XWV

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The sound format used by Valve's Xbox 360 games. Still being researched...

No Known values listed = one value is consistent across all tested files. Except for the id field it appears to be Big Endian.

Header

DWORD id = 1482118688 "XWV " (Xbox Wave (Little Endian) or Valve Wave Xbox (Big Endian))

DWORD magic1 = 4

DWORD magic2 = 48

DWORD magic3 = (known values 156, 172, 192, 324) increases with file size

DWORD magic4 = 2048 (header size?)

DWORD magic5 = (filesize - magic4)

DWORD magic6 = (kv 268288, 204288, 243200, 471040) proportionally increases with file size (double file size doubles this)

DWORD magic7 = -1

DWORD magic8 = 0

DWORD magic9 = 16

DWORD magic10 = 17826305

DWORD magic11 = 1258356736

DWORD magic12 = (known values 6144, 7680, 5632, 2 files of vastly different sizes both had 7680)

DWORD magic13 = (kv 14848, 13312, 13824) (2 files of different sizes both had 13312, bigger files have had smaller numbers)

DWORD magic14 = (kv 20992, 19968)

<more magics, always seem to be similar between files and slightly bigger in bigger files>


At offset of magic4: Always "<"