Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
08567 Sound Minor Always Feb 21, 2023, 08:00 Mar 1, 2023, 06:41
Tester Fujix View Status Public Platform MAME (Official Binary)
Assigned To Resolution Open OS Windows 10/11 (64-bit)
Status [?] Confirmed Driver
Version 0.251 Fixed in Version Build 64-bit
Fixed in Git Commit Github Pull Request #
Summary 08567: equites: Sound pitch is too low.
Description Sound pitch is too low in Equites in MAME.
The board has a potentiometer to adjust the pitch, so it is said that the correct pitch is unknown, but a former Alpha Denshi employee Hatono has posted an "official" mp3 file of the correct pitch on his site at
The MSM5232 clock should be between 33% and 34%.

A Japanese PCB collector mentions this problem in his YouTube video:
Steps To Reproduce
Additional Information
Github Commit
Regression Version
Affected Sets / Systems equites
Attached Files
There are no relationship linked to this issue.
User avatar
Feb 21, 2023, 23:56
I remember adjusting all equites.c games years ago (you helped as well) based on a recordings from nicovideo claiming it was PCB. At the time all of the then current settings were all quite inaccurate. If there is new "reference" recordings from actual developers, this may be a good path to follow. The fact that the adjusters for both voice and music are on the board doesn't lend itself to a "default".
User avatar
Feb 22, 2023, 04:48
Yes, it means the sound pitch on the PCB was wrongly adjusted.
Why on earth did they put the potetiomenter for pitch adjustment on the board???
User avatar
Mar 1, 2023, 06:41
Too add the sounds effects has low filters, all in different states