Week 6 - People

Typical sound levels

Changes in sound levels

Noise Control – Action Areas

1. Source of Sound

                Eg from outside the building, or within the building

2. Sound Path

                Eg through the air, or through the building structure

3. Receptor/Receiver of Sound

                Eg the building itself, a particular room, or a person.

Noise Control - Treatments

When controlling noise it is sensible to work through the action areas in the following order.

1. Source of sound – can it be stopped or reduced in energy.

Eg: changing or treating noisy machinery, noisy people

2. Path of sound – can the noise be reduced during its transmission through the air or a structure

Eg: distance from source, stopping air gaps, increasing sound insulation of structures

3. Receiver of sound - can it be protected

Eg: Insulating a building, or room. Wearing ear defenders