- ID: unique name of the acoustic space
- Environmment type: drop-down list of DirectSound reverb presets
- Use Sounds From Region: drop-down list of existing Regions. That region's sound data will now play back with its current settings in this acoustic space. Corresponds to regions set up in World --> Regions.
- Looping Sound: sound that will be looped in this acoustic space. Typically a stereo looping file to provide unique background noise or roomtone.