[PD] chronometer + metronome that syncs multiple Android/iOS devices over network?

Tue Mar 5 22:03:45 CET 2019

Hi Enrike,

Im not sure of your setup but should you have access to a gps signal you
could use it to sync all devices... I think.

Good luck!

On Tue, Mar 5, 2019 at 09:09 <pd-list-request at lists.iem.at> wrote:

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> Today's Topics:
>
>    1. chronometer + metronome that syncs multiple Android/iOS
>       devices over network? (enrike)
>    2. Gem 0.94 - camera settings on windows ... (oliver)
>    3. Re: chronometer + metronome that syncs multiple Android/iOS
>       devices over network? (Antoine Rousseau)
>    4. [PD-announce] Purr-Data Google Summer of Code opportunity
>       (Ivica Bukvic)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 5 Mar 2019 17:18:41 +0100
> From: enrike <altern2 at gmail.com>
> To: Pd-List <pd-list at lists.iem.at>
> Subject: [PD] chronometer + metronome that syncs multiple Android/iOS
>         devices over network?
> Mesase-ID: <221516eb-2850-68f1-50e9-aba36f46642a at gmail.com>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> hi all
>
> We need a chronometer that runs in sync in multiple devices at the same
> time. Target platform is android, and if possible iOS as well. We are
> thinking also that it would be great to have some sort of metronome
> running together with the chronometer (we have trained musicians
> together with non trained musicians in the ensemble).
>
> So far we have been using http://chronograph.io/ so far but it is not
> 100% reliable, we had a few issues last performance (one device was ~1
> sec behind the others, and often during rehearsals we had problems with
> the start signal not being sent at all).
>
> I am considering the possibility of implementing this functionality in
> PD using PDdroidparty and OSC. Because we dont like the tools we have
> found online. We found some nice metronomes but the only one that seems
> to sync is only iOS. And we do need the chronometer (in fact priority n1
> is the chronometer right now). I thought maybe someone can point into
> some existing alternative before I try to reinvent the wheel.
>
> One of the biggest issues I foresee is to find an easy and quick way for
> the master device to find out the available slaves in the network. I
> would not like to have to, one by one, find and then type the IPs of
> each single device in the master device, although the master could be a
> laptop running PD and that would make it easier to type them...
>
> thanks in advance for any feedback
>
> enrike
>
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 5 Mar 2019 18:33:48 +0100
> From: oliver <oliver at klingt.org>
> To: "pd-list at mail.iem.at" <pd-list at mail.iem.at>
> Subject: [PD] Gem 0.94 - camera settings on windows ...
> Message-ID: <08ee7229-37b0-3bb1-e2c6-dc42186d4b32 at klingt.org>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> hi,
>
> i am trying to make a patch involving a live camera on PD 0.49.0 (64bit)
> with Gem 0.94_pre1 (64bit) on a windows 7/64bit machine.
>
> so far everything works alright, but i can't set the camera resolution !
>
> unfortunately the default resolution is 160x120, which is pretty
> useless. so far i found no way to change that resolution, the "dimen"
> message does nothing and setting width/height via the props method also
> doesn't work.
>
>
> now here's another strange thing: with PD 0.48 and Gem 0.93 (both
> 32bit), when i opened the camera dialog (with the "dialog" message to
> [pix_video]), 2 windows opened: 1 for the camera driver settings
> (brightness, contrast, exposure etc.) and 1 for the resolution.
>
> so with the fomer (32bit) version of Gem i COULD set the camera
> resolution to the desired dimension.
>
> however, sending "dialog" to [pix_video] in the 64bit version described
> above, i only get 1 window, the one with the driver properties (which
> btw i can also set via the "props" method)
>
> can anybody help me in this regard ? is there a workaround to manually
> set the camera's resolution ?
>
> unfortunately i need the 64bit version of Gem because of the amount of
> RAM i need (i record video frames over some peroid of time, and the
> 32bit version is limited for my needs). plus the 32bit version doesn't
> work (i already reported that to the list)
>
> thanks for any hints
>
> best
>
> oliver
>
>
> --
> \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
> /////////////// http://pendler.klingt.org //////////////
> \\\\\\\\\\\\\\\ http://oliver.klingt.org  \\\\\\\\\\\\\\
> ////////////////////////////////////////////////////////
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 5 Mar 2019 19:10:43 +0100
> From: Antoine Rousseau <antoine at metalu.net>
> To: Pd-List <pd-list at lists.iem.at>
> Subject: Re: [PD] chronometer + metronome that syncs multiple
>         Android/iOS devices over network?
> Message-ID:
>         <CAOCG5HyfHyZoGkPdCbC5mvFNJErFJ=EN9HQ-BmMsr46=
> gn6GKQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Enrike,
>
> you'll probably find that syncing many devices together (especially via a
> wifi network) is a rather difficult task.
> Many parameters can make it complicated, above all network latency and
> device latency. Network latency is often quite variable and unpredictable,
> and the same goes for audio latency on Android.
>
> That said, it seems that the best solution currently is Ableton Link (
> https://www.ableton.com/en/link/), which is a GPL cross-platform library
> and protocol.
> It is implemented to Pd through the [abl_link~] object (available from
> Deken for most platforms).
>
> In some case where [abl_link~] wouldn't work (I had crashes on a
> raspberryPi), you can use Carabiner which provides a network socket to
> Link:
> https://github.com/Deep-Symmetry/carabiner
>
> good luck!
>
>
> Le mar. 5 mars 2019 à 17:18, enrike <altern2 at gmail.com> a écrit :
>
> > hi all
> >
> > We need a chronometer that runs in sync in multiple devices at the same
> > time. Target platform is android, and if possible iOS as well. We are
> > thinking also that it would be great to have some sort of metronome
> > running together with the chronometer (we have trained musicians
> > together with non trained musicians in the ensemble).
> >
> > So far we have been using http://chronograph.io/ so far but it is not
> > 100% reliable, we had a few issues last performance (one device was ~1
> > sec behind the others, and often during rehearsals we had problems with
> > the start signal not being sent at all).
> >
> > I am considering the possibility of implementing this functionality in
> > PD using PDdroidparty and OSC. Because we dont like the tools we have
> > found online. We found some nice metronomes but the only one that seems
> > to sync is only iOS. And we do need the chronometer (in fact priority n1
> > is the chronometer right now). I thought maybe someone can point into
> > some existing alternative before I try to reinvent the wheel.
> >
> > One of the biggest issues I foresee is to find an easy and quick way for
> > the master device to find out the available slaves in the network. I
> > would not like to have to, one by one, find and then type the IPs of
> > each single device in the master device, although the master could be a
> > laptop running PD and that would make it easier to type them...
> >
> > thanks in advance for any feedback
> >
> > enrike
> >
> >
> >
> > _______________________________________________
> > Pd-list at lists.iem.at mailing list
> > UNSUBSCRIBE and account-management ->
> > https://lists.puredata.info/listinfo/pd-list
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> ------------------------------
>
> Message: 4
> Date: Tue, 5 Mar 2019 13:16:02 -0500
> From: Ivica Bukvic <ico at vt.edu>
> To: pd-announce at iem.at
> Subject: [PD] [PD-announce] Purr-Data Google Summer of Code
>         opportunity
> Message-ID:
>         <CAJrgGba4TxHt+jt7F52y5VUE8rq4uJ=
> eXv8kRYMM_e5u7u+hqw at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Greetings fellow Pd enthusiasts,
>
> As some of you may be already aware, ast year the Purr-Data (a.k.a.
> Pd-L2Ork v2) was adapted to support native 64-bit operations. We are
> pleased to report that Purr-Data was once again selected this year as one
> of the GSoC projects. This means more opportunities to engage and help
> further the platform. Ideas for this year are plentiful, ranging from core
> infrastructure (C) development to patching and front-end development,
> including porting Pd-L2Ork's K12 learning module that has seen its
> utilization in dozens of Maker camps over the past 7 years.
>
> If interested, please contact Jonathan and/or me to explore potential
> projects and to discuss the next steps in the application process.
>
> Best,
>
> Ico
>
> --
> Ivica Ico Bukvic, D.M.A.
> Director, Creativity + Innovation
> Institute for Creativity, Arts, and Technology
>
> Virginia Tech
> Creative Technologies in Music
> School of Performing Arts – 0141
> Blacksburg, VA 24061
> (540) 231-6139
> ico at vt.edu
>
> www.icat.vt.edu
> www.performingarts.vt.edu
> l2ork.icat.vt.edu
> ico.bukvic.net
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