BRSTM Audio Stream
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What is a BRSTM file?
A BRSTM file is an audio file used by a Nintendo Wii or GameCube video game. It contains a sound effect or background music that is played in-game. Video game enthusiasts sometimes extract BRSTM files from Wii and GameCube games, so they can play them on their computers.
Many Nintendo video games include BRSTM files. Most notably, Mario Kart Wii and Super Smash Bros. Brawl use BRSTM format audio. These games' fans have created utilities that allow them to extract, play, and convert the audio that BRSTM files contain.
Gamers have also created tools that allow them to create custom BRSTM files. For example, Brawl Custom Song Maker can convert .WAV, .MP3, .OGG, and .FLAC audio files into BRSTM files, which savvy gamers can import into their video games.
How to open a BRSTM file
You can open BRSTM files and play the audio they contain with VideoLAN VLC media player (multiplatform) or BrawlBox (Windows). BrawlBox is a free program that allows gamers to open and edit Nintendo game resources.