09340: scion: Discrete sound effects are not emulated properly

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
09340	Sound	Minor	Always	1 day ago	4 hours ago

Tester	JimCarlTay	View Status	Public	Platform	MAME (Official Binary)
Assigned To		Resolution	Open	OS	Windows (x64)
Status [?]	New			Driver	seibu/wiz.cpp
Version	0.280	Fixed in Version		Build	x64
		Fixed in Git Commit		Github Pull Request #

Summary	09340: scion: Discrete sound effects are not emulated properly
Description	Compared to the Arcade Archives version, the game as emulated on MAME appears to rely solely on the AY-3-8910A PSG chips for sound effects, with no discrete sound effects to be heard. Tested with version 0.280 as the bug still happens on my current nightly build (b34bb05). Gameplay video of the Arcade Archives version for reference:
Steps To Reproduce	Load the game and start it by inserting a coin. Play through the first area and compare the sound effects heard to the ones as heard on the reference video.
Additional Information	The Arcade Archives video occasionally defaults to an auto-dub in "English" that induces a mistaken voice line ("Wow"). Before you view the video, make sure to change the video language to Japanese (Original) to ensure accuracy to real hardware (and the music sounds clearer there too).
Github Commit

Flags	Verified with Original
Regression Version
Affected Sets / Systems	scion

Attached Files

No.23958 hap Developer 23 hours ago edited on: 23 hours ago	You claimed there's a voice saying "Wow" at 1:47. I don't hear any "Wow" voice in the video link after finishing the stage. Auditory illusion? :P
No.23959 JimCarlTay Tester 23 hours ago	It still sounds like "Wow" to me. Try a second earlier (1:46).
No.23960 JimCarlTay Tester 23 hours ago	(In the video). But in the game as emulated on MAME, I don't hear any voice lines.
No.23961 hap Developer 23 hours ago	I agree that the discrete explosions and shot sounds different (although this is Arcade Archives, not a PCB). But nope, no wow voice.
No.23962 JimCarlTay Tester 22 hours ago	Just found a real hardware video. The sound there is just like the video of the Arcade Archives version I put up in the description.
No.23963 Haze Senior Tester 22 hours ago	I can hear the 'WOW' very clearly in the Arcade Archives release, but it doesn't sound like it's coming from the game? I can't hear it at all in the real hardware video.
No.23964 JimCarlTay Tester 21 hours ago	The "Wow" thing seems like a mystery to us, and very certainly so.
No.23965 JimCarlTay Tester 20 hours ago	UPDATE: It was a side effect of an English auto-dub on the Arcade Archives video. Setting the language to Japanese Original means that the "Wow" soundbite is non-existent.
No.23966 Haze Senior Tester 16 hours ago	So this is some YouTube AI bullshit? Good to know YouTube is now destroying potentially useful reference material...
No.23967 hap Developer 6 hours ago	Youtube auto-dub can be disabled. Note that discrete sounds are emulated, just incorrectly (shot sound and explosions).