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Applied Sciences
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Architectural Acoustics: From Theory to Application
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Architectural Acoustics: From Theory to Application

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

Deadline for manuscript submissions: 20 October 2024 | Viewed by 1840

Special Issue Editor

Dr. Lamberto Tronchin

E-Mail Website
Guest Editor
Department of Architecture, University of Bologna, 40126 Bologna, Italy
Interests: acoustics; room acoustics; musical acoustics; emulation of nonlinear acoustic systems; 3D auralisation; multiple arrays in 3D acoustic measurements; noise barriers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Acoustic quality in buildings is an essential aspect of the constructions’ designs. Architectural acoustics include room and building acoustics, which entail the evaluation of sound insulation or acoustic quality, and the measurement or calculus of physical acoustic parameters. Architectural acoustics encompass several topics and applications, ranging from opera houses, theatres, concert halls and auditoriums, to schools, cinemas, restaurants and open spaces. Modelling sound insulation or acoustic quality is an important component of architectural acoustics. Measurements of insertion losses or sound reflections in enclosures by means of multichannel microphone arrays, as well as 3D auralization or psychoacoustic evaluation of the sound quality in a specialized listening room, are still important components of this topic, which includes the human perception of the acoustics of enclosure.

In this Special Issue, we welcome both original research papers and review articles based on several topics regarding architectural acoustics, such as:

  • 3D auralization;
  • Acoustic measurements;
  • Sound sources in room acoustics;
  • Computational acoustics;
  • Listening room design and characteristics;
  • Speech intelligibility in rooms;
  • Acoustic design of concert halls or auditoriums;
  • Virtual acoustic reconstruction of historical venues;
  • Worship spaces’ acoustics.

Dr. Lamberto Tronchin
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (2 papers)

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Research

17 pages, 1969 KiB  
Article
An Estimation of Speech Privacy Class Based on ISO Parameter
by Miloš Bjelić, Tatjana Miljković, Miomir Mijić and Dragana Šumarac Pavlović
Appl. Sci. 2024, 14(3), 967; https://doi.org/10.3390/app14030967 - 23 Jan 2024
Viewed by 653
Abstract
This paper examines speech privacy in both residential and commercial spaces. The ASTM E2638 standard defines the Speech Privacy Class (SPC) parameter, which measures speech privacy based on the signal-to-noise ratio at the listener’s position. This paper proposes estimating the SPC value using [...] Read more.
This paper examines speech privacy in both residential and commercial spaces. The ASTM E2638 standard defines the Speech Privacy Class (SPC) parameter, which measures speech privacy based on the signal-to-noise ratio at the listener’s position. This paper proposes estimating the SPC value using relevant ISO parameters commonly used in European practice: the apparent sound reduction index in dB (defined by ISO 16283-1, 2 standards) and the equivalent ambient noise level in dBA (defined by the ISO 1996-1 standard). The estimated value of the SPC parameter in this paper is referred to as the Speech Privacy Index (SPI). A diverse range of situations, i.e., rooms, was analyzed in the field. These rooms varied in terms of purpose, organization, dimensions, furnishings, isolation from other spaces, and internal and external environments. The results of the experiments demonstrate a strong correlation between the SPC value estimated according to ISO parameters (the proposed method) and the SPC as defined in the ASTM E standard. This indicates that the proposed method can provide an indicator of the state of speech privacy in buildings. The significance of the proposed calculation method (i.e., the STI parameter) lies in its ability to be applied at the building design stage, as well as after its completion, during routine testing. Full article
(This article belongs to the Special Issue Architectural Acoustics: From Theory to Application)
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16 pages, 1798 KiB  
Article
Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters
by María P. Serrano-Ruiz, José A. Yarza-Acuna, Erwin A. Martinez-Gomez and Gabriel Ibarra-Mejía
Appl. Sci. 2023, 13(15), 8650; https://doi.org/10.3390/app13158650 - 27 Jul 2023
Viewed by 719
Abstract
The acoustic conditions of open-plan office spaces influence the well-being and productivity perceived by users. However, with an inadequate evaluation of the workspace, acoustic design in open-plan offices can be a factor that alters user performance. Such is the case in Mexico, where [...] Read more.
The acoustic conditions of open-plan office spaces influence the well-being and productivity perceived by users. However, with an inadequate evaluation of the workspace, acoustic design in open-plan offices can be a factor that alters user performance. Such is the case in Mexico, where there are no adequate standards to evaluate specific acoustic conditions such as intelligibility. For this reason, this case study aims to evaluate different types of measurement methods for intelligibility. This study was carried out at a university in northern Mexico. The sound measurements were based on the Mexican standard for noise analysis and the ISO 3382-part 3 standards for acoustic measurements for open-plan offices. The psychoacoustic parameters evaluated were reverberation and intelligibility, using objective methods determined on S/N and subjective methods based on loss of consonant, where it was analyzed the distance between the sound source and zones classified by building design characteristics. The results indicated at which points the intelligibility effects increased. We also observed that reverberation remained stable in this office and that the subjective methods presented a larger measured sound effect than the objective methods. This finding establishes that subjective methods conform to Lognormal behavior, which is applicable to other linguistic elements describing speech behavior. Full article
(This article belongs to the Special Issue Architectural Acoustics: From Theory to Application)
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