[Scummvm-tracker] [ScummVM :: Bugs] #13460: SCUMM: DOTT: Incorrect MIDI pitch bending

[ScummVM :: Bugs]

#13460: SCUMM: DOTT: Incorrect MIDI pitch bending
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Reporter:  AndywinXp  |       Owner:  (none)
    Type:  defect     |      Status:  new
Priority:  normal     |   Component:  Engine: SCUMM
 Version:             |  Resolution:
Keywords:  adlib      |        Game:  Day of the Tentacle
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Comment (by athrxx):

 So, I have attempted a fix for the General Midi which seems to work well
 for the DOTT intro when comparing to DOSBox.

 I haven't looked at the AdLib sound, since this seems less obvious. At
 least the upwards pitch bends right after starting seem accurate. But the
 downwards bending when the bird is dropping down might indeed be broken.

 Maybe it's just the calculation formula, too...

 (For the GM it was mostly missing initialization, but also the formula)

 And it would make sense to check SAMNMAX. It might have a different
 initialization and formula.
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Ticket URL: <https://bugs.scummvm.org/ticket/13460#comment:10>
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