1. Sound driver (SDDRVS.TSK) The sound driver program itself is an executable binary data file. Supplied as a sound tool.2. Sound area map (name is arbitrary) Binary data file that combines all area maps in the game. Game Since it differs depending on the type, ask the sound creator to create it. For details of the sound area map, see “Chapter 6 Supplementary explanation 6.8 Sound area map”. It is in the section of “P”.