On Mon, 02 Apr 2012 17:12:46 +0200
Joseph Rushton Wakeling joseph.wakel...@webdrake.net wrote:
Hello all,
A query about MIDI export, which relates to a feature request I have in mind
but
would like to confirm is feasible.
Lilypond's MIDI export has problems with partial opening measures. This
means
that import into other programs will fail to place barlines correctly, and
that
MIDI players which display bar/beat numbers will also display wrongly -- e.g.
in
the Frescobaldi MIDI player, as described here:
https://github.com/wbsoft/frescobaldi/issues/43
There's an easy workaround, which is to define an alternative opening to the
music using rests instead of a \partial measure:
http://osdir.com/ml/lilypond-user-gnu/2009-06/msg00418.html
... but this is imperfect, as it inserts silence at the opening of the MIDI
file
and also still results in bar numbering being offset by 1.
So, the question is, is it feasible to properly encode a pickup bar in MIDI,
that is, to have the starting notes identified as belonging to the last notes
of
bar 0? Will this be accepted or understood by MIDI players and other
software's
import functionality?
Thanks for any advice and comments,
Best wishes,
-- Joe
Midi understands time signatures:
What I did in Laborejo.org is to start with a measure which has a timesignature
of the length of the upbeat and after that place the original timesig.
That said I don't care about Lilyponds midi export at all. I want Lilypond to
engrave PDFs. Midi export should be done one level higher. Needless to say this
is exactly what Laborejo does: One sourceformat with a high enough information
density to both generate Lilypond and Midi without any subtle information lost.
Nils
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