The one thing I remember about soundjack from the presentation at tonmeistertage years ago was that inter-continental latencies are MUCH worse than in-country, often to the point of not being very usable. This isn't due to soundjack but the nature of routing across sub-ocean links etc. Just something to be aware of if you're trying to connect and work with people a *long* way away.
On Tue, May 5, 2020 at 11:07 AM Christoph Kuhr <christoph.kuhr@xxxxxx> wrote:
_______________________________________________Hi,
we were just playing remote a few minutes ago. We used soundjack with a round trip time of 50ms and less, since we all live in cologne but our ISPs peer in Frankfurt. Thus, you should be able to achieve such latencies from everywhere inside germany. But I don't know about other countries.
We are playing some hard rock stuff with tempo of 120 bpm and more. If you try to be in sync with each other, your tempo goes down. If you want to maintain the original tempo, everybody has to maintain their own tempo and play a litte before the time you hear your mates. Then everybody can hear their remote team mates in sync, only you yourself are too early.
After some practice you get used to this...
Best,
CkAm 05.05.20, 15:01 schrieb Giso Grimm <gg3137@xxxxxxxxx>:On 05.05.20 14:38, Mac wrote:
> In our current world situation I see a lot of videos, and in some cases
> live, performances by multiple musicians/vocalists in physically
> different locations.
>
> Some are obviously in a MacGyver setup in the closet, others are in
> rather tricked out home studios (like the one I just watched of the
> Doobie Brothers, where they all were in their own studio).
>
> Some are obvious compilations, video effects, etc. added. But, when they
> are live how do they deal with delays and monitoring for the local
> performance (in the Doobie's one, there was some post processing, but,
> the duets seemed really tight, both instruments and vocals.)
>
> My question is, have any Linux folks had any experience setting this,
> with Linux tools obviously..., and how did you deal with delays and
> monitoring when live or (I assume when processed video is involved)
> monitoring and delay for multi-tracking from around the world?
There are several tools out, some of them open source based:
jacktrip ( https://ccrma.stanford.edu/software/jacktrip/)
soundjack ( https://soundjack.eu/, closed source)
jamulus ( http://llcon.sourceforge.net/)
Just to name a few.
We developed our own system based on zita-njbridge and some self-written
network managing tools, which we use almost every day:
https://github.com/gisogrimm/ovbox
The delay which can be achieved (with all of the systems - the
underlying network is the most critical factor) will be in the order of
30-80 ms between musicians (one way). 30-50 ms feels more or less ok, if
it is more you need to play actively before the time.
Best,
Giso
>
> Regards,
> Mac
>
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