[Scummvm-tracker] [ScummVM :: Bugs] #11393: ScummVM engaging Windows Surround Sound plugins

[ScummVM :: Bugs]

#11393: ScummVM engaging Windows Surround Sound plugins
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Reporter:  Purplemoustache  |      Owner:  (none)
    Type:  defect           |     Status:  new
Priority:  normal           |  Component:  --Unset--
Keywords:                   |       Game:
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 ScummVM 2.1.1a (Feb 3 2020 21:46:14)

 Using following sound settings:
 Preferred Device MT-32 Emulator (with roms at the base installation
 directory)
 AdLib emulator set to OPL3LPT

 GM device set to Microsoft GS Wavetable Synth [Windows MIDI]
 Using the latest version of the FatBoy MIDI soundfont (housed in the
 ScummVM extras folder)

 I am a surround sound enthusast without the space, money or time to
 actually...have a surround sound setup. As a result, I use the system
 level windows virtual surround plugins, Windows Sonic, Dolby Atmos for
 Headphones, and DTS:X. I have all 3, but mostly use DTS:X, and
 occasionally Dolby Atmos. The way these plugins work is, if engaged, will
 pass through stereo and mono audio as Stereo/Mono and not turn on, but if
 a 5.1 or 7.1 (and presumably quad, tri, etc) signals are sent by an
 application it will switch on and down mix those signals to a stereo
 signal built for headphones. Bonus points if the application was built
 with DTS:X or Dolby Atmos For Headphones in mind, as a special version of
 the plugin will kick in based on object based 3D audio.

 ScummVM engages this for all games, mono, stereo, old, new, etc. You can
 tell when it's "on" as opposed to passing through a stereo/mono signal by
 clicking the windows volume slider icon on the dock, a small message that
 says "[Insert plugin name here] is in use" just below the volume slider.
 The audio... does sound like it's being processed, forcing output to two
 channels to the front of the user. Considering (AFAIK) no games in ScummVM
 output true surround sound, this is an oddity.
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Ticket URL: <https://bugs.scummvm.org/ticket/11393>
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