31 Mar
2017
31 Mar
'17
1:38 p.m.
Do you mean you could run a regular jack app on bela?
About the low latency audio on regular linux, I know it's possible.
I've been able to run my onboard soundcard at 16/2 48000 with no xruns
on my old laptop (core2duo 2GHz). It starts to drop frames as soon as
you do anything non-trivial, though.
When I need live monitoring, I set up the card at 128 frames. That is
low enough I can play guitar or keys normally.
About the RT kernel, yes, it makes a world of a difference on my old
computers at the lowest latencies.
I also have a stock kernel configured for low power consumption on my
netbook, and at 1024 frames I could build a quite big patch on
automatonism yesterday, and play for hours without xruns.
BTW check out automatonism, it's a great modular synth for puredata:
https://www.automatonism.com/the-software/
On 3/31/17, Felipe Ferreri Tonello <eu(a)felipetonello.com> wrote:
Hi Fede,
On 30/03/17 22:30, Fede wrote:
I think the bela.io comes with a puredata
compiler. It's not regular
linux.
They use regular Linux for everything but audio processing. The audio
processing is done in the minimalist environment that runs on the
Xenomai RTOS.
But I can confirm that there are people doing low-latency audio - 5 ms
system wide - on Linux. With the right care and love you can get there. ;)
In order to achieve this level of latency with no drops of frame, I
strongly recommend using RT-Linux with a configured environment.
--
Felipe