Pd-list May 2020

pd-list@lists.iem.at

46 participants
55 discussions

13 May '20

Hi list, anyone has a recent windows libpd.dll to share? Seems like I was too scroogy on the size of the windows partition and now I can't install the huge msys2 necessary for compilation. thanks m.

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live audio broadcast (radio) to lan with low latency
by Marco Schretter 12 May '20

12 May '20

dear list, i'm thinking about the following (corona)performance-situation without any good solution by now: live performance situation where (an arbitrary no. of) people on the street can pass by and listen somehow to the performance live audio in 'realtime' with their mobile devices. the performers are eg. behind a window or on a distant stage, so some of the live-sound will be audible to the listeners too. that's why the system solution should have a low latency. the situation can also be considerated similar to a drive-in cinema. i tried streaming with pd [mp3cast~] / [oggcast~] to an icecast server and listen to the signal on the lan with a browser but the latency is hell (device dependent, browser dependent, no control of buffers on receiver etc)...4000ms :-( . also other streaming solutions had quite a big latency. another thought is to use ukw/fm radio transmission but i cannot expect people on the street to know how to receive ukw/fm radio with their phones. buying an event-licence for fm radio would only make sense if the listeners come by car. not my case. silent disco systems also work (already tried this) but in corona times this is not hygenic and for me not possible to have so many receiver-headphones for an arbitrary number of listeners. connecting to a 'performance'-WLAN for the users with their mobile device would be best. access should be easy - the users really can be anyone, so maybe without any tech-knowledge. browser-based would give access to anyone. i'm thinking about a realization similar to the sennheiser connect system which distributes several audiostreams on a wlan. sennheiser connect is app-based and in worst-worst-case (means android) the system seems to have approx. 200ms delay. ios was faster in my listening tests. the problem is that the users need an app which means internet access for the installation... questions: ideas for a realization? how 'low-latency' could a browser based streaming in a lan/wlan be? would it be possible to receive AoO Audio over OSC? the question here is the receiver ?app? (webPD?). as i found out several artists and audioengineers would be happy about a solution for this: how to reach the audience in a social distancing live-situation... thanks for any hint m

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Re: [PD] pd crashes on reopening file with out of scope coordinates
by Dan Wilcox 11 May '20

11 May '20

It's good to check the issues on Github: https://github.com/pure-data/pure-data/issues/670 <https://github.com/pure-data/pure-data/issues/670> The short answer is that it is a Tcl/Tk problem. The long answer is that this was something that was fixed for a while, then macOS updated and it broke in Tk again. Tk development is a bit behind on macOS and it's difficult to keep in sync as Pd requires an older version of Tk to support old versions of macOS back to 10.6. Fixing this will require yet another manual patch to the Tk 8.5 source code which I cannot even build on my macOS 10.14 system any more. > On May 9, 2020, at 12:00 PM, pd-list-request(a)lists.iem.at wrote: > > Message: 3 > Date: Fri, 8 May 2020 19:35:28 +0200 > From: "Josef (Seppo) Gruendler" <seppo(a)mur.at <mailto:seppo@mur.at>> > To: pd-list(a)lists.iem.at <mailto:pd-list@lists.iem.at> > Subject: [PD] pd crashes on reopening file with out of scope > coordinates > Message-ID: <BD2C1A0A-D89A-4EF5-BFF4-F26E10598BC7(a)mur.at <mailto:BD2C1A0A-D89A-4EF5-BFF4-F26E10598BC7@mur.at>> > Content-Type: text/plain; charset="utf-8" > > Hopefully this had not been mentioned before, but didn't find something about this: > Tested under Windows 10 and OSX 10.14 and 10.15 and pd 50.02 > > If a patch is edited it witha second Display attached and this is missing later on and the patch contains negative coordinates like: > #N canvas -1374 447 879 555 10; > pd crashes on osx and the file does not open on windows 10 (at least not my and my students machines) > If we edit it to something existing like #N canvas 50 50 879 555 10; it works fine. > Don’t know if this is a tkl/tk or pd problem ? > > best > Seppo > ---------------------------------------------------------------- > Be green keep it on the screen! > Josef (Seppo) Gruendler -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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Re: [PD] live audio broadcast (radio) to lan with low latency
by jayrope 11 May '20

11 May '20

I haven't tried it myself, however a friend recommended Soundjack. He is currently testing it for ultra low latency radio situations on Leipzig's Sphere Radio: https://www.soundjack.eu/index.php/problems Maybe it helps. On 05/11/20 10:50, pd-list-request(a)lists.iem.at wrote: > Re: live audio broadcast (radio) to lan with low latency > (Peter P.) -- jayrope +++ jayrope.com aircushionfinish.com kliklak.net

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log formulas in iemguis and log height for nbx
by Alexandre Torres Porres 10 May '20

10 May '20

Hi, I'm revising the documentation of iemguis, and I stumbled upon this "log_height" parameter in nbx's properties that I never noticed. By the way, the help file of nbx doesn't mention it and it's just a faithful copy of sliders (cause it even includes the non accepted message "steady"). Well, I never really fully understood the log formulas in iemguis, and I think it'd be good to tell what it is in the help file, specially to explain how this log height parameter works for nbx. Help please? I opened a github issue for it by the way https://github.com/pure-data/pure-data/issues/993 cheers

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pd crashes on reopening file with out of scope coordinates
by Josef (Seppo) Gruendler 09 May '20

09 May '20

Hopefully this had not been mentioned before, but didn't find something about this: Tested under Windows 10 and OSX 10.14 and 10.15 and pd 50.02 If a patch is edited it witha second Display attached and this is missing later on and the patch contains negative coordinates like: #N canvas -1374 447 879 555 10; pd crashes on osx and the file does not open on windows 10 (at least not my and my students machines) If we edit it to something existing like #N canvas 50 50 879 555 10; it works fine. Don’t know if this is a tkl/tk or pd problem ? best Seppo ---------------------------------------------------------------- Be green keep it on the screen! Josef (Seppo) Gruendler

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Trailing zeros after decimal points in comments truncated?
by Dan Wilcox 09 May '20

09 May '20

This is well known. What is happening is that the space-separated words are evaluated by Pd's parser and anything that is a number, whether in a comment or object is evaluated as a number, so the trailing 0 is dropped as 0.50 == 0.5. There is no other workaround other than forcing the number into a string such as "v0.50" etc. What is required is selective evaluation within the parser, ie. don't parse numbers for things like a "comment" when reading files. > On May 9, 2020, at 12:00 PM, pd-list-request(a)lists.iem.at wrote: > > Date: Fri, 8 May 2020 17:04:40 +0200 > From: "Peter P." <peterparker(a)fastmail.com <mailto:peterparker@fastmail.com>> > To: pd-list <pd-list(a)lists.iem.at <mailto:pd-list@lists.iem.at>> > Subject: [PD] Trailing zeros after decimal points in comments > truncated? > Message-ID: <20200508150440.2hvoiblvgx6pz4vu(a)fastmail.com <mailto:20200508150440.2hvoiblvgx6pz4vu@fastmail.com>> > Content-Type: text/plain; charset=us-ascii > > Hi, > > and please excuse me if this is known, but I have discovered that > writing a comment such as > works with Pd 0.50 > into a patch, saving, closing and reopening it will truncate the > trailing zero hence yielding > works with Pd 0.5 > I understand that the underlying logic might be the same as for other > mechanisms, but is there a possible fix or workaround? > > cheers, P -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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Trailing zeros after decimal points in comments truncated?
by Peter P. 09 May '20

09 May '20

Hi, and please excuse me if this is known, but I have discovered that writing a comment such as works with Pd 0.50 into a patch, saving, closing and reopening it will truncate the trailing zero hence yielding works with Pd 0.5 I understand that the underlying logic might be the same as for other mechanisms, but is there a possible fix or workaround? cheers, P

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Javascript on PD
by Vinicius Cesar 07 May '20

07 May '20

Hi everyone, I was looking for some PD external that load javascripts, like mxj or js on Max. I found pdj, but it seems doesn't work on PD vanilla. Anyone knows some library that do this? All the best, Vinicius

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big number ji like pacman level 256
by Billy Stiltner 07 May '20

07 May '20

hey when trying to parse this scale !MOS_13th_harmonic_10ji.scl ! 13/8 13th harmonic generator=13/8 period=2/1 ! 10 ! 2197/2048 4826809/4194304 10604499373/8589934592 169/128 371293/262144 815730721/536870912 13/8 28561/16384 62748517/33554432 2/1 you will notice that the numerator and denominator of 10604499373/8589934592 are larger than 1+(2^31) so the ratio will suffer from 32 bit error if I upgrade to the newset version of pd will it be able to handle 64 bit integers?

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Pd-list May 2020