Re: [LAU] midi triggering delay

andy baxter wrote:
> Hi all,
>
> I'm trying to get my usb midi keyboard (an edirol PCR 800) working with
> my good laptop (a 1400 MHz core 2 thinkpad X61s). I have jackd running
> with 8 msec latency and no xruns using an onboard intel HDA sound card.
> When I hook up qsynth (fluidsynth) to the keyboard's alsa midi output,
> the notes are triggered with a slight (<0.1s?), and variable time delay.
> Sometimes the note plays immediately on pressing the key; sometimes
> there is a noticeable delay. This does not happen when I use the same
> setup on my old laptop (a 1400 Mhz single core dell).
>
>
Can anyone recommend an online guide to building a realtime audio
capable kernel? I may have missed some important details when compiling
the kernel I'm using (I just took the debian defaults and switched on
the realtime patch I had applied). E.g. I remember the system timer is
set at 250Hz.

andy

_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
Received on Tue Sep 8 20:15:03 2009