Pd-list May 2003

pd-list@lists.iem.at

151 participants
243 discussions

Re: [PD-announce] pvoc~ 0.1
by Michael Iber 12 May '03

12 May '03

Hi Ben, nice work. I have been thinking about doing something like this myself, but my C-facilities are probably too basic, I guess. I am very impressed about the performance advantage to the MSPuckette-abstraction (phaselockedvocoder). Your external only takes about 20% of the abstraction. On the other hand, I find the abstraction sounds slightliy better. Can this be true, or is it psychological? I have a couple of questions: What is the reason using a fader for the locking like you are doing in the help patch? What does the transient parameter do? What is a transient, how do I recognized it? In your example I couldn't hear any difference to using no transients. You are using the FFTW_ESTIMATE-flag of FFTW, what would be the advantage using the FFTW_MEASURE one in this particular case? Thanks and regards, Michael At 14:06 10.05.2003, you wrote: >pvoc~ is a phase vocoder external that provides independent control of >the playback position within the sound and pitch transposition via two >control inlets. It features adjustable phase locking and transient >de-smearing (given a list of manually determined transient positions). >In the future it may incorporate other enhancements, such as >independent processing of peaks and noise. > >One advantage over an abstraction-based PV is that the delay of the >output doesn't depend on the FFT size, so it's more immediately >responsive. Hopefully it's also a little more efficient, but I haven't >tested it yet for efficiency. > >pvoc~ requires FFTW 3. It has not been tested yet on anything other >than Debian unstable on Intel. Here's a direct URL, but it will only >be there temporarily because I'm graduating soon and losing my web >space.. > >http://www.macalester.edu/~bsaylor/pvoc~-0.1.tar.gz > >Comments, suggestions, and code welcome. :) > >Ben > >_______________________________________________ >PD-announce mailing list >PD-announce(a)iem.kug.ac.at >http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-announce Michael Iber http://www.iberspace.de mailto:mail@iber-online.de

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midi loopback with pd
by Matthew Nish-Lapidus 12 May '03

12 May '03

hi, does anybody know of a good midi loopback driver for osx that works with pd? matt.

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ggee for windows?
by Josh Steiner 11 May '03

11 May '03

does anyone have a compiled .dll for ggee? the last one i could find on the net was in ggee-0.16.tar.gz <ftp://xdv.org/pub/gige/ggext/ggee-0.16.tar.gz> and at least the [state] object from that package doesnt play nicely with pd 0.36 thanks -Josh -- ____________________________________________________ independent u.s. drum'n'bass -- http://vitriolix.com

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Re: [PD] transpose
by derek holzer 11 May '03

11 May '03

yeah, that is the idea. have a look at Thomas Musil's patch that i sent, as he found the most elegant way of dealing with it: two variable delays that [as far as i understand] crossfade against each other while they lengthen or shorten, so that when the buffer of one runs out, it has already crossfaded to the other where it picks up again. smaller vd~ sizes are good for higher input frequencies, but lower input frequencies will need a bigger buffer to keep from "granulating" them. at least this is how it was explained to me :-) d. Pixelcorrection(a)wmconnect.com wrote: > So would you adjust the pitch using vd~ by raising and lowering the > delay time by putting an input signal into the delaywrite~ buffer?

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PortAudio/ALSA/Jack with 0.37 (CVS)
by Frank Barknecht 11 May '03

11 May '03

Hallo, I see, that Guenther is checking in 0.37 into CVS, so I'm giving it a try (Linux). I've several questions regarding the changed audio/midi subsystem. I built pd with "--enable-alsa" and "--enable-jack" still, but the startup options "-alsa" and "-jack" don't work anymore. I see that portaudio is used while compiling with these defines: "-DUSEAPI_PORTAUDIO -DPA_USE_OSS ... -DUSEAPI_OSS" Those can not be changes with configure-options, it seems. I then ./configured in portaudio to use jack and Alsa, but it wouldn't compile. Do I have too old a jack version? Even with ALSA only I get several errors, but only in the "tests" which I uncommented in the portaudio-makefile then. Now Pd gives errors while linking, even if I use "-DUSEAPI_PORTAUDIO -DPA_USE_ALSA ... -DUSEAPI_ALSA". So: Does anyone here know, how I can Pd 0.37 get to use ALSA or even JACK? OSS-emulation in ALSA does not work correctly on my laptop with a USB-audio device. Would (or will) it be possible to compile with both PA_ALSA and PA_JACK and can I change at runtime, which one to use? Or will the old Alsa (or Jack) work again? ciao -- Frank Barknecht _ ______footils.org__

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pd + jack compile
by derek holzer 11 May '03

11 May '03

quick question: when compiling PD under Linux, must one specify that it should compile with Jack support? if so, what is the additional configuration argument? thx, d.

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re: [PD] experiment / ggee
by Peter Todd 11 May '03

11 May '03

Here is state.dll; the whole of ggee is quite big for posting - there seems to be something up with Guenter's website.

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Fw: [PD] [ot] Guinnea pigs wanted for five minute pd experiment
by Peter Todd 11 May '03

11 May '03

----- Original Message ----- From: "Peter Todd" <peter_todd82(a)yahoo.co.uk> To: "Josh Steiner" <josh(a)vitriolix.com> Sent: Sunday, May 11, 2003 8:02 PM Subject: Re: [PD] [ot] Guinnea pigs wanted for five minute pd experiment > > > the package seems to be missing the [moog~] object > > That's pretty much redundant, in fact. Here it is, anyway. >

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[ot] Guinnea pigs wanted for five minute pd experiment
by Peter Todd 11 May '03

11 May '03

Hello list, I'm conducting a basic experiment into the relationship between harmony and rhythm. Please see inside the attached patch for more details, you will need state from ggee for it to work properly, and at least pd-0.36 (I think). I'm running characteristically late for an assignment, so would appreciate responses in the next two days, but would still be interested to hear back from people after that. Many thanks, Peter

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VST
by Matthew Nish-Lapidus 11 May '03

11 May '03

hi, i know i'm rehashing an old conversation here... but... is anybody still working on making pd a VSTi or VST effect plugin? i remember at some point there was somebody who said he was working on this.. but then i never heard anything again. matt. www.ekran.org

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Pd-list May 2003