Engine Braking Noise Monitoring

Acoustic Camera

Heavy Vehicle Engine Braking Noise Monitoring

SINUS Acoustic Camera Model

 

The SINUS Acoustic Camera may be deployed to identify heavy vehicles that are engine braking in a flow of traffic. The video output enables the engine braking sound contours to be overlaid over the video image of the traffic flow thereby identifying the heavy vehicle(s) that are engine braking, even in the presence of heavy vehicles in adjacent lanes.

A time history spectral display showing engine braking occurring is shown below:

 

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