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BRSTM file

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BRSTM files store sound data. They're used in Mario Kart Wii and possibly other games.

They contain an header, followed by a HEAD chunk and a ADPC chunk. All the data in those files are big-endian, except where mentioned.

BRSTM header

The header is 64 bytes long.

Offset Size Description
0x0000 4 "RSTM" (0x5253544D)
0x0004 4 Magic (0xFEFF0100)
0x0008 4 Size of the whole file