Sound Flags
HexMotS/JKPurpose
0x1JKLoops until stopped.
0x2JK 
0x4JKAmbient; does not use panning.
0x8JK 
0x10JK 
0x20JK 
0x40JKSound pos is world coordinates.
0x80JKSound pos moves with thing.
0x100JKRaise sound play priority.
0x200JKUnknown. Used for Kye's deathUnder sound.
0x400JK 
0x800JKUnknown. Used for the Probe's activate sound in combo with 0x1
0x1000JK 
0x2000JK 
0x4000JKUnknown. Used for Kyle's run, walk, and hurt sounds. Very common flag. Often used with voices.
0x8000JK 
0x10000JKCannot be overridden by other sounds.