Sound attenuation is a damping of sound, an interruption that diminishes the volume and quality of the sound wave. This reduces how far sound travels.

Why should sound attenuation be used?

By reducing the sound output of mining machinery, several benefits can be achieved:

• The reduction in mining noise reduces impact on nearby communities

• Increased mining operating times

• Operator safety

How does sound attenuation work?

Sound attenuation can be achieved by combining these principles:

• Blocking the sound frequencies which penetrate into the community and cause noise disruption

• Absorbing the sound

• Isolating vibrations