07631: itaten: Part of sound tone is different from PCB.

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
07631	Sound	Minor	Always	Apr 29, 2020, 06:38	Jan 25, 2023, 23:36

Tester	sasuke	View Status	Public	Platform	MAME (Official Binary)
Assigned To		Resolution	Open	OS
Status [?]	Acknowledged			Driver	nichibutsu/dacholer.cpp
Version	0.220	Fixed in Version		Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	07631: itaten: Part of sound tone is different from PCB.
Description	The PCB sounds like with a low-pass filter on the sound of the 2nd AY-3-8910. It is not square wave, but like sine wave. MAME Movie: PCB Movie:
Steps To Reproduce
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	itaten

Attached Files

No.17582 sasuke Tester Apr 29, 2020, 06:43 edited on: Apr 29, 2020, 06:44	I'm not sure if dacholer and kickboy has the same problem.
No.21041 TremiRodomi Tester Jan 25, 2023, 23:36	Chiming in to also add another PCB verification: The ACA port seems to also corroborate the specific sound filtering of the PCB: