scmJS docs

WAV

StarEdit's list of the sounds in the map: the name of each sound file in the archive, as a string number. The game does not read it. A Play WAV or Transmission action stores the string number of its sound itself, not a place in this list.

Name WAV␠ (57 41 56 20)
Size 2048 bytes.
Read by Editors only. The game skips it.
Required No.
More than one copy Only the last copy counts.
In scmJS Read, and written again when you change what it holds.

Layout:

Offset Type Holds
0 u32 × 512 The name of each sound, a string number; 0 for an empty slot