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High-Quality Sound Mixing for Mother 3 (Fan Translations)

Hack of Mother 3


  • Mixes every individual channel at 16-bit audio before downsampling everything to 8-bit audio as opposed to the default m4a mixer which mixes every channel at 8-bit audio (blame the GBA’s DAC!)

    • This hack greatly reduces the number of quantization/rounding errors that pop up during the mixing process, making the classic GBA “background hiss” much quieter while making Shogo Sakai’s music sound crispier than ever! Results seem even better when played back on actual hardware. Enjoy!!

    DISCLAIMER FOR SPEEDRUNNERS: This patch **does modify the RNG used by MOTHER 3 and will most likely give you unexpected results!** Because of that, any TAS recordings of MOTHER 3 will be broken by this hack. You have been warned!!

    INSTRUCTIONS for xdelta patch: Apply the “Mother 3 (Fan Translations)” XDELTA patch to your game with or AFTER you have translated your Japanese copy of MOTHER 3!

    KNOWN COMPATIBLE VERSIONS with xdelta patch:

    • Dutch v1.0
    • English v1.3
    • German v1.1
    • Polish v1.0

    KNOWN INCOMPATIBLE VERSIONS with xdelta patch:

    • Italian v1.1.1
    • Portuguese v1.0


    • HQ sound mixer ingeniously programmed by ipatix, inspired by “Golden Sun”:
    • Mixer preparation and hacking by Summer Dragonfly (xkas format by Near/byuu:
    • Mother 3 decompilation and technical support: Kurausukun and theo3 (
    • Extra technical support: phoenixbound, Lorenzooone, and Yosuke
    • Special thanks to the Mother 1+2 Fan Translation/Sound Restoration project and the PRET Discord community!

    Report any bugs found to

    ROM / ISO Information:

    • Database match: Mother 3 (Japan)
    • Database: No-Intro: Game Boy Advance (v. 20210227-023848)
    • File/ROM SHA-1: 4F0F493E12C2A8C61B2D809AF03F7ABF87A85776
    • File/ROM CRC32: 42AC9CB9




    ContributorType of contributionListed credit
    ipatixHackingHQ sound mixer programming
    Kurausukun and theo3HackingDecompiling; technical support

    User Review Information

    Noticeable improvement!!

    Reviewed By: cinnamonroll on 23 Jun 2022

    I listened back and forth and the difference was apparent. Less hissing, more crisp sound. Might be too subtle for some, but with headphones it’s hard not to hear.

    This game has an amazing soundtrack, so this hack is very much appreciated!!!

    Version 1.0 Recommended - Yes

    User Reviews
    Noticeable improvement!!cinnamonroll23 Jun 20221.0Yes