The pitchwheel range is NOT 0-127 or -64 to 63. (It wouldn't be very
useful if it was.) The range is -8192 (down all the way) to 8191 (up
all the way).
GPO Notation instruments are supposed to transpose 12 semitones up
when the pitchwheel is set to 8191, and 12 semitones down when the
pitchwheel is set to -8192. (In earlier versions, some of the GPO full
solo strings only transposed 2 semitones when the pitchwheel is set
all the way up or down, but I believe that is fixed now.) So a quarter-
tone transposition for GPO Notation instruments would be +/-341.
Pitchwheel alterations last until cancelled (as I said in my followup
post).
Cheers,
- Darcy
-----
[EMAIL PROTECTED]
Brooklyn, NY
On 5 Aug 2008, at 7:11 AM, dhbailey wrote:
Darcy James Argue wrote:
Hi Leigh,
Throw in a expression set to modify the pitchwheel. Assuming you
are using the Notation instruments, the maximum pitchbend range
(check the Finale documentation for the number) should result in a
shift of 12 semitones up (+) or down (-) . So your expression
should drop the pitchwheel by 1/24th of the maximum value.
That was my first idea also, but I'm uncertain about how to suggest
he define the pitch-bend value.
Does the pitchwheel controller in GPO use the value range of 0-127
or is it like some on hardware synths where 0 equals no pitch bend
up or down, so the range is -64 - 63? That would make a big
difference in how to define the expression for playback.
The other big question is whether or not that expression would have
to be assigned to every note in the cello part, or whether setting
it once would affect all the other pitches until it was reset.
--
David H. Bailey
[EMAIL PROTECTED]
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