DJMax Technika PT Song Format

header

4 bytes of 50 54 46 46("PTFF")
2 bytes Version (always 01 00 / 00 06 means Ver1.0 / Ver 0.6)
2 bytes Ticks per measure
4 bytes Master BPM (float)
2 bytes Number of tracks
4 bytes Total Ticks (Ticks of the very last note of the pattern)
4 bytes Time (in seconds) (Convert as Tag B in current version)
2 bytes Number of sounds

Sounds Table

Starts at offset 0x18
An array of entries that are 0x43 (68) bytes in size each:
- 2 bytes index
- 2 bytes command
- 0x40 (64) bytes filename

Tracks

Track header: Total 80 bytes
- 4 bytes Track initializer 45 5A 54 52 ("EZTR")
- 2 bytes blank
- 64 bytes Name of Track (string)
- 4 bytes Tick (means the position of the last note of the track, int)
- 4 bytes Size of data (excluding header, means Num of objects * Size of individual notes)
- 2 bytes blank

Notes

An array of commands (0x10 bytes each):
- 4 bytes position
- 1 byte command type
- 3 bytes blank
- 8 bytes of params

Command types (Also see bytes-format.md)

Params

From offset 0x08 of each note

General Note (Command = 1)
- 2 bytes Sound index in sounds table (0 ~ 1023)
- 1 byte Volume (0 ~ 127)
- 1 byte Pan (0 ~ 127)
- 1 byte Attribute (0 ~ 255)
- 2 bytes Duration (6 if not long note)
- 1 byte blank
Volume Note (Command = 2)
- 1 byte Volume (0 ~ 127)
- 7 bytes blank
BPM Change Note (Command = 3)
- 4 bytes Tempo (float)
- 4 bytes blank
Beat Note (Command = 4)
- 2 bytes beat (0 ~ 65535)
- 6 bytes blank