Pd-list October 2009

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143 participants
207 discussions

Re: [PD] multi-pc synchrony
by Hans-Christoph Steiner 08 Oct '09

08 Oct '09

If you use some kind of time-tagging, which some implementations of OSC support, then you add add a bit of latency to the whole system and use that to reduce the inter-machine latency. The basic idea is that each message has a time tag that marks when that message should take effect. Then you put that time tag 20ms in the future when you send it, every machine should have it within 20ms, and then they'll all execute the message at the same time. .hc On Oct 8, 2009, at 6:27 AM, Brian FG Katz wrote: > Dear PD-ers, > > We are working on an installation with 4 machines running PD to feed > 157 > loudspeakers. We are interested in reducing latency to a minimum > between > channels, and especially between machines. The inter-channel latency > in less > than a sample, so all is fine there. For inter-machine latency, we > arrive at > differences on the order of 10msec, close to our minimum audio- > buffer length > of 11msec. Any small audio-buffer and we get audio artifacts. > > We are using a word clock synchronizer (Nanosyncs HD; Rosendahl), > but I > don't think that does latency synchronization. > > My question, is there another means to improve inter-machine latency > performance other than reducing the audio-buffer? > > -Brian > --- > Brian FG Katz, Ph.D > Audio & Acoustique > LIMSI-CNRS > BP 133 > F91403 Orsay > France > tel. (+33) 01 69 85 81 55 > fax. (+33) 01.69.85.80.88 > e-mail Brian.Katz(a)limsi.fr > web_theme: http://www.limsi.fr/Scientifique/aa/thmsonesp/ > web_group: http://www.limsi.fr/Scientifique/aa/ > > > > > _______________________________________________ > Pd-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list ---------------------------------------------------------------------------- Information wants to be free. -Stewart Brand

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Cubemixer installation help
by Konstantinos Benardis 08 Oct '09

08 Oct '09

Hi all, I am trying to install Cubemixer (i´ve tried both 1.0 and 3.0 versions) but i can not find the makefile in /src as the installation guide says. Is there another way to install it? Thank you

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multi-pc synchrony
by Brian FG Katz 08 Oct '09

08 Oct '09

Dear PD-ers, We are working on an installation with 4 machines running PD to feed 157 loudspeakers. We are interested in reducing latency to a minimum between channels, and especially between machines. The inter-channel latency in less than a sample, so all is fine there. For inter-machine latency, we arrive at differences on the order of 10msec, close to our minimum audio-buffer length of 11msec. Any small audio-buffer and we get audio artifacts. We are using a word clock synchronizer (Nanosyncs HD; Rosendahl), but I don't think that does latency synchronization. My question, is there another means to improve inter-machine latency performance other than reducing the audio-buffer? -Brian --- Brian FG Katz, Ph.D Audio & Acoustique LIMSI-CNRS BP 133 F91403 Orsay France tel. (+33) 01 69 85 81 55 fax. (+33) 01.69.85.80.88 e-mail Brian.Katz(a)limsi.fr web_theme: http://www.limsi.fr/Scientifique/aa/thmsonesp/ web_group: http://www.limsi.fr/Scientifique/aa/

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HID - send analog on/off to hid device
by Ingo Scherzinger 08 Oct '09

08 Oct '09

Hi, does anybody know if it is possible to send "analog on/off" to a hid device? If yes - how? Thank you, Ingo

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Re: [PD] HID - send analog on/off to hid device
by Hans-Christoph Steiner 07 Oct '09

07 Oct '09

You need to find that command, if it is USB HID, it would be a "Usage Page/Usage" in USB HID speak. Then its usually easy to send it. A command line program would also just send the command using the USB HID Usage Page/Usage command sequence. .hc On Oct 7, 2009, at 12:06 PM, Ingo Scherzinger wrote: > I only need to turn on “analog mode” after starting the (PS2 / USB) > game controller in the beginning when started. > Maybe there is a command I could send with [shell]? > > Ingo > > Von: Hans-Christoph Steiner [mailto:hans@at.or.at] > Gesendet: Mittwoch, 7. Oktober 2009 17:07 > An: Ingo Scherzinger > Cc: pd-list(a)iem.at > Betreff: Re: [PD] HID - send analog on/off to hid device > > > It is possible to do some output with [usbhid] and [hidio], both of > which exist really only in source in SVN. And you will have no luck > on Windows, and mixed luck on GNU/Linux and Mac OS X (i.e. some > things work on one platform but not the other). > > Which type/page/usage do you want to send? > > .hc > > On Oct 7, 2009, at 10:52 AM, Ingo Scherzinger wrote: > > > Hi, > > does anybody know if it is possible to send “analog on/off” to a hid > device? If yes – how? > > Thank you, Ingo > _______________________________________________ > Pd-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > > > ---------------------------------------------------------------------------- > > The arc of history bends towards justice. - Dr. Martin Luther > King, Jr. > > > ---------------------------------------------------------------------------- "Free software means you control what your computer does. Non-free software means someone else controls that, and to some extent controls you." - Richard M. Stallman

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Re: [PD] "computer music" WAS: Re: Pd at a livecoding event on the BBC
by Fernando Gadea 07 Oct '09

07 Oct '09

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[PD-announce] 5th year - Composing with Pure Data ws in Sound in New Media curriculum
by Koray Tahiroglu 07 Oct '09

07 Oct '09

hi all, Next week I will teach Composing with Pure Data course at Media Lab Helsinki and I would like to proudly announce that it has already been one of the advanced studies in the curriculum since five years for both MA and DA students. Each year this course received a growing amount of attention which resulted in using Pd in student master thesis, relevant projects and live performances. As Pd environment evolved over the years, course curriculum also updated itself. Besides the regular Sound - Image - Network - Physical modules, this year I will introduce RjDj and involve OpenCV examples in the Image module. This course also increased the attention to the open source environments in new media studies and applications. There is no doubt that Pd community deserves the warmest thanks for the success of this course :) cheers, Koray ------------------------------------- M.Koray Tahiroglu Acoustics Lab / TKK http://mlab.taik.fi/~korayt/ http://www.acoustics.hut.fi/~ktahirog/ tel: +358 45 233 6272 _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] [PD-announce] 5th year - Composing with Pure Data ws in Sound in New Media curriculum
by Koray Tahiroglu 07 Oct '09

07 Oct '09

hey Yves, I talked to Tara this week, she was very happy to get into pure data again with your workshop. Videos from Baltan workshop look impressive. I will deliver your greetings. Koray On Oct 6, 2009, at 5:14 PM, pd-list-request(a)iem.at wrote: > Message: 8 > Date: Tue, 06 Oct 2009 16:14:31 +0200 > From: "ydegoyon(a)gmail.com" <ydegoyon(a)gmail.com> > Subject: Re: [PD] [PD-announce] 5th year - Composing with Pure Data ws > in Sound in New Media curriculum > To: pd-list(a)iem.at > Message-ID: <4ACB50C7.1000206(a)gmail.com> > Content-Type: text/plain; charset=us-ascii; format=flowed > > hey koray, > > tara and nico studying there already made the fruit detector > with pdopencv : > http://91.121.134.23/dmmdb/index.php?channel=pdopencv > > ( a note here : giss.tv is temporarily unavailable, > that's why i use the ip ) > > greets to them! > sevy ------------------------------------- M.Koray Tahiroglu Acoustics Lab / TKK http://mlab.taik.fi/~korayt/ http://www.acoustics.hut.fi/~ktahirog/ tel: +358 45 233 6272

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starting the release cycle for Pd-extended 0.42
by Hans-Christoph Steiner 07 Oct '09

07 Oct '09

Hey all, Since there is the serious GUI bug with Pd 0.41, including Pd-extended 0.41.4, I think it would be good to start the release process for Pd- extended 0.42 now. If you are planning on adding a library to Pd- extended (pdmtl?), or making substantial changes (pdp+cv?), then we should coordinate to make sure that stuff goes smoothly. This is the wiki page for tracking what has changed and what needs doing for the next release. Please add things that need doing, and anything that has changed. http://puredata.info/dev/NextRelease Getting this done sooner also means that Pd-extended can be merged with the pd-gui-rewrite code sooner. :D .hc ---------------------------------------------------------------------------- kill your television

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Call for expository/teaching projects for potential cultural schedule after april 2010 near Barcelona
by donotreply 07 Oct '09

07 Oct '09

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Pd-list October 2009