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Soundscape evaluation: Binaural or monaural?

Xu, C; Kang, J; (2019) Soundscape evaluation: Binaural or monaural? The Journal of the Acoustical Society of America , 145 (5) , Article 3208. 10.1121/1.5102164. Green open access

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Abstract

The aim of this study is to explore the performance of binaural and monaural recordings in soundscape evaluation. Twelve sites with different acoustic scenarios were chosen, where binaural and monaural recordings were simultaneously made. Nine soundscape indicators were assessed by residents through a laboratory-based auditory test. The results showed that the two recording methods present good agreement on most soundscape evaluation indicators including overall impression, acoustic comfort, pleasantness, annoyance, eventfulness, and loudness. The two recording methods were found to be correlated with different indicators in a similar way. For most sites, the two recording methods were significantly correlated excluding for directionality. For both recording methods, the A-weighted sound pressure level was found to have a weak impact on soundscape evaluation. Reverberation time significantly affects reverberance through binaural recordings. Overall, for most soundscape indicators, it is feasible to use both recording methods, although when “realism,” “reverberance,” and “directivity” are involved in evaluation, binaural recordings will render corresponding perception more consistently than the monaural.

Type: Article
Title: Soundscape evaluation: Binaural or monaural?
Open access status: An open access version is available from UCL Discovery
DOI: 10.1121/1.5102164
Publisher version: https://doi.org/10.1121/1.5102164
Language: English
Additional information: This version is the version of record. 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/10075605
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