PS2 OPL 1442: Audio streaming issues during game?

R

resd2a

Member
Hi, I noticed some audio clipping while running a game from my hd through OPL 1442, and I am wondering if someone can help me troubleshoot. The game is 007 Nightfire, which is supported according to the compatibility list (https://www.ps2-home.com/forum/page/opl-game-compatibility-list-1) though it is listed as being compatible for SMB only. I installed it myself using HDL Installer.

The audio clipping is strange. It seems to affect background music, and not voiceovers, so I suspect that the hd is having trouble streaming all aspects of the game to the console at once.

Has anyone heard of this happening with other games running through OPL 1442 (or Nightfire specifically) and if so were you able to resolve?

Thank you!
 
I don't have this game. However audio problem usually depend on the HDD streaming too fast.

Try these methods (separately):

1st: MODE 2 ON

2nd: UDMA 3 (if it doesn't solve, keep trying lowering the DMA speed, UDMA 2, 1, MDMA 2, etc... stop when the audio is perfect).

3rd: MODE 1 ON (only if the DMA speed method doesn't work even at MDMA 0).
 
Vedita BR said:
can someone also confirm audio stutter on Fatal Frame 3 via HDD?
Click to expand...

I seems to remember I had to enable some mode on Fatal Frame 1 for audio issues. I don't remember about FF3, I'll check it.
The issue shows in some specific plays? Have you tried some modes?
 
Vedita BR said:
can someone also confirm audio stutter on Fatal Frame 3 via HDD?
Click to expand...

I didn't remember well. It was actually on Fatal Frame 3 I enabled MODE 1 for solving the audio problem.
I have the PAL version (Project Zero) but most probably you can solve the same way.

Also for preserving faster loadings you can try lowering the DMA instead of MODE 1. I don't remember if i tried it. Start from MDMA 0 upward.

[B]@sp193[/B] I remember something about to never enable MODE 1 if lowering the DMA. It could be dangerous for the HDD or is just a useless test (i.e. a MODE 1 + MDMA 0 will lower the speed more or it'd be the same as MODE 1 + UDMA 4)?
 
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