dor123 wrote on 2022-12-03, 16:21:

I don't know where to post, so I post this thread here:
I search in Google, and all of the result are either broken, obsolete or hard to do.
Can anyone have a driver of the Gravis Ultrasound?

http://vogonsdrivers.com/index.php?catid=8&menustate=49,38

I don't know what to choose.

dor123 wrote on 2022-12-03, 16:54:

I don't know what to choose.

I don't know, either... there's at least six GUS models, and you haven't stated which exactly you have.

I need a GUS driver for my DOSBox 0.74-3. The current files I have for the GUS, don't causes improvements in sound quality over SB.

dor123 wrote on 2022-12-03, 17:02:

I need a GUS driver for my DOSBox 0.74-3. The current files I have for the GUS, don't causes improvements in sound quality over SB.

Respectfully, since we don't know

a) what you currently have in DOSBox in terms of drivers
b) what game(s) or demos you are trying to use with sound
c) whether you are actually configuring said games for a Gravis Ultrasound (and whether any games detect one, if they have that capability)
d) what you are expecting in terms of improvements over an SB

it is hard to try to answer you effectively .

I downloaded GUS drivers from here and installed them using this guide. I don't think I used any futher fixes or additional files. They work fine with DOSBox SVN builds and DOSBox ECE.

I already downloaded an updated GUS driver for DOS, but I don't remember from where I downloaded it. Looks like most of my games that I have that supports GUS, don't utilizing the higher sound and music quality of GUS versus Sound Blaster 16 card. The games include Pinball Dream, Pinball Fantasies, Pinball 4000, Epic Pinball, Silverball and Jazz Jackrabbit.

dor123 wrote on 2022-12-10, 14:41:

The games include Pinball Dream, Pinball Fantasies, Pinball 4000, Epic Pinball, Silverball and Jazz Jackrabbit.

All of these (except the earlier standalone version of Pinball Dreams) take advantage of the GUS's hardware mixer. The improvements in sound quality are more noticeable on a real GUS.

dor123 wrote on 2022-12-10, 14:41:

Jazz Jackrabbit

I'm pretty certain Jazz Jackrabbit does not even require the patches to be installed to use GUS in DOSBox (just set gus=true). I've also found the sound quality in this and some other games far better compared to DOSBox' SB emulation. Also there's at least one (Bref) that outright glitches when it uses SB in DOSBox.