[PD] AoO Coming Out: Audio over OSC - Message based streaming solution goes public...
ingo at miamiwave.com
Sat Apr 4 15:21:10 CEST 2020
I'll definitely give it a try. At the moment I'm still busy with a bunch of
other stuff for a while.
As soon as I get to it I will compare what works better for expanding my
sample voices to different processes.
> -----Original Message-----
> From: Pd-list [mailto:pd-list-bounces at lists.iem.at] On Behalf Of Christof
> Sent: Saturday, April 04, 2020 3:02 PM
> To: Pd-List
> Subject: Re: [PD] AoO Coming Out: Audio over OSC - Message based
> streaming solution goes public...
> Hi, you definitely can stream between apps on the same computer.
> Regarding latency you have to measure, but there are basically three
> parameters regarding the latency in the case of Pd:
> a) network latency (negligible for localhost)
> b) hardware buffer size / Pd latency
> c) [aoo_receive~] buffer size
> On my Windows 7 laptop with an ASIO driver and 64 sample hardware buffer
> size and 5ms Pd latency, I can set the [aoo_receive~] buffer size down to
> ms. On some other systems, you might get even lower. One of the use cases
> of AOO is certainly low latency audio streaming over local networks,
> especially over long periods of time (literally weeks or months, given that
> devices have access to a NTP time server).
> AOO does have a bit more latency than [pd~] because of the extra buffer in
> [aoo_receive~]. I think it rather depends what you need: [pd~] is slaved to
> the parent process, but provides sample accuracy. On the other hand, when
> you run a seperate Pd instance and pass audio with AOO, they are fully
> Give it a try and report back! Here's the latest snapshot (Just unpack the
> archive): https://git.iem.at/cm/aoo/-/jobs/10983/artifacts/download
> I'm currently working on a UDP punch hole server, so that people can easily
> create peer-to-peer-networks over the internet und jam together :-)
> On 04.04.2020 13:21, Ingo wrote:
> > Is this going to work for something like streaming 2-4 synth voices
> > from one patch to another one inside of one computer?
> > If yes, will the latency be lower than using the [pd~] object or will
> > it be the same or higher?
> > Thanks!
> > Ingo
> >> -----Original Message-----
> >> From: Pd-list [mailto:pd-list-bounces at lists.iem.at] On Behalf Of
> >> Winfried Ritsch
> >> Sent: Friday, April 03, 2020 12:40 AM
> >> To: Pd-List
> >> Subject: [PD] AoO Coming Out: Audio over OSC - Message based
> >> streaming solution goes public...
> >> Hello,
> >> Thanks Christof Ressi the old concept was rewritten and short-comes
> >> using the build-in network objects has been resolved and own
> >> networking code added.
> >> (see doku there for history and ideas)
> >> http://git.iem.at/cm/aoo
> >> (Note it is an alpha version, but beta should follow soon)
> >> The feature list is huge, but mostly:
> >> - it supports raw audio and opus audio codec:
> >> small latencies for playing together - long buffers for long range
> >> streams
> >> - it supports time synchronous streaming and resend strategies
> >> overcoming packet loss and network weakness
> >> - it monitors the connections quality and latencies
> >> - it is prepared fot punch-hole connections trough firewalls and ...
> >> ...
> >> This is also a Request for Comments:
> >> get it - test it - use it - comment and report - to enhance
> >> it
> >> ---
> >> Note: The development was done within the Streaming Project
> >> Reenactment for "Sonic projections" in the exhibition "Primal energies"
> >> from
> >> Bill Fontana - Kunsthaus Graz using the community "FunkFeuer Graz"
> >> network .
> >> ( All artwork in museums are closed except this one on the facade )
> >> with a mix of Arm based streaming devices: the DIYasb it runs now
> >> stable for over a month all over Funkfeuer Graz.:
> >> see also: https://git.iem.at/cm/diyasb
> >> mfG Winfried
> >> --
> >> --
> >> - ao.Univ.Prof. DI Winfried Ritsch
> >> - ritsch at iem.at - http://iem.at/ritsch
> >> - Institut fuer Elektronische Musik und Akustik
> >> - University of Music and Dramatic Art Graz
> >> - Tel. ++43-316-389-3510 (3170) Fax ++43-316-389-3171
> >> --
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