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First post, by schlang

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Hi, I have a question related to SoftMPU.

There is a known issue with almost every Creative Labs Sound Blaster that games freeze randomly if you select MPU-401 MIDI output on the Sound Blaster.
Is it possible to find and fix the bug utilizing SoftMPU?

This is reproducible e.g. with Tie Fighter.

Read more:
Vintage ISA DOS Gaming Sound Card Rankings System
SB Vibra 16S / Vibra Pro / AWE64 output quality

Thanks.

PC#1: K6-III+ 400 | 512MB | Geforce4 | Voodoo1 | SB Live | AWE64 | GUS PNP Pro
PC#2: 486DX2-66 | 64MB | Riva128 | AWE64 | GUS PNP | PAS16
PC#3: 386DX-40 | 32MB | CL-GD5434 | SB Pro | GUS MAX | PAS16

Think you know your games music? Show us: viewtopic.php?f=5&t=37532

Reply 3 of 7, by PhilsComputerLab

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Never heard of this. What games freeze? One of the linked threads mentioned Tie Fighter. What other games are affected.

I agree, just use another card as the main MPU401 interface. Configure the Creative card's MPU401 at 300, and the other card on 330. Make sure no other resources clash.

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Reply 4 of 7, by schlang

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It is only Tie Fighter so far, yes.
But I have no slot left, so I will try my luck with the delay

PC#1: K6-III+ 400 | 512MB | Geforce4 | Voodoo1 | SB Live | AWE64 | GUS PNP Pro
PC#2: 486DX2-66 | 64MB | Riva128 | AWE64 | GUS PNP | PAS16
PC#3: 386DX-40 | 32MB | CL-GD5434 | SB Pro | GUS MAX | PAS16

Think you know your games music? Show us: viewtopic.php?f=5&t=37532

Reply 5 of 7, by GuyTechie

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schlang wrote:

It is only Tie Fighter so far, yes.
But I have no slot left, so I will try my luck with the delay

I know this is an old thread, but having experienced the game freezing issue with a SB16 CT2230 using the MPU401 interface (Dreamblaster X1 waveteable DB) with Mortal Kombat and Mortal Kombat II. Duke Nukem 3D stutters, but does not out-right freeze when Sound FX is set at 16 KHz and above (the higher the sampling rate, the more it stutters).

Doom-based games (Doom, Doom II, Heretic, Hexen) seem fine.

I am also having a hard time finding mentions of games freezing/stuttering with SB16 and MPU in use. This is the first thread I found so far that sounds similar to my experience.

In the thread I opened, I thought I read someone say it was a known issue with Duke 3D and SB16 with MPU. I haven't found that many other people experiencing the same thing (using Google search).

UPDATE: The SB AWE64 Value (CT4520) has the exact issue. Weird because it's not supposed to have the hanging bug, and I thought the game freezing was related. Apparently it is not.

Reply 6 of 7, by heretic

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Sorry for necroposting here but i found exactly the same issue with CT1750+Dreamblaster X2 in Duke 3D. Selecting GM/Waveblaster in settings makes game laggy, freezing for 1-2 seconds each time midi sequence changes. Other games seems fine, tested this in Doom, Doom 2 and Blood. Also got CT4520 but with AWE32 selected in settings it runs smoothly.

Will test this with ESS or Yamaha card today