MOTM

Thanks for the explanation. That makes a whole lot more sense. :-)

--Adam 

> -----Original Message-----
> From: djbrow54 [mailto:davebr@...] 
> Sent: Sunday, October 08, 2006 10:23 AM
> To: motm@yahoogroups.com
> Subject: [motm] Re: MOTM-650 V1.3 RC1 bugs reported
> 
> You are correct and this 'error' should be ignored.  It was 
> my test software to try and get MIDI notes in the various 
> ranges.  I had written some software to transpose down two 
> octaves and my keyboard wrapped around to notes -1, -2 -3, etc.
> 
> Of course these should have been interpretted as real time 
> single byte messages but the problem is that the -650 whould 
> then use the following data as the note number and velocity, 
> but of course it was just velocity so now the MIDI sequence 
> is all screwed up.  This IS NOT an issue with the -650. It 
> was an issue with my test code.
> 
> On the good side, I found the -650 performance flawless with 
> MIDI notes in the range of 0 - 12 other than the noted unison 
> issue with the sustain pedal.
> 
> It might be interesting sometime to throw a bunch of 
> real-time messages at it and see how it performs.
> 
> Sorry for the confusion.
> 
> Dave 
> 
> --- In motm@yahoogroups.com, "Adam Schabtach" <adam@...> wrote:
> >
> > 
> > > b) sending "illegal" MIDI notes (outside the defined 127 note
> > > range) to the MOTM-650. Apparently, some software 
> programs do this.
> > 
> > At the risk of trying to troubleshoot a system I'm completely 
> > unfamiliar with, I'm not sure that that's a correct diagnosis. The 
> > only way a MIDI note number could be outside of the range 
> [0, 127] is 
> > if the high bit of its byte was set. The MIDI spec says that if the 
> > high bit of a byte--any byte--is set, then it's a Status 
> byte, not a 
> > data byte. [See pages 4-5 of the MIDI spec] So in other 
> words, could 
> > it be that "some software programs" are sending Status 
> bytes that the 
> > 650 isn't expecting, rather than "'illegal' MIDI notes"?
> > 
> > --Adam
> >
> 
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