[sdiy] Is MIDI Active Sense necessary?

[John Speth]

Good explanation at:

http://home.roadrunner.com/~jgglatt/tech/midispec/sense.htm

> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
> bounces at dropmix.xs4all.nl] On Behalf Of Jacob Watters
> Sent: Monday, February 11, 2013 10:32 AM
> To: Synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Is MIDI Active Sense necessary?
>
> I never knew that this existed, but I would like to implement it. Do you
have
> an example of how that is usually done?
>
> I have been getting an occasional note stuck on when routing the
controller
> through Ableton Live and then to a synth controlled by an
> ATMEGA328 (Arduino). I think there is a bit of lag in Ableton that
causes the
> note messages to get bunched up and then it floods the tiny buffer on
the
> chip. It rarely happens, and only when holding down one note and playing
many
> other notes very quickly, but I would like to resolve the issue if
possible.
>
> Thanks!
>
> -Jacob Watters
>
> On Mon, Feb 11, 2013 at 1:15 PM, Byron G. Jacquot <thescum at surfree.com>
> wrote:
> >>I need a bit of street level MIDI usage information.
> >>
> >>Does anyone use or need MIDI active sensing anymore?
> >>
> >>I'm wondering if there might be any unconventional uses for it that
> >>I'm not aware of.  I'm building a MIDI phrase sampler and I'm looking
> >>for a reason to filter out active sense bytes.
> >
> >
> > Active sense is there to prevent stuck notes if the connection goes
away.
> If you get a note on, and the cable gets unplugged, you'll never get the
> corresponding not off.  Active sense allows the receiver to recognize
the
> situation, and stop the notes.
> >
> > If your player is triggering one-shot samples, stuck note-ons is
perhaps
> less of a concern.  The counter might be a situation where the
connection
> might be mechanically unreliable, like a keytar.
> >
> > If you want to be pedantic, it's probably best to implement it.
> >
> > Byron Jacquot
> > _______________________________________________
> > Synth-diy mailing list
> > Synth-diy at dropmix.xs4all.nl
> > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy