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Re: MIDI bug - re-attacking a note


From: Mats Bengtsson
Subject: Re: MIDI bug - re-attacking a note
Date: Mon, 15 Aug 2005 17:19:40 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050511

Please remember Han-Wen's comment and search the mailing
list archives for related discussions some years ago.
Different MIDI software and hardware work somewhat differently
so a solution that works on one platform may fail completely
on another.

   /Mats

Erik Sandberg wrote:
On Monday 15 August 2005 17.30, Yuval Harel wrote:

On Sun, 14 Aug 2005 23:53:12 +0200, Erik Sandberg

<address@hidden> wrote:

You're right. I don't have working sound right now, so I relied on
midi2ly
which didn't output the dis.

In any case, the above example is also problematic: the {r8 dis} is
inserted
_after_ the c4, which delays all subsequent midi output by 1/4. New
attempt:

%
%Yuval Harel

\header {
 texidoc = "If notes from two polyphonic voices inside one staff
overlap,
midi output is delayed.
If the overlapping notes are identical, the second one is not played. "
 reportedin = "2.4.0"
}

\version "2.6.3"

\score {

<<
 \new Staff <<
   \new Voice {c4 c c}
   \new Voice {r8 dis d4 d}

 \new Staff {e4 e e e}
 \new Staff <<
   \new Voice {r2 f4}
   \new Voice {r2 r8 f}


\midi {}
}

Again, for me all the MIDI output was ok, except that the last 'f' is not
played.
The 'dis' does not cause any delay.
Perhaps this is also a problem with midi2ly?


I only cross-checked with rosegarden2, which added a delayed exactly like midi2ly did. What tools do you use to view midi?

Erik


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--
=============================================
        Mats Bengtsson
        Signal Processing
        Signals, Sensors and Systems
        Royal Institute of Technology
        SE-100 44  STOCKHOLM
        Sweden
        Phone: (+46) 8 790 8463                         
        Fax:   (+46) 8 790 7260
        Email: address@hidden
        WWW: http://www.s3.kth.se/~mabe
=============================================




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