09518: rsgun: Wrong Reverb effects

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
09518	Sound	Minor	Always	1 day ago	12 hours ago

Tester	danylopez123	View Status	Public	Platform	MAME (Official Binary)
Assigned To		Resolution	Open	OS	Windows (x64)
Status [?]	Confirmed			Driver	sega/stv.cpp
Version	0.289	Fixed in Version		Build	x64
		Fixed in Git Commit		Github Pull Request #

Summary	09518: rsgun: Wrong Reverb effects
Description	The Reverb effect in Radiant Silvergun seems to have an incorrect timming which causes the musics to sound weird with them, is like the Reverb effect happens before the normal-volume instruments. Compared to the Saturnus core from Mednafen, the Reverb effect is correct, it's the same result of how the Saturn version should be. I've included both recordings: In MAME and in Saturnus (Used BizHawk to make this easier) The Saturnus recording resulted a bit more quiet than MAME so i made it louder to kinda match the MAME volume.
Steps To Reproduce	Either listen to the musics in the game service menu or just play the game and notice the Reverb effect.
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	rsgun

Attached Files	rsgun.mp3 (2,156,042 bytes) 1 day ago Uploaded by danylopez123 Recording from MAME 0.289
Attached Files	rsgun saturnus.mp3 (2,180,493 bytes) 1 day ago Uploaded by danylopez123 Recording from Saturnus from Mednafen (Used BizHawk)

No.24570 Kale Developer 1 day ago	Yeah, I noticed this, is it a regression?
No.24572 danylopez123 Tester 1 day ago	I can't say if this is a regression, it was late for me because at one point I got curious about this game and I tried it on a way more later MAME version, so I can't say if this happened in previous MAME versions.
No.24576 Keade Tester 12 hours ago	0.152 sounds closer to the Mednafen recording. Have tried a bunch of releases onwards (153, 154, 155, 157, 163, 174) and they all sound similar to 289. I haven't tried anything between 174 and 289.