CD Audio problem in Gran Turismo 2?

3016 Views 10 Replies 7 Participants Last post by dpence, Nov 15, 2001

g8tor

Discussion Starter · Nov 13, 2001

Lewpy Glide for Voodoo3
Null2 sound
Internal CDROM plugin(Pete's seem to slow it down for me)

First it seemed like it was my sound setting, so I tried buffer length and blocks in all combos with no luck. SPU IRQ Hack doesn't seem to matter.

Sound effects are ok but the background music is killing me. On the map, things are "ok" until I choose a race and I'm at the "before the race" screen. Then it's really choppy like "beep -- beep -- beep ..." and when the race actually starts, it's like "ba ba ba ba ba ...". Looking at my cd rom drive, it looks as if it's reading a single note at a time turning on and off, starting and stoping, etc.

Any ideas?

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fivefeet8

· #2 · Nov 13, 2001

Use the internal spu.. Enable all the sound options in epsxe.. The "before the race screen" is slow... Try setting your resolution to 640x480.. set framebuffer to "write" and Off screen drawing to "basic".. It should speed it up.. If not, then it's probably your system.. Post your system specs and lets see..

Is only the sound choppy? Or is the graphic slow too? Your cd rom blinking slowly is correct.. That is normal.. If its blinking really fast, then there is something wrong with either the cd(scratched) or your cd rom drive.. If its not blinking at all and you are staring at a black screen, then your cd rom has become idle.. Some cd rom drives do that..

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g8tor

Discussion Starter · #3 · Nov 13, 2001

I tried your suggestions with no avail.

Maybe it is my system:

AMD K6-III 400 with 160MB RAM
Voodoo3 2000 PCI <--- yes PCI

the thing is the game itself is playable without the background music. I get constant ~45 fps across all resolutions starting from 320x200 to 1024x768. That's weird.

And I've tried couple of other games as well.
Tekken 3 has exactly the same problem. Maybe worse since every 5 seconds it will stop and continue.

Super Puzzle Fighter II Turbo and Final Fantasy Tactics are un-playable. FPS is around ~19. Understandable if we assume that my machine is too slow since Voodoo3 is a 3D card not a 2D.

Will you be confirming that my machine is too slow and I am going to have to wait until I get a new machine to use ePSXe?

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gundam0079101

· #4 · Nov 13, 2001

CD-ROM Speed

How fast is your CD-ROM drive?

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Sorrento

· #5 · Nov 14, 2001

uhmm try to play it from an ISO, it might help

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g8tor

Discussion Starter · #6 · Nov 14, 2001

I have a Pioneer 105S DVD and a Mitsumi CDR which both of them rate at 40x and 16x+ respectively for CDs I think.

ISO's might help but I am not too fond of having all my CDs living on my hard drive.

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e-ternity

· #7 · Nov 14, 2001

uh...
i don't know if this is going to do any good but.....
uh..
have you tried a differend snd plugin??
mine's alrite..
just that it runs slow......but that was before i messed with my plugins and stuff.....
don't know if it runs smoother now...
anyways....

yea....here's my specs for my comp
win 98 p3 500mhz
256mb ram Creative 3d blaster savage4
creat snd blaster live value

sorry if i wasn't any help to you..

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FireGL

· #8 · Nov 14, 2001 (Edited)

try the old plugin segud3d and null2 spu or seal audio(some sound p/b)

it works great on slow machine even in 1024x768 is playable

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dpence

· #9 · Nov 14, 2001 (Edited)

ummm.... maybe I missed it, but whats your average FPS??
the Audio is not CD audio, it's xa audio, which means it has to be decoded and takes CPU time. If your average FPS are under 60 (Ntsc) or 50 (PAL) then your xa audio will be choppy, no fixing it.
It's a simple matter of not haveing enough horses under the engine to do everything at once.

Ok just reread and saw 45FPS. Not going to cut it for XA. and since 45 is for all resolutions your CPU is definately the bottle neck. FPS should increase at lower Resolutions.

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g8tor

Discussion Starter · #10 · Nov 14, 2001

Thanks everybody but it looks like i'm gonna have to wait until I get a new computer

Well, good luck to you guys!

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dpence

· #11 · Nov 15, 2001

sorry dude...
Good thing though, you can get a MB, Athlon 1.2 gig and case pretty cheap now. If your ram is PC 133 you'd not even need to change it... simple dump all your current Hd's, Cd, ram , etc into the new case and go.... It's a cheaper upgrade than going full out.

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