On Sat, Feb 23, 2013 at 1:43 PM, Johannes Kroll <jkroll@lavabit.com> wrote:
(sorry... should have gone to the list)

On Sat, 23 Feb 2013 13:09:28 -0500
Paul Davis <paul@linuxaudiosystems.com> wrote:

> On Sat, Feb 23, 2013 at 11:16 AM, Johannes Kroll <jkroll@lavabit.com> wrote:
>
> >
> > I don't know if there's such a tool. But AFAIK jack would only block
> > the raw MIDI device when you use "-X raw" to use the raw MIDI driver in
> > jack. Do you need that driver? If you don't, you can use the "seq"
> >
>
> to reiterate: if timing matters to you, do NOT use -X raw or -X seq.
>
> use a2jmidid -e instead.

Why is that btw? Is there any hard technical reason the drivers can't
give you the same latency as an external app?

 
nothing to do with latency. everything to do with jitter. neither -X raw nor -X seq are correctly implemented.