates, 1981 --------------------------------------------------------------------

3 2

Incorrect sample size when reading aif files
by Søren Bovbjerg 08 Aug '03

08 Aug '03

Hi I am experiencing problems when reading aiff files (.... not that I need them, but anyway). If I load a 1 second aiff file the length is reported as 44104 samples (rather than 44100 which is the correct length and the reported length if the aiff file is converted to .wav in an audio editor, which also reports the file as having 44100 samples). The direct impact is a clicking noise when (if) the sound is looped. I might add that this is with PD 0.36 (in case something was fixed in the dev version) /Soeren

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Play/loop and pitch change
by Søren Bovbjerg 08 Aug '03

08 Aug '03

Hi I am searching for a PD object (external/native) that can play samples from an array in both loop and "single shot" mode while being able to change playback speed. So far I have been using a phasor~ (modified to create 1 or unlimited ramps) + tabread4~ but I am experiencing a very small click when the sound loops. The click is only noticable when the sample is a pure looping tone. The problem exists with both wav and aiff files so I don't thing it is a "header" problem. I have attached the sampler (without modified phasor~) I have been using so far. It should run on any newer PD version. Any ideas are welcome. TIA Soeren #N canvas 317 18 863 708 10; #N canvas 0 0 450 300 graph1 0; #X array array1 176206 float 0; #X coords 0 1 176205 -1 200 150 1; #X restore 587 408 graph; #X obj 408 162 r totsamps; #X obj 408 237 /; #X obj 408 285 *~ 0; #X obj 408 261 phasor~ 0; #X msg 408 212 44100; #X obj 408 186 t b f; #X obj 447 285 r totsamps; #X text 278 273 sample loop for; #X text 280 285 test signal; #X obj 459 463 dac~; #X obj 568 156 r spd; #X obj 569 192 - 340; #X obj 569 220 / 340; #X obj 572 246 * -1; #X obj 570 274 * 44100; #X obj 408 333 tabread4~ array1; #X obj 55 191 soundfiler; #X obj 55 215 s totsamps1; #X msg 54 151 read -resize \$1 array1 \; pd dsp 1; #X obj 52 116 openpanel; #X obj 53 70 bng 25 250 50 0 empty empty empty 20 8 0 8 -225280 -1 -1; #X text 189 400 Left right levels goes here; #X text 549 130 Sound speed comes with spd for doppler; #X text 30 42 Click to load a sound; #X obj 326 159 r totsamps1; #X obj 304 191 f; #X obj 304 219 s totsamps; #X obj 392 401 *~ 0.03; #X obj 456 404 *~ 0.03; #X obj 261 71 tgl 30 0 empty empty empty 0 -6 0 8 -258699 -1 -1 0 1 ; #X obj 262 132 moses 1; #X msg 292 158 bang; #X text 253 46 start & stop; #X connect 1 0 6 0; #X connect 2 0 4 0; #X connect 3 0 16 0; #X connect 4 0 3 0; #X connect 5 0 2 0; #X connect 6 0 5 0; #X connect 6 1 2 1; #X connect 7 0 3 1; #X connect 11 0 12 0; #X connect 12 0 13 0; #X connect 13 0 14 0; #X connect 14 0 15 0; #X connect 15 0 2 0; #X connect 16 0 28 0; #X connect 16 0 29 0; #X connect 17 0 18 0; #X connect 19 0 17 0; #X connect 20 0 19 0; #X connect 21 0 20 0; #X connect 25 0 26 1; #X connect 26 0 27 0; #X connect 28 0 10 0; #X connect 29 0 10 1; #X connect 30 0 31 0; #X connect 31 0 27 0; #X connect 31 0 4 1; #X connect 31 1 32 0; #X connect 32 0 26 0;

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multi-source convolution help (with external details)
by J. Scott Hildebrand 08 Aug '03

08 Aug '03

it's been almost a year since i've really been into the external coding, and right now i'm trying to do something i just don't know how to do. the first three inlets will always be there and they are select, azimuth, and elevation. after that is the user specified amount of sources for which there will be one mono input each. i'll paste that part of the code here for anybody who's interested in helping me out. thanks! scott static void multiconvo_tilde_dsp(t_multiconvo_tilde *x, t_signal **sp) { dsp_add(multiconvo_tilde_perform, 6, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[3]->s_vec, sp[0]->s_n); } static void multiconvo_select(t_multiconvo_tilde *x, t_floatarg f) { x->firstfloat = f; } static void multiconvo_azimuth(t_multiconvo_tilde *x, t_floatarg f) { x->secondfloat = f; } static void multiconvo_elevation(t_multiconvo_tilde *x, t_floatarg f) { x->thirdfloat = f; } static void *multiconvo_tilde_new(t_floatarg f, t_int argc, t_atom* argv) { int i; t_multiconvo_tilde *x = (t_multiconvo_tilde *)pd_new(multiconvo_tilde_class); x->f_multiconvo = f; //additional signal and float inlets inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("select")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("azimuth")); inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("elevation")); for(i = 0; i <= argv[2]; i++) { inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); } //two signal outlets for stereo outlet_new(&x->x_obj, &s_signal); outlet_new(&x->x_obj, &s_signal); return (void *)x; } //setup declares new classes and their properties void multiconvo_tilde_setup(void) { multiconvo_tilde_class = class_new(gensym("multiconvo~"), (t_newmethod)multiconvo_tilde_new, 0, sizeof(t_multiconvo_tilde), CLASS_DEFAULT, A_DEFFLOAT, 0); class_addmethod(multiconvo_tilde_class, (t_method)multiconvo_select, gensym("select"), A_FLOAT, 0); class_addmethod(multiconvo_tilde_class, (t_method)multiconvo_azimuth, gensym("azimuth"), A_FLOAT, 0); class_addmethod(multiconvo_tilde_class, (t_method)multiconvo_elevation, gensym("elevation"), A_FLOAT, 0); // for(int i = 0; i <= argv[2]; i++) // { //class_addmethod(multiconvo_tilde_class, (t_method)multiconvo_tilde_dsp, gensym("dsp"), 0); //} CLASS_MAINSIGNALIN(multiconvo_tilde_class, t_multiconvo_tilde, f); } -------------------------------------------------------------------- "640K ought to be enough for anybody." -- Bill Gates, 1981 --------------------------------------------------------------------

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Pd-list August 2003