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The effects of sound level and vibration magnitude on the relative discomfort of noise and vibration

The effects of sound level and vibration magnitude on the relative discomfort of noise and vibration
The effects of sound level and vibration magnitude on the relative discomfort of noise and vibration
The relative discomfort caused by noise and vibration, how this depends on the level of noise and the magnitude of vibration, and whether the noise and vibration are presented simultaneously or sequentially has been investigated in a laboratory study with 20 subjects. Noise and vertical vibration were reproduced with all 49 combinations of 7 levels of noise and 7 magnitudes of vibration to allow the discomfort caused by one of the stimuli to be judged relative to the other stimulus using magnitude estimation. In four sessions, subjects judged noise relative to vibration and vibration relative to noise, with both simultaneous and sequential presentations of the stimuli. The equivalence of noise and vibration was not greatly dependent on whether the stimuli were simultaneous or sequential, but highly dependent on whether noise was judged relative to vibration or vibration was judged relative to noise. When judging noise, higher magnitude vibrations appeared to mask the discomfort caused by low levels of noise. When judging vibration, higher level noises appeared to mask the discomfort caused by low magnitudes of vibration. The judgment of vibration discomfort was more influenced by noise than the judgment of noise discomfort was influenced by vibration.
hearing, noise pollution, vibrations
0001-4966
4558-4569
Huang, Yu
3f446f98-2f77-4f1b-bf61-187fe3118fda
Griffin, Michael J.
24112494-9774-40cb-91b7-5b4afe3c41b8
Huang, Yu
3f446f98-2f77-4f1b-bf61-187fe3118fda
Griffin, Michael J.
24112494-9774-40cb-91b7-5b4afe3c41b8

Huang, Yu and Griffin, Michael J. (2012) The effects of sound level and vibration magnitude on the relative discomfort of noise and vibration. Journal of the Acoustical Society of America, 131 (6), 4558-4569. (doi:10.1121/1.4705285). (PMID:22712930)

Record type: Article

Abstract

The relative discomfort caused by noise and vibration, how this depends on the level of noise and the magnitude of vibration, and whether the noise and vibration are presented simultaneously or sequentially has been investigated in a laboratory study with 20 subjects. Noise and vertical vibration were reproduced with all 49 combinations of 7 levels of noise and 7 magnitudes of vibration to allow the discomfort caused by one of the stimuli to be judged relative to the other stimulus using magnitude estimation. In four sessions, subjects judged noise relative to vibration and vibration relative to noise, with both simultaneous and sequential presentations of the stimuli. The equivalence of noise and vibration was not greatly dependent on whether the stimuli were simultaneous or sequential, but highly dependent on whether noise was judged relative to vibration or vibration was judged relative to noise. When judging noise, higher magnitude vibrations appeared to mask the discomfort caused by low levels of noise. When judging vibration, higher level noises appeared to mask the discomfort caused by low magnitudes of vibration. The judgment of vibration discomfort was more influenced by noise than the judgment of noise discomfort was influenced by vibration.

Text
2012-02-29 Subjective-equivalence_of noise_and_vibration AUTHOR ACCEPTED MANUSCRIPT - Accepted Manuscript
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Published date: June 2012
Keywords: hearing, noise pollution, vibrations
Organisations: Human Sciences Group

Identifiers

Local EPrints ID: 354970
URI: http://eprints.soton.ac.uk/id/eprint/354970
ISSN: 0001-4966
PURE UUID: 4c3237c4-0f3e-4152-9643-21b113813470
ORCID for Michael J. Griffin: ORCID iD orcid.org/0000-0003-0743-9502

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Date deposited: 24 Jul 2013 11:16
Last modified: 22 Jul 2022 18:37

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Contributors

Author: Yu Huang
Author: Michael J. Griffin ORCID iD

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