[ scummvm-Bugs-1158455 ] PCjr/PC Speaker Emulation Sound Muffled

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Mon Mar 7 19:01:15 CET 2005


Bugs item #1158455, was opened at 2005-03-07 13:01
Message generated for change (Tracker Item Submitted) made by Item Submitter
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Category: iMuse/Music
Group: All Games
Status: Open
Resolution: None
Priority: 5
Submitted By: tbcarey (tbcarey)
Assigned to: Nobody/Anonymous (nobody)
Summary: PCjr/PC Speaker Emulation Sound Muffled

Initial Comment:
This is probably not a bug, as I'm sure it's there by
design, but the PCjr + PC Speaker emulation both employ
some sort of [undocumented, as far as I'm aware]
bandpass filter that makes them sound incredibly
muffled and also accentuates the low-end far too much
compared to the originals.

It would be desirable to have any sort of filter be
optional, as it really makes the music sound far worse
than it ought to. I've included a comparison of
ScummVM's PCjr emulation in Monkey Island 1 as opposed
to the PCjr output under DOSBox, and a clip of the MI1
intro on a real PCjr as well. The DOSBox
[non-bandpassed] version sounds much closer to the
original.

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