Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters

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...

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Main Authors: María P. Serrano-Ruiz, José A. Yarza-Acuna, Erwin A. Martinez-Gomez, Gabriel Ibarra-Mejía
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/13/15/8650
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author María P. Serrano-Ruiz
José A. Yarza-Acuna
Erwin A. Martinez-Gomez
Gabriel Ibarra-Mejía
author_facet María P. Serrano-Ruiz
José A. Yarza-Acuna
Erwin A. Martinez-Gomez
Gabriel Ibarra-Mejía
author_sort María P. Serrano-Ruiz
collection DOAJ
description 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.
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spelling doaj.art-c5fae2aee7f7402c98fa6d99100157342023-11-18T22:35:40ZengMDPI AGApplied Sciences2076-34172023-07-011315865010.3390/app13158650Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility ParametersMaría P. Serrano-Ruiz0José A. Yarza-Acuna1Erwin A. Martinez-Gomez2Gabriel Ibarra-Mejía3Departamento de Ingeniería Industrial y Manufactura, Instituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez 32584, Chihuahua, MexicoEscuela de Sistemas Unidad Torreón, Universidad Autónoma de Coahuila, Torreón 27087, Coahuila, MexicoDepartamento de Ingeniería Industrial y Manufactura, Instituto de Ingeniería y Tecnología, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez 32584, Chihuahua, MexicoDepartment of Public Health Sciences, University of Texas at El Paso, El Paso, TX 79968, USAThe 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.https://www.mdpi.com/2076-3417/13/15/8650open-plan officeintelligibilityreverberation timeSpeech Transmission IndexArticulation Loss of Consonants
spellingShingle María P. Serrano-Ruiz
José A. Yarza-Acuna
Erwin A. Martinez-Gomez
Gabriel Ibarra-Mejía
Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters
Applied Sciences
open-plan office
intelligibility
reverberation time
Speech Transmission Index
Articulation Loss of Consonants
title Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters
title_full Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters
title_fullStr Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters
title_full_unstemmed Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters
title_short Open-Plan Offices: Comparison of Methods for Measuring Psychoacoustic Intelligibility Parameters
title_sort open plan offices comparison of methods for measuring psychoacoustic intelligibility parameters
topic open-plan office
intelligibility
reverberation time
Speech Transmission Index
Articulation Loss of Consonants
url https://www.mdpi.com/2076-3417/13/15/8650
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