Thats pretty impressive Richard - I would definately consider this system
in future for indoor stuff. In terms of interactive and automation - I do
that in MaxMSP mostly - so we have things like an accelerometer on your
hand and wherever you point there is a sound etc etc - you also have a map
of the speakers and pan around that map (using Dbap basically) - Ive seen a
lot of third party systems that do automation etc - but I am already pretty
happy with max for interactive 3D audio - theres nothing Ive found I
couldnt do yet ! But I guess I could integrate max easily enough with the
AVB system.

On 29 June 2017 at 22:28, Richard Foss <r.f...@ru.ac.za> wrote:

> One other thing - you mentioned wanting to move audio channels in real
> time - you can move up to 32 channels around in the speaker space, using a
> client-server program called Immergo. The server runs on the Mac and the
> client on the Mac or a remote tablet - its web browser based, so you type
> in a URL. You successively select tracks and move them around a
> representation of your speaker space. You can record and play back the
> movements. The movements are realized via mixer matrices in the speakers.
>
> So its two different approaches you can use - pre-prepared channels with
> movement incorporated (guess you would use the terminology ‘bed channels’)
> or channels that can be moved via the mixer matrices (object audio style),
> where metadata containing time stamped 3D coords is recorded.
>
> Richard.
>
> > On 29 Jun 2017, at 10:52 PM, Richard Foss <r.f...@ru.ac.za> wrote:
> >
> > That’s correct Augustine - just the Ethernet out the Mac. That will go
> into an Ethernet AVB compliant PoE+ switch (extreme, netgear etc).
> >
> > The SPK-4Ps will be connected to other ports of the switch. You can link
> together switches for larger port numbers.
> >
> >
> >
> >
> >> On 29 Jun 2017, at 10:25 PM, Augustine Leudar <
> augustineleu...@gmail.com> wrote:
> >>
> >> Hi Richard -
> >> So if I have this right no interface is required - just the ethernet
> out of
> >> the mac ?
> >>
> >> On 29 June 2017 at 20:49, Richard Foss <r.f...@ru.ac.za <mailto:
> r.f...@ru.ac.za>> wrote:
> >>
> >>> Hi Augustine, to answer this question about the SPK-4Ps:
> >>>
> >>>> can you daisy chain them (as discrete channels) or would you have to
> run
> >>> a seperate ethernet cable to each one?
> >>>
> >>> You would run a separate Ethernet cable from a switch to each one. So
> for
> >>> example, running a DAW on a Mac, you would output your tracks to the
> >>> outputs made available by the Mac AVB virtual audio entity, and each
> >>> speaker would listen to one of the outputs.
> >>>
> >>> You would use PoE+, not PoE, and each speaker is powered by a Merus
> audio
> >>> Eximo amplifier, providing 30W. With the Mac you could connect up to
> 120
> >>> speakers. You also have the possibility of connecting a separate
> passive
> >>> speaker to the powered one, providing 2 x 15W.
> >>>
> >>> Here is a bit more info:
> >>>
> >>> http://www.technologyintegrator.net/article/immersivedsp-
> >>> integrates-merus-audio-eximo-amp-minidsp-spk-4p-speaker/ <http://www <
> http://www/>.
> >>> technologyintegrator.net/article/immersivedsp- <
> http://technologyintegrator.net/article/immersivedsp->
> >>> integrates-merus-audio-eximo-amp-minidsp-spk-4p-speaker/>
> >>>
> >>> Richard.
> >>>
> >>>
> >>>
> >>>> On 29 Jun 2017, at 6:38 PM, Augustine Leudar <
> augustineleu...@gmail.com>
> >>> wrote:
> >>>>
> >>>> aye - and that would kind of defeat the advantage of it - Ill stick to
> >>>> passive for now - Ive always found active speakers a bit of a pain for
> >>>> larger site specific stuff because you have to run power to  them as
> well
> >>>> as audio.
> >>>> These look like they might be OK for some stuff :
> >>>>
> >>>> https://www.immersivedsp.com/products/spk-4p
> >>>>
> >>>> but Im a bit unsure as to what exactly they can do - can you daisy
> chain
> >>>> them (as discrete channels) or would you have to run a seperate
> ethernet
> >>>> cable to each one  ?
> >>>>
> >>>> On 29 June 2017 at 17:04, Dave Hunt <davehuntau...@btinternet.com>
> >>> wrote:
> >>>>
> >>>>> Hi,
> >>>>>
> >>>>> I think that you'll find that an active speaker with an AVB input
> will
> >>>>> require more current than can be supplied over an ethernet cable.
> >>> Perhaps
> >>>>> for very small speakers with a low power digital amplifier, but
> anything
> >>>>> decent would require mains (or DC batteries) to the speaker.
> >>>>>
> >>>>> The available current may power the DAC though.
> >>>>>
> >>>>> Ciao,
> >>>>>
> >>>>> Dave
> >>>>>
> >>>>> From: Augustine Leudar <augustineleu...@gmail.com>
> >>>>>> Date: 28 June 2017 22:06:52 BDT
> >>>>>> To: Surround Sound discussion group <sursound@music.vt.edu>
> >>>>>> Subject: Re: [Sursound] Multichannel players for permanent
> >>> installations
> >>>>>>
> >>>>>>
> >>>>>> Hi Richard -
> >>>>>> There is lots of things that pan all around the room but the
> >>> soundscape is
> >>>>>> designed in pre production for this installation and then its just a
> >>>>>> multichannel file (or seperate mono ones). Other installations I do
> are
> >>>>>> interactive and so sounds are processed and panned in realtime
> around
> >>> the
> >>>>>> space depending on the sensors used etc. Certainly the AVB thing
> might
> >>> be
> >>>>>> good for some less inhospitable environments- I especially like the
> way
> >>>>>> power can be taken to the the speakers via the ethernet cable.....
> >>>>>>
> >>>>>
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> >>>>>
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> Augustine Leudar
> >>>> Artistic Director Magik Door LTD
> >>>> Company Number : NI635217
> >>>> Registered 63 Ballycoan rd,
> >>>> Belfast BT88LL
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> >>>
> >>
> >>
> >>
> >> --
> >> Augustine Leudar
> >> Artistic Director Magik Door LTD
> >> Company Number : NI635217
> >> Registered 63 Ballycoan rd,
> >> Belfast BT88LL
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-- 
Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL
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