Hierarchy of Audio XMLs:

Reference:

• General XML Concept
• Audio_class.xml = default
  
• Audio_group.xml = soundfile(s) and adjustment properties
  

Proposed In-Game XML grouping's

• Interface?
  • Alarm?
• Human?
  • Movement?
  • Death?
• Resource?
  • Construction?
  • Gathering?
  • Lumbering?
  • Mining?
  • Hunting?
  • Farming?
  • Foraging?
• Attack?
  • Fire?
  • Weapon?
  • Impact?
  • Siege?
  • Ship?
  • Mounted?
  • Destruction?
• Soundscapes?
  • Building
  • Ambient?
  • Water?
  • Geology?
  • Weather?
• Fauna?
  • Animal?
  • Movement?
  • Death?
  • Attack?

Further Info here:

Managing Audio Parameters