Custom music (using sceMp3) sometimes plays at the wrong pitch

[Jack54guythecoder]

Game or games this happens in

Ultimate Board Game Collection (Europe)

What area of the game / PPSSPP

The game has a CUSTOM SOUNDTRACK Feature, however, when you decide to use it with some of your songs, it works in a wonky way

ULES01017_2025-04-13_16-37-01.zip

Heres the ingame result, i will also provide some of the songs i have used:

I can not upload the songs themselves, because it takes a while.
01 - Worms 3D Fanfare Title Theme

1. 3D Hopper - Title Screen
2. Build a Trail
3. Confidential Money PSP Track 4

What should happen

Audio playback should be normal

Logs

No response

Platform

Android

Mobile device model or graphics card (GPU)

Release CPU: GenuineIntel ABI: x86-64 OS: Microsoft Windows 10 (x64) 10.0.19041 Page Size: 4096 bytes RW/RX exclusive: No 3D API: Vulkan API version: 1.3.0 Device API version: 1.3.260 Vendor: NVIDIA VendorString: NVIDIA GeForce RTX 3050 Laptop GPU Driver: 546.80.0.0 Depth buffer format: D24_S8 Refresh rate: 60.00 Hz

PPSSPP version affected

v1.18.1-1695-gedf2975a2c

Last working version

No response

Graphics backend (3D API)

Vulkan

Checklist

• Test in the latest git build in case it's already fixed.
• Search for other reports of the same issue.
• Try resetting settings or older versions and include if the issue is related.
• Try without any cheats and without loading any save states.
• Include logs or screenshots of issue.

[Jack54guythecoder]

I might upload the links here, if you wish:

https://eta.vgmtreasurechest.com/soundtracks/confidential-money-psp-gamerip-2012/dhiincdlkb/04.mp3
https://kappa.vgmsite.com/soundtracks/worms-3d-original-game-soundtrack-2003/zcppwrevso/01%20-%20Worms%203D%20Fanfare%20Title%20Theme.mp3
https://vgmsite.com/soundtracks/nintendo-3ds-guide-louvre-ost/zctnhbfgdd/2.%20Main%20Menu.mp3
https://eta.vgmtreasurechest.com/soundtracks/3d-hopper-3d-paddleball-3ds-gamerip-2010/qxhjlpxibc/01.%203D%20Hopper%20-%20Title%20Screen.mp3

[hrydgard]

Don't have this game but I've been using Wipeout Pulse instead to test MP3 playback:

• Confidential Money 04.mp3 - Plays distorted and at a completely wrong pitch, it's a 22khz song.
• Worms 3D fanfare: Plays fine as far as I can tell
• louvre Main Menu.mp3: Wrong pitch, it's a 32khz song
• 3D Hopper: Plays at a noticably wrong pitch. It's a 48khz song

Well, the conclusion is simple - our mp3 player needs to have built-in sample rate conversion, since it seems the game isn't taking care of this during playback.

Did a quick attempt at implementing this but it ended up a bit too complicated - leaving it for 1.20.

[Jack54guythecoder]

So this will be fixed by the time 1.20 comes around, right?

[hrydgard]

Tagging it for 1.20 means that I'll take a look at it during the release process for 1.20. So, probably, unless there's some complication making it even harder than expected, in which case I might deprioritize it.