hello,
I've been making in situ performances in the last five years with this
kind of live audio broadcasts. My experience in pre-corona times was:
* that old-fashioned solutions (such as FM or silent disco) are the
most reliable BUT some mobile phones don't have FM radios any more &
(younger) people often have no experience with FM radio.
* I also looked for internet (browser-based) or LAN solutions but
there are always large latencies (> 500ms); the only solution would
be to ask participants to install a specific app or program but
asking this to passers-by or 'random' participants creates new
problems...
Two years ago I was also emailing about network audio with people from
Cleanfeed, a small company. They seemed to offer a nice solution and I
tried their system for a few months. But at that moment their service
didn't provide a one-to-all broadcast, it was a system to provide fast
and high-quality audio over the internet via browsers (for example for
radio interviews).
https://cleanfeed.net/
I don't have any experience with Audio over OSC, hopefully this could be
a solution...?
best, Hans
On 5/11/20 9:50 AM, Christof Ressi wrote:
would it be possible to receive AoO Audio over OSC?
AoO can work with relatively low latency, but usually you'd need to
write an app. Since it is essentially a C/C++ library, it should be
possible to compile it to WASM with Emscripten and then run it in the
brower. I haven't tried it yet but it's on my TODO list :-) We
currently use AoO for our virtual rehearsal space here at the IEM and
I'll make a new release in the next few days.
Christof
On 11.05.2020 02:25, Marco Schretter wrote:
dear list,
i'm thinking about the following (corona)performance-situation
without any good solution by now:
live performance situation where (an arbitrary no. of) people on the
street can pass by and listen somehow to the performance live audio
in 'realtime' with their mobile devices. the performers are eg.
behind a window or on a distant stage, so some of the live-sound will
be audible to the listeners too.
that's why the system solution should have a low latency. the
situation can also be considerated similar to a drive-in cinema.
i tried streaming with pd [mp3cast~] / [oggcast~] to an icecast
server and listen to the signal on the lan with a browser but the
latency is hell (device dependent, browser dependent, no control of
buffers on receiver etc)...4000ms :-( . also other streaming
solutions had quite a big latency.
another thought is to use ukw/fm radio transmission but i cannot
expect people on the street to know how to receive ukw/fm radio with
their phones. buying an event-licence for fm radio would only make
sense if the listeners come by car. not my case.
silent disco systems also work (already tried this) but in corona
times this is not hygenic and for me not possible to have so many
receiver-headphones for an arbitrary number of listeners.
connecting to a 'performance'-WLAN for the users with their mobile
device would be best. access should be easy - the users really can be
anyone, so maybe without any tech-knowledge. browser-based would give
access to anyone.
i'm thinking about a realization similar to the sennheiser connect
system which distributes several audiostreams on a wlan. sennheiser
connect is app-based and in worst-worst-case (means android) the
system seems to have approx. 200ms delay. ios was faster in my
listening tests. the problem is that the users need an app which
means internet access for the installation...
questions:
ideas for a realization?
how 'low-latency' could a browser based streaming in a lan/wlan be?
would it be possible to receive AoO Audio over OSC? the question here
is the receiver ?app? (webPD?).
as i found out several artists and audioengineers would be happy
about a solution for this: how to reach the audience in a social
distancing live-situation...
thanks for any hint
m
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