[LAU] sending sysex while jackd runs

Paul Davis paul at linuxaudiosystems.com
Sat Feb 23 19:47:47 UTC 2013


On Sat, Feb 23, 2013 at 1:43 PM, Johannes Kroll <jkroll at lavabit.com> wrote:

> (sorry... should have gone to the list)
>
> On Sat, 23 Feb 2013 13:09:28 -0500
> Paul Davis <paul at linuxaudiosystems.com> wrote:
>
> > On Sat, Feb 23, 2013 at 11:16 AM, Johannes Kroll <jkroll at 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.
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