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Citation - WoS: 7
Citation - Scopus: 8
The Acoustic Characterization of Worship Ambiance and Speech Intelligibility in Wooden Hypostyle Structures: The Case of the Aslanhane Mosque
(Springer Singapore Pte Ltd, 2021) Kitapci, Kivanc; Celik Basok, Gulsah
The challenge in the acoustics design of the traditional mosque is twofold. First, the interior atmosphere of the space should create a sacred feeling on the users' holistic and phenomenological spatial perception, which is generally recognized as a direct effect of increased reverberation time (T30) and low clarity (C80). Second, speech should be adequately intelligible, which requires a low T30 and high speech clarity, contradicting the initial concern of the sacred atmosphere. We hypothesize that in Islamic architecture, wooden hypostyle mosques may comply better with the reverberation time requirements of speech intelligibility, while maintaining the sacred feeling, due to their comparatively absorptive surface finishing materials and structural elements. The Aslanhane Mosque is a unique sacred structure within its era of construction, well-known with its wooden columns and ceiling. It is an important case for room acoustics analysis of such holy spaces. This study aimed to analyze the room acoustic measurement results of the Aslanhane Mosque, evaluating the intelligibility of speech and interpreting the sacred feeling created by reverberance, envelopment, and spaciousness, which are all crucial in such holy structures. It is revealed that although the Aslanhane Mosque's subjective rating for speech intelligibility is "good," the overall low volume of the mosque and the lack of surface reflections decrease the sacred sensation. Additionally, the intelligibility of speech is vulnerable to obstacles within the line of sight, such as load-bearing columns. Lastly, it was observed that the increase in T30 at low frequencies improved the sacred sensation, envelopment, and spaciousness, without any profound negative impact on the intelligibility of speech.
Citation - WoS: 23
Citation - Scopus: 31
An Integrated Framework on Soundscape Perception and Spatial Experience by Adapting Post-Occupancy Evaluation Methodology
(Sage Publications Inc, 2018) Aburawis, Ayad A. Mohamed; Yorukoglu, Papatya Nur Dokmeci
The effecting factors of soundscape perception and space experience have a very close relationship. This study aims to synthesize the diversity of soundscape classifications and schemes and unify such factorial variations in order to develop an integrated framework for soundscape perception and spatial experience within a systematic review of recent progress and by adapting post-occupancy evaluation methodology. First, factors under soundscape perception and space experience are reviewed in detail and merged to form conceptual classification models. Six soundscape perception factors are formed as (1) sonic, (2) spatial, (3) temporal, (4) psychological, (5) behavioural and (6) personal. Similarly, five space experience factors are formed as (1) user, (2) usage, (3) architectural design, (4) social context and (5) physical environment. All related items in the literature are presented and the sub-items under each factor are exemplified. Second, factors under the merged conceptual models are integrated by considering occupants' experience of space regarding their variance in perception of soundscapes through acoustical post-occupancy evaluation. An adapted study design is proposed under indicative, investigative and diagnostic stages of the post-occupancy evaluation by presenting the methods, data types and factorial correlations for each stage.
Citation - WoS: 45
Citation - Scopus: 59
Analysing Sound Environment and Architectural Characteristics of Libraries Through Indoor Soundscape Framework
(Polska Akad Nauk, Polish Acad Sciences, inst Fundamental Tech Res Pas, 2016) Yorukoglu, Papatya Nur Dokmeci; Kang, Jian
This study presents the indoor soundscape framework in detail by describing the variables and factors that form an indoor soundscape study. The main objective is to introduce a new indoor soundscaping framework and systematically explain the variables that contribute to the overall evaluation of an indoor soundscape. Hence, the dependencies of physical and psychoacoustical factors of the sound environment and the spatial factors of the built entity are statistically tested. The new indoor soundscaping framework leads to an overarching evaluation perspective of enclosed sound environments, combining objective room acoustics research and noise control engineering with architectural analysis. Therefore, it is hypothesised that case spaces with certain plan organisations, volumetric relations, and spatial referencing lead to differentiated sound pressure level (SPL) and loudness (N) values. SPL and N parametric variances of the sound environments are discussed through the statistical findings with respect to the architectural characteristics of each library case space. The results show that the relation between crowd level variances and sound environment parametric values is statistically significant. It is also found that increasing the atrium height and atrium void volume, the atrium's presence as a common architectural element, and its interpenetrating reference and domain containment results in unwanted variances and acoustic formations, leading to high SPL and N values.
Citation - Scopus: 4
Analyzing Natural Lighting Conditions From the Perspective of Biophilic Design in Indoor Office Environments
(Institute of Physics, 2022) Avci, A.N.; Karaman, G.D.
The term "biophilic design"is recognized by some designers who coined a word for designing instinctively using fresh understandings, reasons, and views, which helps reconnect us with the natural world in the indoor environment. Within the various patterns that connect humans with nature, natural lighting provides an orientation to the day and night according to the sun's location and cycles, which is essential for human health and wellness. The supply and quality of natural lighting, including its influence on mood, have been extensively investigated and written about for many years in various locations and the overlapping science and design disciplines. This paper analyzes the biophilic design approach to mood for the natural lighting conditions that change according to the position of the office environments in winter. The selected two indoor office environments were located in the Faculty of Architecture at Çankaya University on Main Campus, on the second floor of the building. Office-1 overlooked the design studio, preventing it from taking natural lighting directly, and Office-2 directly penetrated the natural lighting. Natural lighting-based photos were taken from the selected offices during three periods of the day. The photos and a survey were directed at the two groups: Group 1 consisted of the students who took the Natural and Artificial Lighting Course, and Group 2 students who did not take this course. The experimental instruments analyzed their moods to evaluate natural lighting conditions. © Published under licence by IOP Publishing Ltd.
Citation - WoS: 58
Citation - Scopus: 75
Analyzing the Compliance and Correlation of Leed and Breeam by Conducting a Criteria-Based Comparative Analysis and Evaluating Dual-Certified Projects
(Pergamon-elsevier Science Ltd, 2019) Suzer, Ozge
Certified green buildings are known to demonstrate high environmental performance; however, it is still not clear where they stand among each other, unless certified by the same body. This study aims to examine the compliance and correlation between the most prominent green building rating systems, LEED and BREEAM. It also estimates how a project would be graded by one system if already certified by the other. Regarding the methodology of the study, the intents of evaluation criteria in the latest versions for new constructions of LEED and BREEAM are analyzed. Commonly addressed and different concerns are determined, and the scales for assigning their award levels are compared. It is observed that they have a high level of compliance because 83% of the environmental concerns are commonly addressed issues. Moreover, it is derived that a dual-certified project aiming to achieve the same award level in both assessments has to display a better performance in BREEAM as it includes a higher number of concerns to be fulfilled. Based on the correlation analyses on twenty dual-certified buildings, the results from the scatter plot diagram, Pearson's Correlation Coefficient (r) and Paired Samples t-Test show that there is a large positive linear correlation and that LEED scores are significantly higher than BREEAM scores. Furthermore, the difference between the averages of LEED and BREEAM scores and the average difference between award levels indicate that if there would be a difference in ratings of dual-certified projects, it would be in favor of LEED by one award level.
Assessment of Daylighting in a Historical Educational Building: Ankara University Faculty of Science Analytical Chemistry Laboratory
(Znack Publishing House, 2023) Avci, Ayse Nihan
The conditions of Ottoman architecture persisted during the republican period at the turn of the 20th century. Later, radical changes in the structure of the state affected the field of architecture, and changes in the world were reflected in our country. The structures that are the subject of architectural debates are typically early republican period buildings, which were built between 1920s and 1950s. On the other hand, in past buildings, the interior de-sign criteria that are important for the user in interior design have been the subject of interest in various disciplines. Lighting - daylighting and electric lighting - in different interiors is one of the design criteria that has intrigued many researchers. Laboratories, classrooms, studios, circulation areas, administrative spaces, offices, conference rooms, and wet spaces are all common features of educational buildings. Each of these spaces has unique lighting requirements. The aim of this study is to assess the daylighting performance in the interior and encourage similar studies in historical educational buildings rather than the architectural design of these buildings. Daylighting performance was assessed in the analytical chemistry laboratory at the Ankara University Faculty of Science, block A, which was built during the Second National Architectural Movement and bears the traces of Sedad Hakki El-dem, Emin Onat, and Paul Bonatz. A morning interval (10:00-11:00) where the courses are considered the most productive was chosen for the evaluation. The results were compared and interpreted with the values specified in the standards; the measurement is limited to the day and time interval. Keywords: daylighting, the Second National Architectural Movement, Ankara, Faculty of Science, educational building, analytical chemistry laboratory
Citation - WoS: 5
Citation - Scopus: 6
Audio-Visual Interactions and the Influence of Colour on Noise Annoyance Evaluations
(Springer Singapore Pte Ltd, 2021) Kitapci, Kivanc; Akbay, Saadet
This study aims to examine the influence of colour exposure on noise annoyance. Previous studies in the literature have focused mostly on the effects of colour exposure on loudness judgements; however, due to the cognitive nature of multisensory perception, the influence of colour on noise annoyance also needs to be investigated. Our experiments were designed to administer non-information-carrying sound signals (i.e. white noise) and visual stimuli (i.e. abstract colour samples) and to limit visual and auditory contextual information. Participants were asked to evaluate noise annoyance on an 11-point International Commission on Biological Effects of Noise (ICBEN) scale. The experiments were conducted in the form of audio-visual tests. During these tests, random combinations of three white noise sound samples with sound pressure levels of 66 dB(A) (-4 dB[A] acoustic condition), 70 dB(A) (0 dB[A] acoustic condition) and 74 dB(A) (+4 dB[A] acoustic condition), and six visual stimuli, including the elementary colours of the Natural Colour System (NCS)-yellow (Y), red (R), blue (B), green (G), white (W) and black (S)-were presented to a total of 42 participants. The black colour sample was used to measure the audio-only control condition for the three white noise sound samples. The results of the study reveal that the effects of sound, the effects of colour and the interaction effects of colour and sound on perceived noise annoyance were statistically significant. The effects of colour on the loudness evaluations of the previous studies and the effects of colour on noise annoyance evaluations presented in this study show very similar and concordant results, indicating that the effects of colour on noise annoyance depend on the sound pressure level (SPL). The results indicate that the hue contrasts of red-green, red-blue and yellow-blue and the lightness contrast of yellow-blue influenced perceived noise annoyance when the SPL was low or high. Within the contrast pairs, red and yellow were perceived to be annoying, whereas blue and green were perceived to be non-annoying.
A Comparative Research on Space of Women in Prayer Place Interiors of Celestial Religions: Cases From Istanbul
(Gazi Univ, 2020) Disli, Gulsen; Ozcan, Zuhal
Cross-cultural comparison has been used in architecture mostly to discuss the components of culture, knowledge, and value systems, yet to date there is not a specific comparative study on gendered architecture in prayer places of celestial religions, namely Judaism, Christianity, and Islam. Hence, this study aims to reveal how attendance of women in prayer places with different national, historic, religious, and cultural characteristics shaped architectural space organization and to assess potential similarities and differences of women's section in prayer spaces of celestial religions by examining literature survey, archival and historic research, including field observations. In addition to general observations in building scale, some exemplary historic synagogues, churches, and mosques in Istanbul still in use have been chosen as case studies, and their plan typologies, as well as types and locations of women's galleries/sections have been discussed. Cross-cultural comparison parameters were; development of women's section in prayer places as a structured architectural space and basic architectural terminologies used to define women's section. The major conclusion of the study is that originally women had right to worship in prayer spaces without any physical separation in all three religions, yet in time the place of women had a more defined/divided/structured character especially in Islam and Judaism. The study also indicates that while at present day, gendered architecture is still the predominant approach in Islam and in Orthodox Judaism; mix congregation in a single-unsegregated space for both sexes is more common in contemporary society of Christianity.
Citation - WoS: 113
Citation - Scopus: 128
A Comparative Review of Environmental Concern Prioritization: Leed Vs Other Major Certification Systems
(Academic Press Ltd- Elsevier Science Ltd, 2015) Suzer, Ozge
The matter of environmental concern prioritization integrated into globally used green building rating systems is a fundamental issue since it determines how the performance of a structure or development is reflected. Certain nationally-developed certification systems are used globally without being subjected to adjustments with respect to local geographical, cultural, economic and social parameters. This may lead to a situation where the results of an evaluation may not reflect the reality of the region and/or the site of construction. The main objective of this paper is to examine and underline the problems regarding the issue of weighting environmental concerns in the Leadership in Energy and Environmental Design (LEED) certification system, which is a US-originated but globally used assessment tool. The methodology of this study consists of; (i) an analysis of the approach of LEED in the New Construction and Major Renovations scheme in version 3 (LEED NC, v.3) and the Building Design and Construction scheme in version 4 (LEED BD + C, v.4), (ii) case studies in which regional priority credits (RPCs) set by LEED for four countries (Canada, Turkey, China and Egypt) are criticized with respect to countries' own local conditions, and, (iii) an analysis of the approaches of major environmental assessment tools, namely; BREEAM, SBTool, CASBEE and Green Star, in comparison to the approach in LEED, regarding the main issue of this paper. This work shows that, even in its latest version (v.4) LEED still displays some inadequacies and inconsistencies from the aspect of environmental concern prioritization and has not yet managed to incorporate a system which is more sensitive to this issue. This paper further outlines the differences and similarities between the approaches of the aforementioned major environmental assessment tools with respect to the issue of concern and the factors that should be integrated into future versions of LEED. (C) 2015 Elsevier Ltd. All rights reserved.
Citation - WoS: 19
Citation - Scopus: 25
Comparing Turkish and European Noise Management and Soundscape Policies: a Proposal of Indoor Soundscape Integration To Architectural Design and Application
(Mdpi, 2019) Ercakmak, Ugur Beyza; Yorukoglu, Papatya Nur Dokmeci
Improving soundscape studies and policies states that the soundscape approach, which also considers noise interventions, should replace noise management. However, a considerable number of soundscape studies have been concerned with the quality of acoustic environments of open and urban public spaces. This study focuses on indoor soundscaping and its possible integration into the architectural design and application process. Therefore, the present and ongoing Turkish and European soundscape and noise management policies were evaluated in detail and compared in order to characterize the gap regarding the state of indoor soundscaping between the literature and the policy development level. Furthermore, we identified and classified factors and methods which have an influence on indoor soundscaping to be integrated into the final proposed model. As a result of the detailed evaluation regarding policies and indoor soundscaping principles, five stages were proposed that can be used in an integrated indoor soundscape model: (1) the establishment of a topic specific institution or working group on indoor soundscaping; (2) the preparation of a standard that includes definitions, indoor soundscape factors and methods; (3) the preparation of an indoor soundscape directive; (4) the preparation of indoor soundscape guidelines; and (5) the provision of maintenance and supervision by experts and authorities.
Citation - WoS: 5
Citation - Scopus: 9
A Comparison of the Cognitive Actions of Designers in Geometry-Based and Parametric Design Environments
(Open House int, 2020) Pektas, Sule Tasli; Tunger, Cetin
Purpose - This paper aims to compare designers' cognitive behaviors in geometry-based modeling environments (GMEs) and parametric design environments (PDEs). Design/methodology/approach - This study used Rhinoceros as the geometric and Grasshopper as the parametric design tool in an experimental setting. Designers' cognitive behaviors were investigated by using the retrospective protocol analysis method with a content-oriented approach. Findings - The results indicated that the participants performed more cognitive actions per minute in the PDE because of the extra algorithmic space that such environments include. On the other hand, the students viewed their designs more and focused more on product user relation in the geometric modeling environment. While the students followed a top-down process and produced less number of topologically different design alternatives with the parametric design tool, they had more goal setting activities and higher number of alternative designs in the geometric modeling environment. Originality/value - This study indicates that cognitive behaviors of designers in GMEs and PDF-s differ significantly and these differences entail further attention from researchers and educators.
Citation - WoS: 3
Citation - Scopus: 3
Construing Colours Using Repertory Grid Technique: an Idiographic Approach in Colour Perception
(Wiley, 2022) Akbay, Saadet; Borekci, Naz A. G. Z.
This article offers an alternative methodological approach to the exploration of subjective experiences by studying individuals' personal views of perceived colours. The study aims to investigate the construals of individuals related to perceived colours using an idiographic approach. The subjective approach proposed is based on the theory of personal construct psychology and the methodology of the repertory grid technique. A repertory grid experiment was conducted to determine individuals' ways of construing colours and examine the collective understanding of the content and structure of individuals' construals concerning perceived colours. Sixty undergraduate students participated in the experiment, yielding 60 different repertory grids that included a number of personal constructs indicating the construal process of participants in differentiating between 11 basic colours. Participants produced their own semantic bipolar dimensions for comparing the perceived colours and creating differential ratings according to their personal constructs. The elicited data were evaluated using qualitative content analysis to understand the differences between individual systems of constructs and investigate the commonality of shared constructs relating to colours. The data were also analyzed quantitatively to investigate the common structure of and interrelationship between elicited constructs and perceived colours. The outcomes have the potential to contribute to academic and practical knowledge concerning colour perception, as well as encouraging further studies with an idiographic approach.
Cross-Cultural Evaluation of Indoor Soundscape in Residential Areas
(Institute of Noise Control Engineering, 2017) Mohamed, M.A.E.; Dokmeci Yorukoglu, P.N.
This research establishes the relation between the soundscape perception in a residential context and the acoustic environment of an urban environment, taking into consideration the auditory perception of the space users based on their cultural and social backgrounds. Therefore, a case study is performed using a questionnaire methodology on two groups of people within the same urban environment; Arabic people and Turkish people living in the city of Ankara, Turkey. Moreover, the study ensures a comprehensive use of the soundscape perception evaluation criteria utilized in several studies in the literature. Literature review on related research has been put together through literature matrix method. In this first phase of the study, residential soundscape questionnaire and the methodology is presented. This is an ongoing graduate study and the findings will be presented in the second phase. Through the results of the future analysis, the researchers aim to understand the impacts and variations of cultural and social factors on the soundscape perception. © 2017 Institute of Noise Control Engineering. All rights reserved.
Design and Counter Design Against Consumption: 1972 "italy, the New Domestic Landscape" Exhibition (1)
(Middle East Technical Univ, 2023) Boysan, Aysu; Tunca, Guelru Mutlu
In Western Europe, the 1960s and 1970s covered the radical criticism of some European designers against mass production and consumption. Several Italian Radical designers raised the most compelling objection at an exhibition on the other side of the ocean: "Italy: The New Domestic Landscape" (INDL), curated by Emilio Ambasz in the Museum of Modern Art, New York, in 1972. INDL marked a significant moment in contemporary design history. For the show, Ambasz selected more than a hundred "objects" produced by Italian manufacturers and displayed them in specially designed cases in the garden area. Moreover, he invited eleven Italian designers to create unique "microenvironments" by interpreting concepts assigned by a "special design program," such as environmental psychology, locality, urbanism, micro and macro-scale housing, consumerism, and mass production. Although the "objects" displayed in the garden were of great importance -since the event was one of the first instances of Italian design's introduction to the American public-this study concentrates on the contradicting responses of Italian designers, under headings "design and counterdesign as postulation" for understanding the design philosophy behind the appearance of "design versus non-design" dialectics of that era, which is still a recognized topic in contemporary architectural theory. This study, therefore, analyzes the eclectic and postmodern approaches of six Italian designers in the "design" category and the provocative denials of Radical designers presented under the "counterdesign" category. It aims to understand better the impact of this discursive opposition made visible by the exhibition on the anti -consumerist approaches and the search for alternative methodologies, which subsequently increased among designers.
Citation - Scopus: 2
Design Strategies for Green/Energy-efficient Building Design: an Apartment Building in the Gaziantep Project
(Springer International Publishing, 2020) Yazıcıoğlu, M.; Tunçer, M.; Çelebi, G.
The aim of this study is to introduce the energy-efficient architectural design strategies of a project which has been supported by the Turkish Ministry of Environment and Urbanization. This project has not yet been implemented, and the construction process and material choices have not been finalized. Nevertheless, it was considered important to share the design strategies and decisions. The location of the project is in Gaziantep City. The city is located in the southern part of Turkey. Some parts of the province, situated at the transition point of the Mediterranean and continental climate, are influenced by the Mediterranean climate. However, in general, summers are extremely hot and dry, and the winters are cold and rainy. Rare precipitation is most common in winter and spring. In the project, both in planning and architectural designing, the climatic and environment conditions were considered as a basic guider. Five principles were used in the design approach: “green/energy-efficient”, “buildings with identity”, “smart”, “safety”, and “human oriented”. For every principle, different strategies have been analysed and studied. In this study, only the design decisions for a green/energy-efficient building will be presented. While considering the principles and design decisions, strategies will be explained with references from scientific studies. In the green/energy-efficient design approach, the decisions transferred to the physical environment focused on the use of “passive systems”, “active systems”, and “resource conservation and local material use”. In passive solar system, principles such as “natural ventilation and wind control”, “sun control and natural daylighting”, “green roof”, and “envelope design and insulation” are considered and analysed. Solar heating is preferred during heating periods, and wind energy is preferred during cooling periods. Active solar systems were used during the seasons when the requirements were not met. Among the renewable energy sources, it is deemed appropriate to produce electricity from the sun (PV), which is the easiest way to reach and use alternative energy sources. Sun collectors in water heating were used. Also, these systems are integrated into the buildings. The basic approaches that affect the environmental performance of the building are to use local materials and to read the topography and microclimate conditions correctly. One of the most important factors affecting the shaping of the traditional buildings is the surrounding resources. In the construction of buildings, to use materials with the most sustainable resources available in the environment was proposed. Within the context of the principles and strategies mentioned above, projects have been prepared for buildings with different functions. Four- to five-storey apartments, detached houses, religious buildings, educational buildings, cultural centre, health centre, and traditional shopping malls were designed, which are related to planning and landscape principles. In this study, an apartment building will be presented with visual materials from project. © Springer Nature Switzerland AG 2020.
Citation - WoS: 32
Citation - Scopus: 37
Development and Testing of Indoor Soundscape Questionnaire for Evaluating Contextual Experience in Public Spaces
(Sage Publications Ltd, 2017) Dokmeci Yorukoglu, Papatya Nur; Kang, Jian
An Indoor Soundscape Questionnaire aiming at the evaluation of indoor public sound environments was designed, statistically tested and presented. It was established through initial pilot studies and three main factors under contextual experience variable are established as (1) psychological factors, (2) space usage factors and (3) demographical factors. In addition to the questions on demographical and space usage factors, detailed questions on psychological factors are designed and statistically tested for expectation, perception and reaction categories of the psychological factor. The questionnaire was applied as part of a case study in enclosed library foyer environments to a group of 270 participants through non-experimental survey data sampling. The reliability and validity scores of the Indoor Soundscape Questionnaire were statistically tested and confirmed. Furthermore, statistical tests were used to derive relationships between contextual experience variables of psychological, space usage and demographical factors. Chi-square test of goodness-of-fit results showed statistical significances of demographical and space usage factors with the psychological factors.
Citation - WoS: 6
Citation - Scopus: 6
Environmental Properties of Environmentally Friendly Construction Materials: Recycled Ldpe Composites Filled by Blast Furnace Dust
(College Publishing, 2021) Kayili, Merve Tuna; Celebi, Gulser
This study focused on creating a sustainable composite material using blast furnace dust of the iron-steel industry and plastic wastes of the plastic industry in order to reduce the embodied energy of the material and generate more sustainable material. In this study, varying amounts of blast furnace dust (BFD), which is the primary ironsteel industry waste and which is used as filler for recycled low-density polyethylene (LDPE), was mixed to create the composite material. The embodied energy, emissions to water and air (volatile organic compounds) of BFD filled LDPE composites were determined. It was found that the composite materials had less embodied energy compared with polymer-based flooring materials such as epoxy, polyurethane (PU) and polyvinylchloride (PVC). In addition, it was determined that the composite material did not release emissions to water and have fewer total volatile organic compounds (TVOCs). These results showed that the produced composite material could be used in buildings as a sustainable floor coating material, thus saving raw materials and supporting indoor air quality and recycling.
Citation - WoS: 1
Citation - Scopus: 2
A "historical Project": Doubling Indl Exhibition Catalogue
(Middle East Technical Univ, 2013) Mutlu Tunca, Gulru
Impact of Complexity on Perceived Affective Quality and Perceived Restorativeness in Indoor Soundscapes
(European Acoustics Association, EAA, 2023) Acun, V.; Aksel, Elif; Aksel, E.; İç Mimarlık
Eventfulness and pleasantness are two prominent components of soundscape perception, and their interplay creates attributes that are used to measure the perceived affective quality of soundscapes. Even though restorativeness is not among the principal components of soundscape perception, it is involved with soundscapes' perceived affective quality attributes. While the contribution of these attributes is well established, there is still a lack of understanding regarding how soundscape complexity impacts perceived restorativeness and perceived affective quality. There are tools, such as the Acoustic Complexity Index, to measure the complexity of natural soundscapes but soundscapes of the built environment lack such an index. This study aims (1) to understand the relationship between complexity, perceived affective quality and perceived restorativeness and (2) to explore and compare the effectiveness of different means of measuring acoustical complexity. With this regard, we conducted an online questionnaire survey which consisted of twenty soundscape recordings. We asked the participants to evaluate the perceived affective quality and perceived restorativeness of each recording. We then calculated the acoustic complexity indices, Acoustic complexity, Acoustic Diversity, Acoustic Evenness, and Normalized Differences Soundscape Index. Finally, we conducted a series of statistical analyses to explore the relationships between each variable. © 2023 Acun et al. This is an open-access article distributed under the terms of the Creative Commons Attribution 3.0 Unported License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation - WoS: 19
Citation - Scopus: 21
Indoor Soundscape Perception in Residential Spaces: a Cross-Cultural Analysis in Ankara, Turkey
(Sage Publications Ltd, 2020) Mohamed, Mohamed Ali Elghadaffi; Yorukoglu, Papatya Nur Dokmeci
Studies in the literature suggest that factors influencing soundscape perception are based heavily on sound environments and auditory perception. Nevertheless, in studying the soundscape perception of people living in certain acoustic environments, cultural, social and habitual criteria should be taken into consideration. Residential environments are where people spend most of their time. Therefore, understanding the soundscape perception in the residential context is significant for indoor soundscape studies. This research investigates the residential soundscape perception differences of two different culture groups living in Ankara, Turkey. A total of 405 Arab and Turkish residents are included in the study. The questionnaire findings are statistically analysed using one-way analysis of variance and t-test. The results suggest that the sound environment in a house setting is equally important for both culture groups, while the Arab residents showed a higher satisfaction level from their present sound environment in their residences. Furthermore, statistically significant differences have been found based on cultural variances of the two groups regarding the overall soundscape perception, sound source loudness, frequency of occurrence, and sound favourability evaluations.

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