1. DeusExMachina_CC

    OP DeusExMachina_CC Newbie Newcomer

    Feb 6, 2021
    United States
    I have filed a complete index of "editable" US/UM BGM -- almost all files in the romfs/data/sound directory except for some short sound effects and cutscene sounds which are not ideal objects to edit -- see attached file.

    Below is a tutorial of creating and replacing in your custom BGM. Note that it is not a new discovery, but I choose to rephrase the process in case anyone would need:
    1. In Adobe Audition (or any audio format transformer you are familiar with):
    · Import your source music, in "Save as" menu, change output format to .wav, 2 channel, 16bits.
    · Change sampling rate to either 44100Hz for higher quality, or 32728Hz for smaller volume.
    2. In BrawlBox:
    · Choose drop menu "File - New - Audio - BRSTM Audio Stream" and then select your transformed material.
    · Enable "Loop" and test with start & end loop points. The "*" button sets the point at current playing location, and ↑↓ buttons move it by 14 samples.
    · It usually takes an initial approximate locating; then rough adjustments by ↑↓ buttons; and finally accurate tuning to gain a smooth looping.
    · Encode and save to get a .brstm file.
    3. In BRSTMConversionTool:
    · Set "limit bytes on" according to your need in window "Quality".
    · Enable "Loop start ..." (no need to imput start/end point here) in window "Loop".
    · Choose a gain factor (enhance rate) in window "Volume".
    - You can compare with original bcstm files for a concept of "appropriate amplitude"
    - 32728Hz should generally be as load, while 44100Hz plays lower in game so should be made to sound about 50% loader.
    · Transforms the .brstm to a .bcstm file.
    4. Look up the Index list to find the corresponding origianl file under romfs/data/sound. Rename your .bcstm (do not mix with .brstm!) accordingly and substitude into the category.
    Caution: File size of your final pack should not exceed 4GB! Disregard if you publish in the form of mod.

    Attached Files:

    WiiEJECT, Nutez and 1B51004 like this.
  2. PaiDaXing

    PaiDaXing Member Newcomer

    Apr 11, 2020
    Nice! But it's hard to imagine how big music files make the final size of the game exceed 4G. :rofl2:
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