A study of twenty-one cases of low-frequency noise complaints

Christian Sejer Pedersen, Henrik Møller, Kerstin Persson-Waye

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Abstract

From 203 cases of low-frequency complaints a random selection of twenty-one previously unsolved cases were investigated. The main aim of the investigation was to answer the question whether the annoyance is caused by an external physical sound or by a physically non-existing sound, i.e. low-frequency tinnitus. Noise recordings were made in the homes of the complainants, and the complainants were exposed to these in blind test listening experiments. Furthermore, the low-frequency hearing function of the complainants was investigated, and characteristics of the annoying sound was matched. The results showed that some of the complainants are annoyed by a physical sound (20-180 Hz), while others suffer from low-frequency tinnitus (perceived frequency 40-100 Hz). Physical sound at frequencies below 20 Hz (infrasound) is not responsible for the annoyance - or at all audible - in any of the investigated cases, and none of the complainants has extraordinary hearing sensitivity at low frequencies. For comparable cases of low-frequency noise complaints in general, it is anticipated that physical sound is responsible in a substantial part of the cases, while lowfrequency tinnitus is responsible in another substantial part of the cases.
OriginalsprogEngelsk
TitelProceedings of Acoustics '08
ForlagSociété Francaise d'Acoustique
Publikationsdato2008
ISBN (Elektronisk)978-2-9521105-4-9
StatusUdgivet - 2008
BegivenhedAcoustics '08 - Paris, Frankrig
Varighed: 29 jun. 20084 jul. 2008

Konference

KonferenceAcoustics '08
Land/OmrådeFrankrig
ByParis
Periode29/06/200804/07/2008

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