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On Monday 12 April 2010 02:07:07 Jens M Andreasen wrote:

quoted text
> On Mon, 2010-04-12 at 00:52 +0100, James Morris wrote:

> > On Mon, April 12, 2010 00:38, James Morris wrote:

> > > Hi,

> > >

> > > I'm pretty sure I've seen this dealt with on the list before, but can't

> > > find it.

> > >

> > > With the program I'm fumbling around trying to create, it will be

> > > possible for successive note on events for the same pitch to occur

> > > without note off events intervening.

> > >

> > > Does the MIDI spec allow such things?

> >

> > Sorry to answer myself so soon...

> >

> > I guess it is allowed. The simplest case being a sequencer outputting to

> > the same channel and port as a keyboard player. Nothing can prevent this

> > - right?

>

> The question is what happens at the other end when a note gets struck a

> second time.

>

> a) Nothing, the note is already on.

> b) Re-trigger, the voice is reset and the note gets played from the top

> c) Trigger, a new voice is assigned and will play simultaneously to

> previous voices

So... which "real" instruments work like a, which like b, and which like c?

quoted text
>

> > And there's no way in the world that missing note-offs could be added in,

> > in a fashion guaranteed to cover all possible permutations of

> > connections, or without delaying the note-on which implies a missing

> > note-off.

>

> An all-notes-off will take care of any missing note-offs

>

> > James.

all the best,
drew

quoted text
> >

> > > The bash-script prototype of the program did this, and, I believe, the

> > > soft-synths used, acted appropriately - that is, re-triggered the

> > > notes. So I guess the question is, does it make any difference if I

> > > add-in the note-off events - which, thinking about it, is going to be

> > > tricky because, basically, although the program is sequencing, it will

> > > be real time and is not psychic!

> > >

> > >

> > > Cheers,

> > > James.

> > >

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> >

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