I had a Max patch doing ambisonic playback running for over 12 hours a day, 
every day for 19 months without a hitch... Max per se is not the problem.

Best,
Paul


On 21 Oct 2014, at 8:14 PM, Jake Williams <[email protected]> wrote:

> Hey guys,
> 
> Yes I think a lot of the latency comes from the Ableton - Max hookup through 
> Jack.  We tried Max standalone running ICST ambiencode/decode recently and 
> had no problems.
> 
> I guess the worry is running a computer with Max over a long period of time 
> without glitches, crashes..
> 
> Best
> 
> Jake.
> 
> 
> 
> 
> 
> 
> Jake Williams
> 
> +44 7932 645145
> http://www.jakeone.co.uk
> http://www.fliesandflies.com
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> On 17 Oct 2014, at 23:08, Anthony Palomba <[email protected]> wrote:
> 
>> Hey folks,
>> 
>> I may be a bit late to joining this discussion. But I am trying to do the
>> exact same thing in Max.
>> Augustine, can you describe your setup? Are you encoding the audio in Max?
>> Where is the decoding being done?
>> 
>> 
>> -ap
>> 
>> On Fri, Oct 17, 2014 at 4:44 PM, Augustine Leudar <[email protected]
>>> wrote:
>> 
>>> Thats weird because I use ambipanning for live shows all the time with up
>>> to 32 speakers and have no latency problems. The difference is though I
>>> just use them with Max not through ableton. Have you thought of having
>>> seperate audio channels coming out of your favourite Daw and just route
>>> them into audio inputs of max to be spatialised ?
>>> 
>>> On 17 September 2014 06:52, Peter Lennox <[email protected]> wrote:
>>> 
>>>> I'll be interested to hear about your progress.
>>>> 
>>>> In the back of my garage, I have a zero-latency 8-way 1st order
>>>> encode-decode device (it even has a 4-way 1st order feed for subs). It's
>>>> wholly analogue, and we used it in Ambisonix Dance nights in the 90's.
>>> The
>>>> 4 outputs of an analogue desk passed into 4 inputs which were encoded  as
>>>> front-left, front right, back-right, back left. Movement was crudely
>>>> achieved by simply cross fading across the buses in the desk.
>>> Additionally,
>>>> a through-route for B-format recordings (or indeed, the output from a
>>>> computer that was encoding to b-format) passed into the decode section of
>>>> the device. The device looks like some monstrous breadboard from Baron
>>> Von
>>>> Frankenstein's lab, bodged into an ex military 19" rack mount (so you
>>> could
>>>> stand an elephant on it, if need be- though we never called on this
>>>> particular facility). I think it might not pass PAT criteria today.
>>>> 
>>>> If such a device seems rather crude and a world away from HOA - well, it
>>>> was. On the other hand, it never crashed. But an interesting point - I
>>>> never heard a club-goer complain about the lack of precision of phantom
>>>> imagery - focus, ensemble depth, apparent source width, any of those
>>>> things. It wasn't for electroacoustic concerts, or virtual reality.
>>>> 
>>>> Years later, I had a student, Caryl Jones, carry out a study on potential
>>>> DJ tools for ambisonics. Unsurprisingly, perhaps, she found many of the
>>>> more subtle effects possible in ambisonics were wasted -and too
>>> cumbersome
>>>> to operate in real time by the DJ (even when she tracked down the
>>> hardcore
>>>> of intelligent DJs who wanted to experiment). Instead, simple to operate
>>>> and with maximum possible perceptual changes seemed to be the order of
>>> the
>>>> day - and most importantly, stuff that had (or could have) a 'musical
>>>> reason for existing' in the club context.
>>>> 
>>>> Finally, in a series of experiments at the Glade festival, with Tony and
>>>> John of Funktion One, my collegue (Bruce Wiggins) and I experimented in
>>>> that context with  a system that used F1's 1st order analogue
>>> encode-decode
>>>> chain, and Bruce's (2rd order)software chain, operating in parallel into
>>>> the 8 channel speaker array - again with a 4-way sub arrangement. That
>>> was
>>>> when we first heard John Leonard's "when geese go bad" recording over a
>>>> 40kW rig - result: Dinosaur-size geese. And in sound testing, the
>>> motorbike
>>>> recordings (from Soundfield's website) drove the council guys with their
>>>> sound level measuring gear bonkers - they couldn't work out where the
>>>> lunatic on the bike was.
>>>> The flypast of the spitfires wasn't bad, too.
>>>> 
>>>> So, I'm saying that a solution that allows parallel processing, so that
>>>> some things can be quick-and-dirty, whilst others can be
>>>> precise-but-complex, might suit your needs?
>>>> Regards
>>>> ppl
>>>> Dr. Peter Lennox
>>>> 
>>>> School of Technology,
>>>> Faculty of Arts, Design and Technology
>>>> University of Derby, UK
>>>> e: [email protected]
>>>> t: 01332 593155
>>>> 
>>>> 
>>>> -----Original Message-----
>>>> From: Sursound [mailto:[email protected]] On Behalf Of Jake
>>>> Williams
>>>> Sent: 16 September 2014 22:17
>>>> To: [email protected]
>>>> Subject: [Sursound] Low-latency, ultra-stable Ambisonics for club
>>> install?
>>>> 
>>>> Hello everyone!
>>>> 
>>>> I thought after the obligatory period of lurking and digging I'd raise my
>>>> head and say hello - and hopefully canvas some opinions from your wealth
>>> of
>>>> experience here.  I met a few of you earlier in the year at the iX
>>>> Symposium in Montreal (I was doing the music for the live, improvised
>>>> full-dome / Ambisonic AV show Fragments).
>>>> 
>>>> Though I have worked on multi-channel pieces before, Fragments was my
>>>> first foray into Ambisonics and since then I have been rather obsessed
>>>> (although my grasp of the science is still a little shaky).
>>>> 
>>>> Anyways, to cut to the chase - I am now working on designing some effects
>>>> for a nightclub install - the idea being that there will be a subtle
>>>> spatialisation of the DJ FX over the 8 speakers using, hopefully,
>>>> Ambisonics.  Basically I am researching the best way to do this.  For
>>>> Fragments I used Ableton going into the ICST externals in MaxMSP, but I
>>>> can't get the latency low enough for a realtime, live signal without
>>>> glitching and instability (the audio was all inside Ableton for the show,
>>>> so a high buffer size was possible).  The producers of the project are
>>> keen
>>>> not to use standard home computers, so I am looking for a rock-solid,
>>> very
>>>> low latency solution.  What are your guys thoughts?  From digging in the
>>>> archives (admittedly only as far back as 2011) I have identified some
>>>> different possibilities -
>>>> 
>>>> 1.  Ambdec on something running Linux
>>>> 2.  HOA on something running PureData (maybe Linux again?) 3.  Ambi-X on
>>>> Reaper (though this is only PC or Mac?) 3.  Some sort of bespoke
>>>> microprocessor solution, maybe based on Ambisonic Equivalent Panning?
>>>> 4.  Some sort of control over VCA faders in a quasi-analogue solution
>>>> (though I have seen posts about this where you guys are not keen :-) 5.
>>>> Has anyone run Ambisonics on a Kyma system??
>>>> 
>>>> We will be feeding live FX sends into the system to be spatialised in
>>> some
>>>> preset patterns in it's basic operational mode.. it will of course be
>>>> customisable for bespoke shows.
>>>> 
>>>> Anyways if any of you have any input I would be very grateful :-)
>>>> 
>>>> Cheers
>>>> 
>>>> Jake
>>>> 
>>>> 
>>>> Jake Williams
>>>> 
>>>> +44 7932 645145
>>>> http://www.jakeone.co.uk
>>>> http://www.fragmentsav.com
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
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