Characteristic types of sound heard in a given environment at a given time (ex: contemporary western city centre, Middle Ages Paris, etc…) it can be further classified in Hi-fi and Lo-fi. The Hi-fi defines the high
signal to noise ratio environment such as rural towns in the early morning. The lo-fi defines the low signal to noise ratio as one might find in busy cities during peak hours.
- Historical and rural places tend to be more Hi-fi
- Contemporary and urban places tend to be more lo-fi
- Helps the spatial and temporal identification greatly even with a minimal visual ground
- Can also provide a considerable amount of information about the context of the story