STX file

STX files are streamed music files in Pikmin. For a list of STX files in the disc, see STX file list.

This information comes from Video Game Sound Converter, and was obtained when dumping STX files:

Encoding: GameCube "AFC" 4-bit ADPCM
Layout: interleave
Interleave: 0x9 bytes
Metadata from: Nintendo .stx header

Additional observations

• All STX files are 44100Hz, except for piki.stx, which is 48000Hz (and unused).
• All STX files have 2 channels of audio.