Pd-list September 2004

pd-list@lists.iem.at

133 participants
217 discussions

Yves' Grid and GoP problems
by David NG McCallum 21 Sep '04

21 Sep '04

All, Has anyone had any problems using Yves' Grid object with GoP? I find that it places itself way out of the GoP canvas, and when I grab the GoP'd object in Edit mode it actually resizes the GoP window instead of moving the object. Anyone else experienced this? On WinXP, Pd .36. Cheers, David -- . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta .

5 14

syncgrain troubles on MacOS X
by Hans-Christoph Steiner 20 Sep '04

20 Sep '04

I have compiled flext and [syncgrain~] against Pd 0.37-1 and [syncgrain~] is running on MacOS X, but I am having troubles with it. Most of the time when I try to set the array, I get this error: *** malloc[1548]: Deallocation of a pointer not malloced: 0x113cd94; This could be a double free(), or free() called with the middle of an allocated block; Try setting environment variable MallocHelp to see tools to help debug The array exists and has data it in when I send the [set( message. The error is triggered only when the DSP is on. My patch is attached at the end. .hc ________________________________________________________________________ ____ Using ReBirth is like trying to play an 808 with a long stick. -David Zicarelli #N canvas 293 198 758 548 10; #X obj 66 260 syncgrain~; #X floatatom 80 102 5 0 0 1 - - -; #X floatatom 91 125 5 0 0 1 - - -; #X floatatom 106 148 5 0 0 1 - - -; #X floatatom 118 171 5 0 0 1 - - -; #X floatatom 132 192 5 0 0 1 - - -; #X text 131 341 The sound source for the grains is obtained by reading from an array containing the source waveform. The grain generator has full control of frequency (grains/sec) \, overall amplitude \, grain pitch (a sampling increment) and grain size (in millisecs). An extra parameter is the grain pointer speed (or rate) \, which controls which position the generator will start reading samples in the table for each successive grain. It is measured in fractions of grain size \, so a value of 1 will make each successive grain read from where the previous grain should finish. A value of 0.5 will make the next grain start at the midway position from the previous grain start and finish \, etc. A value of 0 will make the generator read always from the start of the table. This control gives extra flexibility for creating timescale modifications in the resynthesis.; #N canvas 0 22 454 304 graph1 0; #X array source_array 175807 float 0; #X coords 0 1 175806 -1 200 140 1; #X restore 505 56 graph; #X msg 29 18 help; #X msg 65 47 set source_array; #X obj 175 190 hsl 150 17 0.012 1.2 1 0 empty empty PointerRate_(0-1) 5 9 1 11 -262144 -1 -1 0 0; #X obj 162 168 hsl 150 17 10 100 0 0 empty empty GrainSize 5 9 1 11 -262144 -1 -1 0 0; #X obj 149 146 hsl 150 17 0 500 0 0 empty empty GrainPitch 5 9 1 11 -262144 -1 -1 0 0; #X obj 135 123 hsl 150 17 0 1.2 0 0 empty empty Amplitude 5 9 1 11 -262144 -1 -1 0 0; #X obj 124 100 hsl 150 17 1 1000 1 0 empty empty GrainFrequency_(per_sec) 5 9 1 11 -262144 -1 -1 0 0; #X obj 529 261 openpanel; #X msg 530 280 read -resize \$1 source_array; #X obj 530 305 soundfiler; #X obj 529 230 bng 25 250 50 0 empty empty empty 0 -6 0 8 -155622 -1 -1; #X obj 67 306 *~; #X obj 87 285 hsl 150 17 0 1.2 0 0 empty empty master_amp 5 9 1 11 -262144 -1 -1 0 0; #X obj 55 341 dac~; #X obj 290 266 print SYNCGRAIN; #X obj 376 29 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 1 ; #X msg 376 49 \; pd dsp \$1; #X connect 0 0 19 0; #X connect 0 1 22 0; #X connect 1 0 0 1; #X connect 2 0 0 2; #X connect 3 0 0 3; #X connect 4 0 0 4; #X connect 5 0 0 5; #X connect 8 0 0 0; #X connect 9 0 0 0; #X connect 10 0 5 0; #X connect 11 0 4 0; #X connect 12 0 3 0; #X connect 13 0 2 0; #X connect 14 0 1 0; #X connect 15 0 16 0; #X connect 16 0 17 0; #X connect 18 0 15 0; #X connect 19 0 21 0; #X connect 19 0 21 1; #X connect 20 0 19 1; #X connect 23 0 24 0;

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[Fwd: Re: [linux-audio-dev] P4 kernel patch/option against denormals]
by Pall Thayer 20 Sep '04

20 Sep '04

This just showed up on the linux-audio-dev list. -- _________________________________ Pall Thayer artist/teacher http://www.this.is/pallit http://130.208.220.190 http://130.208.220.190/nuharm http://130.208.220.190/panse ----------------------------- -- _________________________________ Pall Thayer artist/teacher http://www.this.is/pallit http://130.208.220.190 http://130.208.220.190/nuharm http://130.208.220.190/panse -----------------------------

2 1

pd & midi
by juto aviten 20 Sep '04

20 Sep '04

Hello friends, I tried to test some MIDI with PD-0.37-4 but I have few problems maybe some of you experienced? I use a mandrake 10 with kernel 2.6-sds37 and also come back on the other 2.4mm29 I had good experiences with PD-036 & MIDI but I didn't try since! jackd recognize the midiman 2x2 + controler (I tested some others apps) but it seems pd didn't write midi in jack, maybe you already no that? but even in oss there's no MIDI, there is no read/write permissions on /dev/midi even if we write on it -mididev 1 2 3, others application work fine! if someone have an idea, please answer!! thanks juto

4 8

DSP loop detection and abstractions/subpatches
by ClaudiusMaximus 20 Sep '04

20 Sep '04

I have the following in a patch to create a gating effect... _______________ / \ synth-patch / \ | | | | |(fx return) | | [dcm100mixtab/cm_dcm100](mixer) | | |(fx send) | | | | | [env~ 64] | | | | | [expr 100-$f1] | | | | | [dbtorms] | | | | | [sig~] | | | | | [lop~ 10] | | | | [*~ ] | | | \ / \____________________________________/ ...and it works fine, there is no DSP loop. But when I put all the objects (apart from the synth-patch and the mixer) into an abstraction fxgate.pd, so it looks like this... __ __ synth-patch / \ / \ | [dcm100mixtab/cm_dcm100] X [fxgate] \__/ \__/ ...Pd throws up an error about a DSP loop. In fact there is no real loop because it works fine with the abstraction replaced by the objects it contains. Is there a chance Pd's loop detection behaviour could be changed so that this useful design pattern of mixer effect sends/returns could be used within Pd DSP? I.e., expand loop detection to consider abstractions/subpatches as collections of objects rather than as single objects. BTW, I tested also with a [pd ...] subpatch and that threw up the same DSP loop error.

2 1

[OT] pd convention - where to stay
by Christian Klotz 20 Sep '04

20 Sep '04

hi, because of joining pd convention I am looking for a nice place to stay. Is there somebody who could recommend something which is not that expensive? Would be nice, thanks, cheers - christian --- Christian Klotz Kunsthochschule Kassel / School of Arts Kassel ::digitalpool

2 1

The old ASIO latency thing
by matthew jones 20 Sep '04

20 Sep '04

Hi, Is there any reason why the minimum latency I get with Pd is more than twice the minimum latency I get with maxMSP? 460 samples - Pd 216 samples - MaxMSP I'm trying the demo of maxMSP on winXP for the first time, and writing the same patch in both programs which simply records the [noise~] input to [dac~ 1] and the return path from [adc~ 1] to wavfiles (from which I then do interpolated cross-correlation and peak detection in matlab), the numbers I get out are astounding. I use the M-audio 1010 which has a 'latency' control in the 'control panel' software of the driver. Playing around with Pd's 'audiobuf' values seems to have a compound effect with this 'latency' value, where unless you select '64 samples' you cannot get anywhere near good latency. This is the only thing that effects latency in maxMSP, while in Pd I have the additional parameter 'audiobuf' to play with, although even putting this to 1 or 2 still gives latency values far removed from the ones I get with max.....! Is there something going on here I don't know about? Just trying to work out if/why Pd is underperforming.....thanks. Matt -=-=-=-=-=-=-=-=-=-=-=-=- http://www.loopit.org/ -=-=-=-=-=-=-=-=-=-=-=-=-

2 1

linuxevent joystick
by tdunstan＠optusnet.com.au 20 Sep '04

20 Sep '04

i'm trying to get my joystick cranking but i'm missing something here. could someone pointmen in the right direction. i'm using debian. [linuxevent] open /dev/input/event1 failed linuxevent_start You need to set a input device (i,e /dev/input/event0) i'm sure this is simple but i'm new to this game. thanks t

3 2

gui for os x + selective recording
by kyrre laastad 19 Sep '04

19 Sep '04

hello again, my autosampler is alive and well now, thanks to the resize messages. yahoo. i'd like it to only record when there is actual sound input on the soundcard, though, so that it won't gradually record silence over the sampeld sounds. is there any way to do this? i've made it so that i can turn off recording with a toggle switch, but i'd like it to be autmoatic. is this possible? and also, i'd like to make the front end gui a bit more attractive, but all the gui-libraries i've found is for windows or for linux; is there anything being made for os x, and would it be a very complex programming task to make gui objects? i imagine it wouldn't, but what do i know? thanks in advance! -kyrre.

1 0

mp3/ogg play
by ub 19 Sep '04

19 Sep '04

hey, what do you ppl use to play compressed soundfiles in pd these days? mp3play seems to have disappeared and there's only the old d_mp3 at the iem ftp server. there doesn't seem to be any oggplay and pdogg doesn't seem to contain anything for playing soundfiles. recommendations? thanks, ub

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Pd-list September 2004