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Noise acceptance of acoustic sequences for indoor soundscape in transport hubs

Wang, B; Kang, J; Zhao, W; (2020) Noise acceptance of acoustic sequences for indoor soundscape in transport hubs. Journal of the Acoustical Society of America , 147 (1) pp. 206-217. 10.1121/10.0000567. Green open access

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Abstract

Noise acceptance is an aspect of indoor soundscape research. While staying or walking in a transport hub, sequential sounds form sequence sounds sessions, which are referred to as an acoustic sequence. The basic phenomenon and effects of acoustic sequences on acceptance evaluations have been explored. A total of 209 sections of 30 s acoustic units were extracted before performing acceptance evaluations. The acoustic units were divided into strong, medium, and weak levels, and compiled into 37 pieces of acoustic sequences, which were then subjected to four tests for acceptance evaluation: sound content, acceptance level, and effects of weak and strong acceptance units. One piece of an acoustic sequence consists of 20 acoustic units. The results show that all acoustic sequences exhibit “attenuation effects”—as for any acoustic unit that makes up the sequence, general acceptance decreases with time. The lower the acceptance, the faster the decay in score. High acceptance units have an “enhancement effect,” and the acceptance increases after a high acceptance unit. Low acceptance units have a “boost effect,” and the acceptance increases after a low-level acceptance. Both enhancement and boost effects could improve the acceptance evaluation of acoustic sequences and sound experiences in transport hubs.

Type: Article
Title: Noise acceptance of acoustic sequences for indoor soundscape in transport hubs
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1121/10.0000567
Publisher version: https://doi.org/10.1121/10.0000567
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10091960
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