19 Dec
2002
19 Dec
'02
6:03 p.m.
On Thu, Dec 19, 2002 at 08:01:57PM +0100, David Olofson wrote:
What frequency does PITCH 0.0 correspond to?
unadjusted pitch, A4 = 440 Hz
for a PITCH of +1.0 one octave up, -1.0 one octave down etc.
F[pitched] = F[orig] * (2 ^ PITCH)
or, for those who prefer to specify the number of notes:
PITCH = ((2 ^ (1/12)) ^ note)
Frank.
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