Pd-list November 2015

pd-list@lists.iem.at

69 participants
105 discussions

FUDI between pd and xwindows client
by Billy Stiltner 07 Nov '15

07 Nov '15

searching for xlib and tcp mostly brings up info about ssh to remote x server or similar. Am not finding any info about how to program sockets inside an opengl and xlib program. Maybe I ought to read the xlib manual. Would I just copy the u_pdsend and u_pdrecieve functions inside my code? Or is there tcp sockets built in to the event handling? Am wanting to use the nifty rapid graphical programming environment to add some tcl/tk controls to my opengl xlib mandelbox renderer because it is currently a challenge to translate my old gui controls to work with the xwindows event processing. The eventual goal is to add the zoom function and navigation in 3d for my sequencer in pd. But first I just want to sync the pd mandelbox sequencer with the opengl xlib visualization( so the current point that is getting sequenced in pd shows up graphically by hilighting the point within the voxelspace as well as plotting the orbits).

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spinning beach ball + 10.11 El Capitan
by me.grimm 06 Nov '15

06 Nov '15

Hello, I just upgraded to 10.11 and when loading Pd I get a long "spinning beach ball" hang before Pd finally loads using Millers 0.46.7 i386 version. Has anyone else experienced this? So, anyway, I followed Dan's retina OSX TK 8.5 post (1) effectively getting Pd to use the OSX builtin TK 8.5 and voilà... Pd starts immediately (no beach ball)... so question to Miller, next Pd release with TK 8.5? m (1) http://lists.puredata.info/pipermail/pd-dev/2014-09/019989.html -- ____________________ m.e.grimm, m.f.a, ed.m. syracuse u., tc3 megrimm.net ____________________

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Re: [PD] recreating FM8 / DX7 in Pd
by Alexandre Torres Porres 06 Nov '15

06 Nov '15

it is in fact one of my pedagogical journeys :) but it it great to know about this james, thanks. But here's an update. I was running Pd at 32Khz sample rate and didn't realize it. When I got it running at 44.1 KHz... voilá!!! It does sound PRETTY CLOSE!!! so this mean filter seems about right after all... cheers 2015-11-06 17:29 GMT-02:00 James Bullock <Jamie.Bullock(a)bcu.ac.uk>: > > Hi Alex, > > DX is really a family of synths which all sound different and work in > subtly different ways. AFAICT FM8 does aim to emulate any particular synth > but rather to capture the essence of that family. Some say it is closest to > the DX7II. > > If you want to get a good DX7 emulation in Pd, I'd recommend using my > pluginhost~ external along with the excellent Hexter DSSI plugin > http://dssi.sourceforge.net/hexter.html > > This is going to be more efficient than implementing in Pd, and it > supports many of the features of the original instrument. The sound is > mostly pretty close. > > Unless of course this is another one of your pedagogical journeys ;) > > Best, > > Jamie > > > > On 6 Nov 2015, at 18:51, Alexandre Torres Porres <porres(a)gmail.com> wrote: > > > Howdy, I'm just trying to understand how the Feedback modulation works in > FM8 (from NI) and how it really is the same as in DX7. I'm actually also > using SuperCollider, which provides a self modulating oscillator > (SinOscFB), but it just burst and blows up in noise way before the FM8 does > with the same modulation index. I've made an equivalent patch in Pd for > SinOscFB. Now, I know that in Supercollider there is no filter in the > feedback, and I was researching around the web and found out about the DX7 > patents where they described the usage of a mean filter in the feedback > loop. Here's the patent > http://www.google.com/patents/US4249447?dq=4249447&ei=7vK4T_m5LKOH6QHH2pTsCg > > this was actually discussed in a Pd Forum. I tried the mean filter in the > feedback loop, but it doesn't really sound closer to FM8's self modulating > oscillator. FM8 is supposed to be a kind of perfect clone to DX7. I don't > have a DX7, but I have FM8, so I'm using it as a guide to recreate DX7 > patches in Pd. > > This may be a long shot, but I wonder if anyone out there could help me > out nailing the perfect sound and behaviour of the self phase modulating > oscillator. > > thanks > > _______________________________________________ > Pd-list(a)lists.iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >

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recreating FM8 / DX7 in Pd
by Alexandre Torres Porres 06 Nov '15

06 Nov '15

Howdy, I'm just trying to understand how the Feedback modulation works in FM8 (from NI) and how it really is the same as in DX7. I'm actually also using SuperCollider, which provides a self modulating oscillator (SinOscFB), but it just burst and blows up in noise way before the FM8 does with the same modulation index. I've made an equivalent patch in Pd for SinOscFB. Now, I know that in Supercollider there is no filter in the feedback, and I was researching around the web and found out about the DX7 patents where they described the usage of a mean filter in the feedback loop. Here's the patent http://www.google.com/patents/US4249447?dq=4249447&ei=7vK4T_m5LKOH6QHH2pTsCg this was actually discussed in a Pd Forum. I tried the mean filter in the feedback loop, but it doesn't really sound closer to FM8's self modulating oscillator. FM8 is supposed to be a kind of perfect clone to DX7. I don't have a DX7, but I have FM8, so I'm using it as a guide to recreate DX7 patches in Pd. This may be a long shot, but I wonder if anyone out there could help me out nailing the perfect sound and behaviour of the self phase modulating oscillator. thanks

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gemwin ... couldn't create
by Jaime Oliver 06 Nov '15

06 Nov '15

Hi all, I am trying to run Gem (ver: 0.93 from Git) and Pd (.46-7) in a new intel ubuntu 14.04 machine. everything compiles and loads fine, but although Gem is in the path and I can create objects like [gemhead] and [Gem], it can't create [gemwin]. If I remember correctly this has something to do with nvidia drivers? any help is appreciated best, J

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Reasonable rfft computation time
by Matt Barber 06 Nov '15

06 Nov '15

Hi list, As part of my array-abs library – https://github.com/brbrofsvl/array-abs – I'm including fft abstractions. I've just finished the rfft one (needs some polish, so it's not on github yet); my question is, I'm not sure what a reasonable computation time for rfft would be using vanilla Pd only (and not relying on the tilde objects, which requires dsp to be running). On my macbook pro it does very roughly (1/2500)*n*log_2(n)ms. This is ca. 1ms for a 256-pt rfft, 400ms for a 2^16-pt rfft, and a full three minutes for 2^24 points. I have a couple of tweaks that will make it moderately faster. I could incorporate a ton of [expr] now that it's lgpl, which could probably make it faster yet, but it would sacrifice some patch readability (which is important to me). Any thoughts?

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[PD-announce] Pure Data Stammtisch this week in Berlin
by Malte Steiner 04 Nov '15

04 Nov '15

PD Berlin meetings are from now at c-base (Rungestrasse 20 Berlin) every first and third thursday in the month beginning 20:00, the next one is thursday, the 5.November. This time we want to explore midi and OSC programming with PD and jam a bit. Looking forward to it and thanks c-base for hosting us. What we do: The meetings don't replace workshops (which are offered extra ;) ), scope of these meetings can be any (or none) of the following: patch/project showcase programming work on general Pd documentation help for beginners (installation, programming tips, ...) or something else you want to do ... Just come along, bring your laptop and sit down with us. The bar is open during the meetings. Necessary prerequisites are only a computer and good mood. If Pd isn't on it, we'll download and install it. http://puredata.info/community/groups/pd-berlin/pd-berlin-users-group/ We thank c-base for providing the space and network for the meetings. the next date: THURSDAY, 19. November 2015, 20h00 _______________________________________________ Pd-announce mailing list Pd-announce(a)lists.iem.at http://lists.puredata.info/listinfo/pd-announce

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GEM ERROR: -50 in GraphicsExportSetOutputFile() 2nd attempt
by Rainer . 04 Nov '15

04 Nov '15

Hi, I get a strange error on my new laptop everytime I try to write a .tiff with pix_write. Sometimes GEM writes 2-3 tiff´s, but each time with an error message ERROR: -50 in GraphicsExportSetOutputFile() and on the 4. tiff pd is suddenly freezing/crashing. Sometimes pd crashes on the first attempt to write a tiff. The images that has been written as far as to the crash are on the harddisk..... Any idea why? win10 / Pd-extended 0.43.4 Thanks, Rainer

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object substitution w/ gui plugin
by me.grimm 02 Nov '15

02 Nov '15

Hello, say i have [repeat] in older patches but now i want to substitute this, for example, for my own [num.repeat] vanilla abstraction without changing original patch. can this be done with gui-plugin? i am noticing since moving from pdx that its quite a pain to replace once relied upon pdx objects with others that have same functions even with perl/sed scripts in tips_and_tricks. if ability to substitute directly with plugin then custom user libs could draw from only needed objects from pdx based patches i was thinking.... cheers m

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Re: [PD] object substitution w/ gui plugin
by Dan Wilcox 02 Nov '15

02 Nov '15

I’ll let Chris fill in the specifics. I remember discussion about installing plugin packages as well as abstraction libraries. As per the security aspects, there has to be trust somewhere, either that or never use an electronic device and live in a cave you dug yourself without revealing it’s location. Or never install computer music software plugins that aren;t signed by nice computer musicians? -------- Dan Wilcox @danomatika <https://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/> > On Nov 2, 2015, at 11:05 AM, pd-list-request(a)lists.iem.at wrote: > > From: "me.grimm" <megrimm(a)gmail.com <mailto:megrimm@gmail.com>> > Date: November 2, 2015 at 10:44:20 AM MST > To: Jonathan Wilkes <jancsika(a)yahoo.com <mailto:jancsika@yahoo.com>> > Cc: "pd-list(a)lists.iem.at <mailto:pd-list@lists.iem.at>" <pd-list(a)lists.iem.at <mailto:pd-list@lists.iem.at>> > Subject: Re: [PD] object substitution w/ gui plugin > > > interesting.... > > does "foo-plugin.tcl" end up at pd folder root? i thought it sticks it in a folder "~/Library/Pd/foo-plugin/foo-plugin.tcl" where in this case Pd would not find off the bat eh? > > so really anything can be distributed via deken hence the "security" discussion a couple weeks back. > > so in dutch deken stands for.... blanket? > > :) > m

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Pd-list November 2015