Pd-list November 2002

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99 participants
141 discussions

RE: [PD] 1d cellular automata patch
by wwcarpen 13 Nov '02

13 Nov '02

well, i'm using gem ver 0_85 but the message "c:/pd/externs/gem/gem ... couldn't create" is trivial if you have the library open already. i had the object c:/pd/externs/gem/gem in the patch because it opens the gem library for me without using the -lib extension, it's really kind of strange that it works, while still sending an error command to the console. i'm going to attach a new zip where the grid patch already has the objects in it and hopefully it will solve the problem.

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RE: [PD] 1d cellular automata patch
by wwcarpen 13 Nov '02

13 Nov '02

seems to me like the code that puts the 1250 'subsquare' objects into the 'grid' patch never worked. maybe you didnt unzip the three files into the same directory? Also, make sure that PD is recognizing wwcarpenPD (or wherever the files are) as the current home directory. is anyone else having this problem? wwcarpen >hi wwcarpen, > >thx for sharing the patch. >when i load it i get 1250 errors like >error: 1241-y: no such object >error: 1242-y: no such object >error: 1243-y: no such object >error: 1244-y: no such object >error: 1245-y: no such object >error: 1246-y: no such object > >do u have a idea ? > >thx > >erich > >ps: i have gem and zexy

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RE: [PD] FAO edirol users. problems with Pd and edirol usb
by Wakefield Graham 13 Nov '02

13 Nov '02

I use UA-100, had no joy for a long time in getting it to work with PD, eventually abandoned ASIO as a no-goer and now get a latency around 80ms, with occaisional dropouts. Don't have another SC to compare if this is driver specific. -----Original Message----- From: David Sabine [mailto:dave@davesabine.com] Sent: 10 November 2002 03:43 To: nick(a)music.gla.ac.uk; pd-list(a)iem.kug.ac.at Subject: [PD] problems with Pd and edirol usb Hello Nick, I bought an Edirol UA-5 a few months ago and eventually returned it to the retailer (i took of that 30-day money back gaurantee because ultimately it wasn't the right product for my needs). Here's a breakdown of my experience with the interface: 1. If I started PD with the -noresync flag, I could eliminate SOME of the clicking noises. 2. I was never terribly successful using PD with ASIO with the Edirol interface. the UA-5 could only support ASIO drivers on either the input OR the output. So, If I stared PD with the -asio flag, then I had to also use either -nodac or -noadc. That was a real drag. (I don't know if the UA-1A supports simoultaneous INput and OUTput with the ASIO drivers.??) 3. Ultimately, I returned the product and bought a MOTU 2408mkII. It's about 2.5 times the price of the edirol unit..but I can use 24 input and output simoultaneously with ASIO --but on the downside, it doesn't have a mic pre-amp like the UA-5 had. I don't know if this helps you at all and I understand that you're using the UA-1A which is different than the UA-5..but I thought I'd share my experience anyway. Regards, Dave S

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Keyboard input upon startup
by Steven Kruyswijk 13 Nov '02

13 Nov '02

Hi all, I have a little problem with keyboard input; it only seems to work when the window containing the "key" object is selected/active. Unfortunately, upon startup of my pd patch, the windows command line window is always the active window, so the user first needs to click the patch window to have keyboard input. As my patch is meant to be used by blind users, it would be great if they didn't have to Alt-Tab to that window. Does anyone know about a method to let a specific patch window be automatically active upon startup? Some command line option maybe? Thanks alot, Steven Kruyswijk

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Netsend Jitter Elimination - update
by Steven Kruyswijk 13 Nov '02

13 Nov '02

Hi all, For our little music-for-the-blind multi-user pd sequencer, we've come up with the following method for pretty reliable syncing of two computers over a network. It's pretty crude, but it works: Each computer has its internal sequencer engine, simply driven by a metro (there are no tempo changes). In the case of two computers, one is the master synchronizer and the other the slave; if the master receives a start message from the user, it starts its metro and sends a start-bang over to the client using netsend; the client also starts its metro upon receive of this bang, and sends a bang back to the master. The master then measures the delay between the outgoing and incoming bang, and if it's too large (for instance greater than 1 ms), another start-bang is sent. If it's OK, the two computers just keep on playing. This process can take several bangs until the computers are in acceptable sync, and it reminds us somehow of a car engine starting, which is rather funny. There is no verification of the sync during playback, so if the two clocks of the master & slave would somehow drift apart, the users would have to fire up the system again. This is not a problem in our specific case. Greets, Steven

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Help!! RealTime sampler
by matthew jones 13 Nov '02

13 Nov '02

Hi, I've been looking at building a real-time sampler for a while and finally ended up (today) looking at Max/Pd. I was originally going to use a DSP board since I had all software written for it but the prices quoted were just ridiculous... So what can Pd do? I need a multichannel sampler (capable of sampling any/all 16 channels of my soundcard simultaneously without any clicktrack). Obviously I'd be looking at, at least, editing or modifying existing code since what I describe does not exist at the moment, but I need to make sure Pd can:- (a) access the soundcard inputs/outputs (I have Midiman 10/10') (b) have little or no latency (<5ms??) (c) ideally have access to each sample as it arrives, so I can write a routine in C that does the appropriate buffering/sorting also, I'm not sure whether I need a Mac or whether the Windows version would satisfy the low-latency criteria. is ASIO compatibility available in Pd? any help GREATLY appreciated. thanks! Matt

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Re: [PD] latency xp
by Josh Steiner 13 Nov '02

13 Nov '02

what sort of sound hardwre are you using? does it have ASIO drivers, and if so, are you telling PD to us them? ASIO is pretty much the only way to get truely low latency on pd for windows. On Mon, 11 Nov 2002, João Miguel Pais wrote: > Hello, > > I'm trying to set a live-patch, with adc feed, and I'm coming with some > latency questions. It is in the moment at 200ms (quite a lot). The system is > xp, 900Mhz, v.35 t26, with lots of libs. > Is there any method of reducing the latency, or just use the least memory as > possible? > > Thank you, > > João Miguel Pais > > > > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.kug.ac.at > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list > ___________________________________________________ Josh .. Yoshi .. Joschi .. http://mp3.com/vitriolix

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abstraction's knowledge of parent's path
by David McCallum 13 Nov '02

13 Nov '02

Is there any way for an abstraction to know the path of its parent? Like if the abstraction wanted to save a file in its parent's path? David . . David McCallum . Music wants to be free . http://mentalfloss.ca/sintheta/ .

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OSX Pd seems fixed
by Ryan Gallagher 12 Nov '02

12 Nov '02

Well, I'm very happy to announce... pd-0.36-test5 and Tcl/Tk 4.8.1 fixes slow mouse input with number boxes... thanks a ton all for the advice. Now to start learning and patching things together... later, ryan __________________________________________________ Do you Yahoo!? U2 on LAUNCH - Exclusive greatest hits videos http://launch.yahoo.com/u2

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Portaudio question/problem
by David Sabine 12 Nov '02

12 Nov '02

Hi All, Portaudio crashes on my computer when I use PD. (But only about 1 in 10 tries). I can use PD almost free of errors, but 10% of the time - give or take 50% - PD crashes when I execute pd.exe with the -asio flag. I've been quiet about this problem because I wasn't certain of the cause. But I KNOW FOR CERTAIN that it's Portaudio. My computer: Windows XP Service Pack 1 MOTU 2408mkII PD 0.35 test 4 (but the problem has been occuring on my computer for months - since approx 0.26 when I started using PD with -asio) I thought perhaps PD was causing the problem...but after some investigation I realized that I can produce the exact same problem when I execute the following Portaudio Diagnostic executables: available at http://www.portaudio.com/downloads.html (Windows ASIO package) pa_fuzz.exe (1 in 3-5 attempts) pa_devs.exe (1 in 3-5 attempts) patest_sine.exe (1 in 3-5 attempts) patest_multisine.exe (0 in 40 attempts) did NOT cause the problem even after 40 or so attempts. With each error, I can see in the Windows Error Report that the AppName (any of the above) caused a problem in module named "PCI-324 ASIO.drv" (which is the Mark of the Unicorn proprietary ASIO driver software.) The MOTU drivers works without flaw in other applications on my computer. SO MY QUESTION IS: Does PD 0.35 test 4 use the latest version of the Portaudio software? If NO, then has the newer version been tested? If YES, then should this error report go to the Portaudio email list? Many thanks Regards, Dave Sabine

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Pd-list November 2002