Noise sigma (Function Value)

Function value	Attribute	Unit	Per category	Range	Description
Noise sigma	TRAFFIC_NOISE_SIGMA	dB(A)			Difference in noise intensity of vehicles at their reference speed. Effectively a flat modifier in noise.

Values

• The default values for this Function Value are 0.
• The default values are not overwritten during the creation of a new project.

Used for

• Traffic Noise (Indicator)
• Traffic Noise (Overlay)

Model-specific articles

• Noise tau (Traffic Noise Overlay)