| General |
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| General characteristics of sound – emission transmission, reception
Read about the characteristics of noise, how it is measured and how it affects people and their environment.
Sound insulation must not be confused with sound absorption they are two different characteristics of noise control.
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Acoustic AN 0
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| Industrial buildings |
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Noise control in industrial buildings – absenteeism, morale, low output, safety
Poorly regulated industrial buildings lead to increased levels of absenteeism, low morale, lower output and a greater risk of accidents. This document describes ways in which high noise levels affect workers lives and explores some of the ways in which this can be corrected.
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Acoustic AN 1
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| Gymnasia and sports halls |
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| Noise control in gymnasia and sports halls – behaviour, safety
Gymnasia and sports halls have many hard surfaces which reverberate sound. This noise is disruptive and can have serious consequences as far as behaviour and safety are concerned. This document describes some of these consequences and ways in which they can be controlled.
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Acoustic AN 2
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| Indoor swimming pools |
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| Noise control in swimming pools – behaviour, control, safety
Indoor swimming pools are noisy environments because internal surfaces, including the surface of the water, are extremely reflective. This can lead to difficulties in instruction and supervision. Solutions for the control of sound in swimming pools are to be found in this document.
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Acoustic AN 3
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| Ice rinks |
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| Noise control in ice rinks – fatigue, security
Indoor ice rinks are usually high volume but fairly empty areas where the majority of surfaces are extremely reflective. A lack of acoustic protection means that such spaces are noisy with reverberation of times of up to 5 seconds. Advice on acoustic protection for ice rinks can be found in this document.
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Acoustic AN 4
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| Auditoria |
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| Noise control in auditoria – comfort, audibility
Auditoria can be used for a variety of activities: theatre, concerts, opera, cinema, conference rooms, dances, etc. Each activity has its own very specific different acoustic requirement. In consequence acoustic comfort has to be considered at the commencement of a building’s design.
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Acoustic AN 5
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| Restaurants and dining rooms |
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| Noise control in restaurants – atmosphere, human relationships
These are special places for human relations, where good food and a convivial atmosphere are essential factors in addition to a certain level of acoustic protection. The level of noise in these areas is linked to their acoustic performance and the number of people present. Noisy backgrounds demand that people have to speak louder to communicate leading to even noisier environments. This can be easily avoided by the use of a good acoustic absorption system.
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Acoustic AN 6
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