Soundscapes and Ambient Noise

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Acoustics and Vibrations".

Deadline for manuscript submissions: closed (20 May 2023) | Viewed by 2570

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, University of Hawaii System, Honolulu, HI 96822, USA
Interests: physical acoustics; aeroacoustics; ambient noise; ultrasonics
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Marine Mammal Research Center, Hawaii Institute of Marine Biology, University of Hawaii Manoa, Honolulu, HI 96822, USA
Interests: soundscapes; bioacoustics; marine mammals

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Guest Editor
Department of Electrical and Computer Engineering, Portland State University, Portland, OR 97207, USA
Interests: acoustics; underwater soundscapes; ocean noise; seabed imaging; sonar systems; environmentally adaptive signal processing; acoustic communications; marine mammal acoustics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The study of soundscapes is an emerging, interdisciplinary area of acoustics.  This new research area encompasses the investigation of environmental sounds and ambient background noise from terrestrial, marine and fresh water locations. Soundscapes offer a unique way to measuring biodiversity, physical processes, environmental impact and habitat health status. Moreover, technological advances in long-term recording systems have enhanced researchers’ ability to obtain extensive big data sets which capture daily and seasonal changes in acoustic energy. Recently, commercial long-term recorders have fostered interest and activity in the field. For this Special Issue, topics can include individual case studies as well reports on advances in recording technology and methodology, data analysis and new applications.  Researchers from the fields of engineering, biology, ecology, environmental sciences and others are encouraged to contribute to this Issue.

Dr. John S. Allen
Dr. Aude F. Pacini
Dr. Martin Siderius
Guest Editors

Manuscript Submission Information

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Published Papers (1 paper)

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Research

12 pages, 3299 KiB  
Article
A Study on the Psychological Noise Reduction Effect on Dental Handpiece Noise through the Bone Conduction Speaker Equipped Unit Chair and Notch-Filtered Music
by Yeabon Jo, Woojin Kang, Sungwoo Hong, Joseph Vermont Bandoy, Hyuk-Sang Kwon, Heejung Kim and Eunsung Song
Appl. Sci. 2023, 13(1), 359; https://doi.org/10.3390/app13010359 - 27 Dec 2022
Viewed by 1840
Abstract
Anxiety in dental patients has caused inconvenient experiences during their dental visits due to the noise generated by the dental handpiece. High-frequency sounds generated by the handpiece have been challenging to reduce using the active control method that targets low-frequency sounds, as well [...] Read more.
Anxiety in dental patients has caused inconvenient experiences during their dental visits due to the noise generated by the dental handpiece. High-frequency sounds generated by the handpiece have been challenging to reduce using the active control method that targets low-frequency sounds, as well as the difficulty in applying the noise control method using sound-absorbing materials, because the size of the handpiece is small. As an alternative, a method that can reduce noise and provide stability by playing music to patients is being studied. However, in most studies, there are inconveniences such as the need to turn the music volume higher to cover dental handpiece noise or having to wear headphones to play music. In this study, in order to reduce this inconvenience and optimize the noise reduction effect of music, we propose a technology that converts music into sound masking and a unit chair equipped with a bone conduction speaker that plays music, and through clinical trials with 35 patients, it was confirmed that the proposed system made the patients emotionally stable. In addition, by analyzing the causes of these emotional changes, it suggests that the preferred genre of music by patients should also be considered. Full article
(This article belongs to the Special Issue Soundscapes and Ambient Noise)
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