Difference between revisions of "Annoyance"
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== Description == | == Description == | ||
| + | |||
| + | Noise annoyance related to the number of people being annoyed ''to some degree'' by being exposed to noise. Annoyance is being described as ‘A feeling of displeasure associated with any agent or condition, known or believed by an individual or | ||
| + | group to adversely affect them’ or ‘a feeling of resentment, displeasure, discomfort, dissatisfaction or offence which occurs when noise interferes with someone’s thoughts, feelings or daily activities’ (Lindvall and Radford, 1973) (Koelega, 1987). | ||
| + | It can be measured (using questionnaires) or modelled (using models that use noise levels as input). | ||
=== References === | === References === | ||
| − | * | + | * Lindvall TH, Radford EP. Measurement of annoyance due to exposure to environmental factors. Environ Res. 1973; 6: 1-36. |
| + | * Koelega HS (ed). Environmental annoyance: characterization, measurement and control. Elsevier, Amsterdam, The Netherlands. 1987. | ||
== Definition == | == Definition == | ||
| + | |||
| + | === Using a model to assess noise annoyance === | ||
| + | |||
| + | '''Necessary input:''' Number of people exposed to different dB levels from a certain source (eg road transport, air traffic, rail, etc), expressed in Lden | ||
| + | |||
| + | '''Necessary model:''' A model that estimates the number of people being annoyed (mildly, moderately, or severely) by a certain noise source. | ||
| + | |||
| + | '''Example model:''' Relations derived by Miedema et al (ref...). See under ''Formula''. | ||
| + | |||
| + | === Using a questionnaire to assess noise annoyance === | ||
| + | |||
| + | '''Necessary input:''' A questionnaire assessing the level of noise annoyance in the exposed population. Efforts have been made by the International Commission on Biological Effects of Noise (ICBEN) and the International Organization of Standardization (ISO) towards the use of standardized questions asking for the degree of annoyance in a 0 – 10 or 100 scale. To | ||
| + | determine the percentage of people annoyed and highly annoyed, a cut-off value of 50 and 72 is being used. (''Further references not provided here now'') | ||
=== Causality === | === Causality === | ||
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=== Data === | === Data === | ||
| + | |||
| + | ''None'', should be based on [[ noise exposure | noise exposure]] data | ||
=== Formula === | === Formula === | ||
| − | |||
| − | + | Miedema aircraft annoyance relationship: | |
| + | |||
| + | Valid for Lden between 45-75 dB(A) | ||
| + | |||
| + | * % Mildly annoyed = -6.158x10-4 (Lden – 32)3 + 3.410x10-2 (Lden-32)2 + 1.738 (Lden -32) | ||
| + | * % Moderately annoyed = 8.588x10-6 (Lden – 37)3 + 1.777x10-2 (Lden-37)2 + 1.221 (Lden -37) | ||
| + | * % Severily annoyed = -9.199x10-5 (Lden – 42)3 + 3.9321x10-2 (Lden-42)2 + 0.2939 (Lden -42) | ||
== Unit == | == Unit == | ||
| + | Noise: Lden | ||
| + | |||
| + | Annoyance: Percentage of people annoyed | ||
== Result == | == Result == | ||
| + | Number of people annoyed to some degree (mildly, moderately, severily). | ||
{{category:Kuopio workshop}} | {{category:Kuopio workshop}} | ||
Revision as of 12:09, 13 March 2007
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Scope
Annoyance describes
Contents
Description
Noise annoyance related to the number of people being annoyed to some degree by being exposed to noise. Annoyance is being described as ‘A feeling of displeasure associated with any agent or condition, known or believed by an individual or group to adversely affect them’ or ‘a feeling of resentment, displeasure, discomfort, dissatisfaction or offence which occurs when noise interferes with someone’s thoughts, feelings or daily activities’ (Lindvall and Radford, 1973) (Koelega, 1987). It can be measured (using questionnaires) or modelled (using models that use noise levels as input).
References
- Lindvall TH, Radford EP. Measurement of annoyance due to exposure to environmental factors. Environ Res. 1973; 6: 1-36.
- Koelega HS (ed). Environmental annoyance: characterization, measurement and control. Elsevier, Amsterdam, The Netherlands. 1987.
Definition
Using a model to assess noise annoyance
Necessary input: Number of people exposed to different dB levels from a certain source (eg road transport, air traffic, rail, etc), expressed in Lden
Necessary model: A model that estimates the number of people being annoyed (mildly, moderately, or severely) by a certain noise source.
Example model: Relations derived by Miedema et al (ref...). See under Formula.
Using a questionnaire to assess noise annoyance
Necessary input: A questionnaire assessing the level of noise annoyance in the exposed population. Efforts have been made by the International Commission on Biological Effects of Noise (ICBEN) and the International Organization of Standardization (ISO) towards the use of standardized questions asking for the degree of annoyance in a 0 – 10 or 100 scale. To determine the percentage of people annoyed and highly annoyed, a cut-off value of 50 and 72 is being used. (Further references not provided here now)
Causality
List of parents:
Data
None, should be based on noise exposure data
Formula
Miedema aircraft annoyance relationship:
Valid for Lden between 45-75 dB(A)
- % Mildly annoyed = -6.158x10-4 (Lden – 32)3 + 3.410x10-2 (Lden-32)2 + 1.738 (Lden -32)
- % Moderately annoyed = 8.588x10-6 (Lden – 37)3 + 1.777x10-2 (Lden-37)2 + 1.221 (Lden -37)
- % Severily annoyed = -9.199x10-5 (Lden – 42)3 + 3.9321x10-2 (Lden-42)2 + 0.2939 (Lden -42)
Unit
Noise: Lden
Annoyance: Percentage of people annoyed
Result
Number of people annoyed to some degree (mildly, moderately, severily).
