[Scummvm-tracker] [ScummVM :: Bugs] #11563: Legend of Kyrandia fluctuating MT-32 music volume

[ScummVM :: Bugs]

#11563: Legend of Kyrandia fluctuating MT-32 music volume
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Reporter:  lawadr  |      Owner:  (none)
    Type:  defect  |     Status:  new
Priority:  normal  |  Component:  Audio: MT32
Keywords:          |       Game:  Kyrandia 1
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 Something is very wrong with the MT-32 music during Legend of Kyrandia
 (CD/DOS/English).

 Issue/reproduction:

 1) Select "MT-32 Emulator" and make sure "Mixed AdLib/MIDI mode" is off.
 2) Turn down all three volume sliders but DO NOT "Mute All".
 3) Start the game and exit the first room to trigger the scene with the
 talking tree.
 4) Notice one of the audio channels is very loud? It's not affected by the
 volume sliders.

 This also happens with an external Munt setup. It doesn't seem to happen
 when "Mixed AdLib/MIDI mode" is turned on, for some bizarre reason.

 I've noticed the volume go out of whack at seemingly random times just
 playing the game, lasting until I reach a music transition. It might
 possibly be related, and so the above is the best reproduction case.

 I've tested this on the ScummVM 2.0 that's distributed with the GOG
 release of the game, as well as the latest ScummVM 2.1.2, both on Windows
 10.

 I'm not sure if it's an Engine: Kyra specific issue or a general MT-32
 issue.
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Ticket URL: <https://bugs.scummvm.org/ticket/11563>
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