[LAU] latency issues (practical aid needed on a practical example)

[Paul Coccoli]

On Tue, Jun 10, 2008 at 3:38 PM, Julien Claassen <julien at c-lab.de> wrote:
> Hi everyone!
>   I just compiled a sound generator, which can be controlled vai MIDI, it uses
> simpe raw-midi and jack as output, via bio2jack.
>   Now I have horrible latency 0.2-0.5sec (rough estimate). Where should I
> start looking in my setupt. I know others had the software running without
> problems.
>   Sorry for being so abstract, but I'm not allowed to mention the software.
> :-( But I could post parts of the source if necessary.
>   My setup is:
> Debian Lenny with custom built kernel 2.6.24-rt1
>   JACK subversion 0.109.0
>   jack-commandline:
> jackd --timeout 4500 -R -d alsa -d hw:1 -r 48000 -p 128 -H -M -z shaped
>   ALSA version 1.0.15
>   Any idea where to optimise?
>   Kindest regards
>          Julien

Don't use bio2jack?

You should probably send this to the LAD list...