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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



    RHDN Hack Image


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

    User Review Information

    The way Mother 3 was meant to sound

    Reviewed By: SleepyFist on 26 Nov 2022

    Listening to the improved playback, and the difference is night and day! I highly recommend this, the improved sound clarity is well worth it.

    Version 1.0 Recommended - Yes

    User Reviews
    The way Mother 3 was meant to soundSleepyFist26 Nov 20221.0Yes
    Noticeable improvement!!cinnamonroll23 Jun 20221.0Yes