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424 bytes added ,  16:37, 21 September 2009
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BRSTM files store contain ADPCM sound data. They're used in Mario Kart Wii and possibly other games.
They contain an header, followed by a HEAD chunk, a ADPC chunk and a DATA chunk.
| Unknown/Padding (zero)
|}
 
=== HEAD chunk ===
 
The head chunk is typically 256 bytes long.
It contains what looks like the ADPCM table and YN1/YN2, twice, probably once for the first part
and once for the last (looping) part.
It also contains some other unknown stuff.
 
=== ADPC chunk ===
 
The ADPC chunk is typically 1216 bytes long.
It seems to contain some other ADPCM table.
 
=== DATA chunk ===
 
The DATA chunk contains ADPCM sound data.
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