Impulse Tracker IT

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IT

  • Format Type : Audio
  • Endian Order : Little Endian
  • Signature : IMPM


Format Specifications

// header (128 bytes)
4 bytes (char) - signature // "IMPM"
26 bytes (char) - song name // e.g. "Atomica MooZics"
1 byte (uint8) - rows per beat
1 byte (uint8) - rows per measure
2 bytes (uint16) - number of sequenced patterns in song
2 bytes (uint16) - number of instruments in song
2 bytes (uint16) - number of samples in song
2 bytes (uint16) - number of patterns in song
2 bytes (uint16) - tracker ID  // e.g. 0x17 0x02
2 bytes (uint16) - tracker compatibility  // e.g. 0x00 0x02
2 bytes (uint16) - flags
2 bytes (uint16) - special


// TODO

Notes and Comments

  • Several chunk types are supported:
    • PNAM - pattern names
    • IMPI - instrument code
    • IMPS - unknown
    • CNAN - channel names

Games

List of games using this file format:

  • Atomica Deluxe (PC) (*.IT)
  • Deux Ex
  • Grid Wars
  • Jazz Jackrabbit 2 (PC) (*.IT)
  • Pocket Tanks
  • South Park Rally (PC) (*.IT)
  • Unreal
  • Unreal Tournament

QuickBMS Script

Not written yet.

Compatible Programs

  • Impulse Tracker
  • OpenMPT
  • VLC Media Player
  • XMPlay

See Also