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[GB Audio] crackly instruments in Adventures of Lolo music #1925

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@bryc

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@bryc

I've noticed the title screen music of Adventures of Lolo (SGB) sounds noticeably scratchy/crackly in mGBA compared to other emulators.

It's hard to explain the issue in words, so here is an audio comparison between mGBA, NEZplug (dedicated .GBS player) and VBA-M. I would've included SameBoy and Gambatte, but can't seem to mute channels in there, but they sound fine. This is just Pulse 1&2.

Here: lolo_compare_flac.zip, contains mgba.flac, nezplug.flac, vbam.flac.

Basically, everything except mGBA sounds 'smoother' in this song and generally more pleasant. And I don't mean that it's less "clicky", but it seems the transition between volume levels in the instrument envelope itself is much harsher or less smooth in mGBA.

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    hardware:audioIssues in the audio subsystemplatform:GB/GBCGame Boy/Game Boy Color-related issues

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