Classification of sound
Sound
| Where it borns | Where it propagates | How it propagates |
| Airborne sounds | Outdoor propagation | Point sources |
| Structureborne sounds | Indoor propagation | Line sources |
| Mixture of airborne and structureborne sounds | Plane sources |
| Where it borns | Where it propagates | How it propagates |
| Airborne sounds | Outdoor propagation | Point sources |
| Structureborne sounds | Indoor propagation | Line sources |
| Mixture of airborne and structureborne sounds | Plane sources |