Pd-list August 2008

pd-list@lists.iem.at

101 participants
156 discussions

dssi-vst.so possible?
by patrick 29 Aug '08

29 Aug '08

hi, i am trying to use VST under linux / pd. i have no problem using jack-dssi-host: http://probing.wikidot.com/using-vst-on-linux-with-jack for pd, i compiled externals/postlude/dssi. the example is working perfectly (hexter.so, sine). next i am trying to use dssi~ like this [dssi show] | [dssi~ dssi-vst.so:FreeverbToo.dll] ======================================== dssi~: DSSI/LADSPA host - version 0.95 ======================================== dssi~: can't open dssi-vst, unable to find GUI dssi~: 1 instances of FreeverbToo.dll, ready. banging [dssi show] dssi~: can't open dssi-vst, unable to find GUI how can i show the GUI of FreeverbToo.dll and not dssi-vst? pat

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Re: [PD] 'pure' pd DSP abstractions wanted!
by Mitchell Turner 29 Aug '08

29 Aug '08

Jamie, I'm not sure this fits in with your project. I have an abstraction that allows easy interface between Pd and the REMOTE SL Zero (Novation). Let me know if you want to include it or take a look at it. Mitch > Date: Sun, 24 Aug 2008 08:42:29 +0100 > From: Jamie Bullock <jamie(a)postlude.co.uk> > Subject: [PD] 'pure' pd DSP abstractions wanted! > To: pd-list <pd-list(a)iem.at> > Message-ID: <1219563749.9518.7.camel@aluminium> > Content-Type: text/plain > > > Hi everyone, > > I'm looking self-contained DSP abstractions that only use Pd - no > externals. Things like reverbs, different types of filters, delays, a > pitch shifter, harmonizer -- a kind of basic 'FX' toolbox. > > I'm thinking very much along the lines pdmtl/fx.* but without the > external dependencies. > > Thoughts I've had so far: > > - Pull stuff out of the Pd help patches > - Pull stuff out of the list archives > - Remove the dependency requirements from pdmtl/fx.* > > But, maybe someone has a nice 'set' of such abstractions sitting on > their hard drive, that they wouldn't mind releasing into the public > domain -- or under some permissive license. > > TIA, > > Jamie

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DIY library - samplers, synthesis, effects, etc
by hard off 28 Aug '08

28 Aug '08

here's the mailing list link to my DIY library, lots of plug and play units for music and sound production. http://www.m-pi.com/DIY2.zip at the moment there is no formal licence, so anyone may use these however they want. also, i am in europe travelling round until mid-october, so if anyone wants to get in touch with me for whatever reason (i like to play live gigs, hint hint ;), then please do!

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Csound opcode Moogladder to Pd?
by Anton Hörnquist 27 Aug '08

27 Aug '08

Frank - that was fast! Thanks! I haven't had time to try it out yet but will report back when I get home. The csound opcode I've used myself is a modification of the original with signal input for cutoff (please find it attached). Signal input for both cutoff and resonance would of course be awesome. If anyone could compile a windows binary of this I would be very grateful. I use both winxp and ubuntu. /Anton

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Csound opcode Moogladder to Pd?
by Anton Hörnquist 27 Aug '08

27 Aug '08

> Here is a dll of Frank's moogladder~ v.02 compiled against pd 0.40_2 > The code should go in svn somewhere. > ( I replaced 2*M_PI in the code with TWO_PI to avoid a multiply > (compiler optimisation maybe does that already)). Thanks, Martin! Out of curiosity - what compiler did you use? I've never compiled externals on win xp but would like to learn how. Is it possible to use the free version of MS Developer Studio? Other alternatives? I'd like to try to make a stereo version of moogladder~ and also try tanh optimizations to reduce the cpu load. /Anton

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stereo vision
by olsen wolf 27 Aug '08

27 Aug '08

i posted this a few days ago i guess it didn't came through... > hi > i just got 2 logitech webcams at once running & started playing around with them. my curiosity is orbiting around computer stereo vision & construction of depth. is anyone > experienced with things like binocular disparity algorythm for stereo vision & might have some recommendations? as far as my nose dipped into research there's nothing within pds extensions?! > thanks for hints & salutis > olsen -- Planet Pluto bleibt!

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Csound opcode Moogladder to Pd
by Anton Hörnquist 27 Aug '08

27 Aug '08

> I now made a version where cutoff and resonance are signals. This > version is a bit more CPU intensive now, as some computations had to > move into the DSP loop to react to the changes in center frequency. Awesome! To my ears it sounds great - very close to the Csound-version. > I played a bit with a rational tanh approximation from the music-dsp > list but it didn't sound good anymore. If someone wants to play with > other approximations e.g. table lookup: Just change the function > "mytanh". Some optimizations are needed for reducing cpu load, true, I'll look into it. > The filter response gets nasty and loud if the center frequency is near > or above the sampling rate. Maybe it should be restricted as well. But > then, resonance at 1 will make everyone jump, too... Yeah I noticed that aswell. I think the Csound-version has cutoff restricted to 0...1, which is 0...11050 in hertz. Thanks again. /Anton

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(no subject)
by David Schaffer 27 Aug '08

27 Aug '08

Hello, Does anyone know the size limit of a 44.1k stereo wav file that "soundfiler" can handle? So far, I haven't been able to write more than 36562276 samples to a table (which represents 829 seconds of sound if I get it right). What can I do in order to be able to read larger files? Thank you. D.S http://www.flickr.com/photos/schafferdavid/ http://audioblog.arteradio.com/David_Schaffer/ _________________________________________________________________ Invite your mail contacts to join your friends list with Windows Live Spaces. It's easy! http://spaces.live.com/spacesapi.aspx?wx_action=create&wx_url=/friends.aspx…

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find formants from fft table
by Ricardo Dueñas Parada 26 Aug '08

26 Aug '08

Hi, I want to find the max values of a table what is the result of a fft. I tried using a counter and comparing manually, but it take too long, and I need to do it as fast as possible, without compromising audio processing. Do you know if there is some external what I can use to do that? I just need to do it one time for every block, or even less, I just want to know the formants of a sound (speech). Thanks. _Ricardo.

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Re: [PD] Csound opcode Moogladder to Pd?
by Mika Ristimäki 26 Aug '08

26 Aug '08

Hi, I once made some kind of implementation of the Moogladder filter to Pd. I never evaluated the implementation so I'm not sure if it really sounds as the Csound version or gives the same output as in the paper. It is kind of crude Pd code anyway. =) But I'll attach the patch here if you wan to give it a try? -Mika > Message: 2 > Date: Mon, 25 Aug 2008 22:49:11 +0200 > From: " Anton H?rnquist " <anton.hornquist(a)gmail.com> > Subject: [PD] Csound opcode Moogladder to Pd? > To: pd-list(a)iem.at > Message-ID: > <58a0928c0808251349r7decd8b8x7b113258f9915f73(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > I've used the Csound opcode Moogladder (based on an algorithm by Antti > Huovilainen) in Pd using csoundapi~. It uses a lot of cpu cycles but > it sounds really good. The csoundapi~ external is useful but it only > allows one instance per patch on windows so ideally I would like to > have this opcode as a Pd abstraction or external and get rid of the > csoundapi~ external. > > Is it possible to convert the Moogladder opcode to a Pd abstraction? > > Csound code: http://www.csounds.com/udo/displayOpcode.php?opcode_id=32 > > /Anton > > >

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Pd-list August 2008