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Reply 80 of 86, by KainXVIII

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Yesterplay80 wrote:

James-F pointed me towards this thread and the patch and asked me if I could integrate it in my enhanced DOSBox builds. And so I did, so starting from Version r4003 PC speaker playback should sound better using my enhanced builds (see signature). 😀

Tried Wizardry 7 (mt-32+pc speaker) with your dosbox build - every sound effect is now so earpiercing 😵

Reply 81 of 86, by James-F

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Add this line to dosbox autoexec.bat section:

mixer spkr 25

The PC-Speaker is really high in comparison to PCM audio, so that fixes it.


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Reply 82 of 86, by Yesterplay80

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VileRancour wrote:

Hope this helps. It looks like this patch generally improves accuracy in every test case I've tried, *except* this one. Are there any other regressions that anyone can see?

A bit late, but "Descent 2" has a problem with this patch when the PC speaker is disabled in the config. It won't start the intro sequence, even if the game isn't putting out sound over the speaker but over SB.

My full-featured DOSBox SVN builds (without debugger) for Windows: Vanilla DOSBox and DOSBox ECE (Enhanced Community Edition)

Reply 84 of 86, by Yesterplay80

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The game doesn't even use the speaker, it's just not starting when I disable the speaker in the conf-file, even if it puts the sound out over Soundblaster. It works with vanilla DOSBox, with the same conf, so it has to be a problem with this patch.

My full-featured DOSBox SVN builds (without debugger) for Windows: Vanilla DOSBox and DOSBox ECE (Enhanced Community Edition)

Reply 86 of 86, by VileR

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James-F wrote on 2020-06-09, 05:02:

Dosbox PC speaker emulation is still broken in 2020.
Any reason this patch which is accurate to real hardware is not part of the official dosbox yet?

I'd assume it's the regression cases that have been mentioned.
Adding to that: I've also noticed that speaker music played with MONOTONE sounds somewhat off with this patch (will provide comparisons if needed).

It'd be great if this patch could be integrated - it also makes my own little game sound more accurate 😉 but apparently there are still issues in how the output is modeled...

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