On Tue, Nov 3, 2009 at 8:29 PM, Doug Wyatt <email@hidden> wrote:
> And that where it matters even more is when putting tempo into the equation
> and trying to convert between a beat position and a host time. It really
> seems better if tempo is expressed in a way that is independent of the time
> signature -- and, in MIDI files, it is, as microseconds per quarter note
> (again, quarter note, not beat).
Personally, I'm not a big fan of the notion of time signature, and I
wish they'd left it out of MIDI altogether instead of dragging it
along by its broken neck.
The metrical level of the "beat" in western music is essentially
arbitrary and I approve of MIDI's attempt to circumvent this; but If I
were designing something similar now I would go with a fixed
frames-per-second approach to timing and just insert events into the
stream to mark the positions of beats, groups of beats ("bars"),
groups of groups of beats ("phrases"), etc.
Hamish
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