BG2, BG2: ToB

This file format determines variation for playback of wave sounds. A WFX file controls the variation for the the WAV file with the same basename (e.g. mysound.wfx controls the variation for mysound.wav).

WFX files only contain a header section. Each WFX file has a constant length of 108h (264) bytes.

Offset	Size (datatype)	Description
0x0000	4 (char array)	Signature ('WFX ')
0x0004	4 (char array)	Version ('V1.0')
0x0008	4 (dword)	SR Curve Radius
0x000c	4 (dword)	Flags: bit 0: Use cutscene volume reduction (reduces all sound channels volume 25% and music volume 50% like in a cutscene) bit 1: Use custom SR curve radius bit 2: Use random frequency variation bit 3: Use random volume variation bit 4: Do not use environmental audio
0x0010	4 (dword)	Random frequency variarion
0x0014	4 (dword)	Random volume variation (% of 100)
0x0018	240 (bytes)	Unused