A model for the perception of environmental sound based on notice-events

An approach is proposed to shed light on the mechanisms underlying human perception of environmental sound that intrudes in everyday living. Most research on exposure-effect relationships aims at relating overall effects to overall exposure indicators in an epidemiological fashion, without including...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2009-08, Vol.126 (2), p.656-665
Main Authors: De Coensel, Bert, Botteldooren, Dick, De Muer, Tom, Berglund, Birgitta, Nilsson, Mats E., Lercher, Peter
Format: Article
Language:English
Subjects:
acoustic noise
Algorithms
annoyance
Attention
Audition
Auditory Perception
Automobiles
Biological and medical sciences
cognition
Computer Simulation
Environment
environmental sound
Fundamental and applied biological sciences. Psychology
Habituation, Psychophysiologic
hearing
Humans
Models, Psychological
Noise, Transportation
Perception
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Psykologi
Railroads
railway noise
road traffic noise
SAMHÄLLSVETENSKAP
SOCIAL SCIENCES
Socialvetenskap
Sound
Time Factors
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Summary:An approach is proposed to shed light on the mechanisms underlying human perception of environmental sound that intrudes in everyday living. Most research on exposure-effect relationships aims at relating overall effects to overall exposure indicators in an epidemiological fashion, without including available knowledge on the possible underlying mechanisms. Here, it is proposed to start from available knowledge on audition and perception to construct a computational framework for the effect of environmental sound on individuals. Obviously, at the individual level additional mechanisms (inter-sensory, attentional, cognitive, emotional) play a role in the perception of environmental sound. As a first step, current knowledge is made explicit by building a model mimicking some aspects of human auditory perception. This model is grounded in the hypothesis that long-term perception of environmental sound is determined primarily by short notice-events. The applicability of the notice-event model is illustrated by simulating a synthetic population exposed to typical Flemish environmental noise. From these simulation results, it is demonstrated that the notice-event model is able to mimic the differences between the annoyance caused by road traffic noise exposure and railway traffic noise exposure that are also observed empirically in other studies and thus could provide an explanation for these differences.
ISSN:0001-4966
1520-8524
1520-8524
DOI:10.1121/1.3158601