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Low Frequency Noise (LFN) can be an environmental noise problem, often referred to as a 'hum'. Not everyone can hear it, as our range of hearing differs, ...
Low Frequency Noise (LFN) is often referred to as a 'hum'.
LFN can cause irritation and annoyance, disturb sleep, and make people uncomfortable in their homes.
Low frequency noise can travel long distances.
Possible sources of LFN include pumps, large fans, compressors, diesel engines and other rotary machinery.
Electrical power transmission systems can also be a source of LFN.
The largest proportion of LFN sufferers are over fifty.
Examples of troublesome low frequency sounds include the Bristol hum and the Holmfield hum.
The briefing aims to help increase understanding of low frequency noise.
External resources
Low Frequency Noise (LFN) can be an environmental noise problem, often referred to as a 'hum'. Not everyone can hear it, as our range of hearing differs, and in many cases no source can be identified. LFN can cause irritation and annoyance, disturb sleep and make people uncomfortable in their homes. As low frequency noise can travel long distances, it is often challenging to identify the source of the sound. Possible sources include pumps, large fans, compressors, diesel engines and other rotary machinery. Electrical power transmission systems can also be a source. The largest proportion of LFN sufferers are over fifty, indicating that the number of people with low frequency noise problems will increase with our ageing population. Examples of troublesome low frequency sounds include the Bristol hum and the Holmfield hum. This briefing aims to help increase understanding of low frequency noise, and sets out ways it can be investigated as well as routes to finding mechanisms for coping with it where no source can be identified.
Downoad Low Frequency Noise Annoyance below:
Attached Documents:
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