Hacking [Release] Persona 1 Undub

AlternativeZero · Apr 26, 2018

It's finally here, an actual complete undub for Persona 1 on the PSP.

I originally approached Canzah as I got the SDK working and was able to encode .pmf videos without any issues but after running into a few issues this was left on the back-burner until requesting assistance with FTI and IcySon was able to get it working.

Extract files.
Run Persona 1 Undub Patcher.exe.
Select unpatched Persona .iso as the source file.
Choose desired output directory and filename.
Select "Patch".

NOTE: This does not replace the PSP OST with the PSX OST.

⌈DOWNLOAD⌋
MEGA

Credits:
@IcySon55 - Hacking and Tools
@AlternativeZero – Timing, TL and TLC
@Canzah – QC and Original Repack

Snintendog · Apr 26, 2018

Good i found ya off of reddit thanks again for your work. I am Getting an error trying to open it with 7z I ran a checksum not sure if something went wrong with the upload or the compression.
Checksum SHA-256: 923B49AA70DDAF677DFCC036186C0B1F993ABCCAEE0ADBC2282AFD8286153039

Edit needed to update my 7zip sorry for the false alarm.

Sabil · Apr 26, 2018

Hi, I want to report a possible bug:
The Movie "Strange Phenomena" doesn't have the character's sound, is this intentional?

vergil2012 · Apr 26, 2018

Thanks for this.

So the undub is for the PSP game ''Shin Megami Tensei: Persona'', right?

Canzah · Apr 27, 2018

Sabil said:
Hi, I want to report a possible bug:
The Movie "Strange Phenomena" doesn't have the character's sound, is this intentional?

Yes, Japanese version didn't have voices in those cutscenes at all, just music and text.

IcySon55 · Apr 28, 2018

vergil2012 said:
Thanks for this.

So the undub is for the PSP game ''Shin Megami Tensei: Persona'', right?

That's right.

alienaniki · Oct 21, 2018

thanks so much for doing this!

Pokemanic33 · Feb 29, 2020

Hey, hate to necro this thread with a brand new account to ask a menial question but...

Is there a way to use both this and the PSX music patch? Perhaps I'm being a choosy beggar, but I'd like to be able to use both at once. I tried using this patch on a PSX music patched ISO (and vice versa), but the checksums didn't line up.

Canzah · Apr 2, 2021

Pokemanic33 said:
Hey, hate to necro this thread with a brand new account to ask a menial question but...

Is there a way to use both this and the PSX music patch? Perhaps I'm being a choosy beggar, but I'd like to be able to use both at once. I tried using this patch on a PSX music patched ISO (and vice versa), but the checksums didn't line up.

I'll necro this as well for posterity just in case someone ever wonders about it in the future.
That PSX music patch was made by me purely as a proof of concept and was never meant to be public.
It only restores about 1/3 of the PSX soundtrack because the PSP version has much less tracks than the PS1 version did.
Furthermore due to the LBA protection on the game, extreme concessions were taken to even get the tracks working, such as shortening them or using substantially lower quality.
As such, I truly do not recommend using that patch, it was merely a proof of concept and was never meant to be public, you'll be doing yourself a disservice by using it as it is VERY LOW QUALITY.

1mongus · Aug 5, 2022

The .exe doesn't open no matter what I do and external patch applications don't work. Any help?

linuxgamer32872339457 · Jan 25, 2024

is there a way to manually install the patch without a windows exe for those of us who don't have windows?

Hacking [Release] Persona 1 Undub

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