Kitapcı, Kıvanç
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Kitapci, K. & Kitapçı, Kıvanç & Kitapci, Kivanc
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Dr. Öğr. Üyesi
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İç Mimarlık
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Former Staff
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Sustainable Development Goals
1NO POVERTY
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2ZERO HUNGER
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3GOOD HEALTH AND WELL-BEING
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4QUALITY EDUCATION
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5GENDER EQUALITY
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6CLEAN WATER AND SANITATION
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7AFFORDABLE AND CLEAN ENERGY
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8DECENT WORK AND ECONOMIC GROWTH
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
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10REDUCED INEQUALITIES
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11SUSTAINABLE CITIES AND COMMUNITIES
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
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13CLIMATE ACTION
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14LIFE BELOW WATER
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15LIFE ON LAND
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
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17PARTNERSHIPS FOR THE GOALS
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Scholarly Output
13
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6
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664/148
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WoS Citation Count
33
Scopus Citation Count
46
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0
WoS Citations per Publication
2.54
Scopus Citations per Publication
3.54
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1
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0
| Journal | Count |
|---|---|
| Applied Acoustics | 2 |
| Acoustics Australia | 2 |
| Euronoise 2021 | 1 |
| GRID - Architecture Planning and Design Journal | 1 |
| INTER-NOISE 2019 MADRID - 48th International Congress and Exhibition on Noise Control Engineering -- 48th International Congress and Exhibition on Noise Control Engineering, INTER-NOISE 2019 MADRID -- 16 June 2019 through 19 June 2019 -- Madrid -- 155804 | 1 |
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13 results
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Now showing 1 - 10 of 13
Book Part Indoor Soundscapes of the Future: Listening To Smart Houses(wiley, 2023) Alkan, A.L.; Yörükoğlu, P.N.D.; Kitapci, K.The acoustic environment of smart houses impacts the overall quality of life and wellbeing of occupants. A well-designed acoustic environment can promote relaxation, while excessive noise or distractions can negatively impact wellbeing. It is crucial to consider sound’s role in smart house design. Smart houses have built-in virtual assistants that respond to voice commands, perform various tasks, and verbally respond to such commands. This machine-to-human-to-machine verbal interaction requires high speech intelligibility (i.e., low reverberation time and high signal-to-noise ratio) in smart houses, which is not required for traditional homes. The open floor plan and multi-purpose rooms in smart houses can create challenges for sound management. This can be addressed by creating separate zones for different activities or using room dividers that help to direct and absorb sound. The design of smart houses includes the placement of speakers and other audio devices to optimize sound quality and distribution. Speakers are installed in the ceiling or walls to create a more immersive and balanced listening experience. The placement of microphones and other sensors should also be optimized for smart houses. Microphones should be placed where sound is most likely heard or where it best captures voice commands. Integrating multiple audio sources and devices creates challenges in managing and organizing sound in a smart house. Designers should consider configuring smart devices and ensuring that different devices are compatible and functioning properly. © 2024 by John Wiley & Sons, Inc. All rights reserved.Conference Object An Investigation of Sound Sources in Smart Houses for Improved Machine-To Communication(European Acoustics Association, EAA, 2023) Kitapcı, Kıvanç; Alkan, A.; Yorukoglu, P.N.D.; Kitapci, K.; İç MimarlıkThis study aims to investigate the ever-evolving indoor soundscapes of smart houses by classification of the sounds emitted from smart devices. Nowadays, communication is no longer limited to person-to-person. Smart devices frequently communicate with users by verbal or tonal notifications. Therefore, acoustic characteristics of smart houses, especially reverberation time and background noise levels, have increased importance in achieving improved and lossless signal transfer and speech intelligibility. It is hypothesized that most houses are unsuitable for effective tonal and verbal communication with smart devices regarding acoustical conditions. Within the scope of the study, the devices found in the smart technology market were investigated. The sounds emitted from the identified devices were then classified according to their communicative nature (verbal/tonal), designability, customizability, and cause (i.e., intentional or consequential). The acoustic requirements for effective communication with the individual smart devices were analyzed in addition to the resulting holistic indoor soundscape of the smart houses The results of the study will help architects, interior architects, and other environmental designers to improve the quality of communication while guiding future research to understand indoor soundscapes of smart houses. © 2023 First author 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.Conference Object İç Mimarlık Eğitiminde Sesin Bir Tasarım Elemanı Olarak Ele Alınması: İşitsel Peyzaj Çalıştayı Deneyimi(2021) Kitapçı, Kıvanç; Dökmeci Yörükoğlu, Papatya NurBu bildiride, Hacettepe Üniversitesi, Güzel Sanatlar Fakültesi, İç Mimarlık ve Çevre Tasarımı bölümünün düzenlediği Tasarım Eğitiminde Sıfır Atık Yaklaşımı Eğitim Çalıştayı II kapsamında yapılmış olan, ‘Sesin Kaynak Olarak Mekân Tasarımında Yönetimi ve Değerlendirilmesi’ başlıklı çalıştayın kurgusu ve uygulama süreci aktarılmaktadır. Bu çalışmanın temel amacı, katılımcılara mekan tasarımında işlev, konfor ve aidiyet gibi kavramlara da yön veren ses olgusunu nasıl yönetilebilir bir kaynak olarak ele alabileceklerini aktarmaktır. Toplam 24 katılımcı ile gerçekleştirilmiş olan bu çalıştay oturumu, teori, uygulama ve tartışma olmak üzere toplam üç ana bölümden oluşmuştur. İlk bölümde katılımcılara, uygulamalı bölümün gerçekleştirilebilmesi için gerekli olan mimari akustik, işitsel peyzaj ve ses tasarımı konularında teorik bilgiler özet olarak aktarılmıştır. İkinci, uygulamalı bölümde ise, aktarılan bu teorik bilgiler doğrultusunda 2 farklı işleve sahip, restoran ve ofis olarak belirlenmiş iç mekânların ses tasarımlarının, çalıştay katılımcıları tarafından birbirleri ile etkileşimli olarak işitselleştirilmesi pratiği yapılmıştır. Bu çalıştay oturumunda ortaya çıkan sonuç ürünlerin, iç mekân ses tasarımının görsel-işitsel deneyim üzerindeki katkısı hakkında farkındalık yaratması hedeflenmiştir. Katılımcıların hangi ses kaynaklarını, hangi mekânlarda ve işlevlerde, nasıl değerlendirecekleri çalıştayın ana çıktısını oluşturmaktadır. Bunun yanı sıra, farklı katılımcıların aynı görsel için ürettikleri ses tasarımları arasındaki farklılıklar, tasarımcının işitsel çevre üzerindeki yaratıcı rolünü de vurgulamıştır.Article Acoustics and Speech Privacy in Open-Plan Offices: A Case Study on Computer-Based Task Performance(2018) Kitapçı, KıvançThe aim of this study is to find out the effects of speech and speech intelligibility on computer-based task performance in open-plan offices. The research was conducted in a real open-plan office environment to include the open-office experience of subjects to the analysis. STM Bilkent Office was selected as the case, and 40 available open-office occupants were participated to the study. The experiment consists of two main phases. In the first phase, acoustical simulation of the site was done, to derive distribution graphs for speech related room acoustics parameters. In the second phase, occupants’ computer-based task performances were tested under three different sound environments, which are continuous noise, speech and masked speech. According to statistical analysis of the performance test, and the acoustical properties of the case STM, suggestions for renovation were discussed. It was found that effects of intelligible speech on occupants’ task performance are only psychological, because it is significant that there is no difference between results of performance test. However, all of the occupants respond to the questionnaires that speech sound environment was the most distracting one. Proposal for renovation was given to minimize the effects of intelligible speech on occupants for preventing the long-term effects on occupants’ health.Conference Object Reconstructing the Soundscape of the Ancient Hippodrome of Olympia for an Immersive Sonic Experience of the Site Based on Sound Sources Description in Texts(Société Française d’Acoustique, 2024) Al-Bayyar, Zinah; Dokmeci Yorukoglu, Papatya Nur; Kitapci, Kivanc; Çelebi, Gülser; Yorukoglu, Papatya Nur DokmeciThis study attempts to reconstruct and auralize the soundscape of the Hippodrome of Olympia in Greece. This UNESCO world-heritage-listed-site is considered the evidence of the Greek hippodromes. Hippodromes used to have several activities from which different combinations of sound sources created the soundscape. To collect sound sources, description in texts of site is sought by implementing methods of the archaeology of soundscape and the suggested criteria of contextual, internal, and comparative certainty for archaeoacoustics studies. The description of these activities facilitates reconstructing and auralizing the soundscape during different phases of events in the hippodrome. The results of the study showed that the information about the activities on the hippodrome, on similar hippodromes of different civilizations, and on similar hippodromes of later eras are rather sufficient to create a comprehensive soundscape of the site. Auralizing the reconstructed soundscape by using current auralization software and techniques promises of immersive experience of ancient sites that enhances understanding the sonic intangible cultural heritage element and the experience of the ancient soundscape. Furthermore, ancient users’ perception of the soundscape can be approached by localizing the sound sources on the site and obtaining the corresponding acoustical properties, providing information of users’ response to the sonic. © 2025 Elsevier B.V., All rights reserved.Conference Object Citation - Scopus: 7Room Acoustics Education in Interior Architecture Programs: a Course Structure Proposal(SOCIEDAD ESPANOLA DE ACUSTICA - Spanish Acoustical Society, SEA, 2019) Kitapcı, Kıvanç; Kitapci, K.; İç MimarlıkSoundscape research alters the notion of room acoustics from a physical phenomenon to a new multidisciplinary approach that concerns human perception of the acoustic environment, in addition to the physical calculations and measurements. Many interior architecture programs include courses that specifically focus on room acoustics. Although a brief introduction to the technical aspects of room acoustics is considered mandatory, the current course structure does not deliver sufficient information on the human perception of the acoustic environment. Therefore, the aim of the study is to reconsider the structure of room acoustic courses and present a brand-new room acoustics course structure proposal for the interior architecture programs. The study consists of two main phases. In the first phase, a database of all courses that include various topics on room acoustics is prepared through examination of the course descriptions of all undergraduate and graduate interior architecture programs in Turkey. In the second phase, the revisions to the current state of the room acoustics course structures are advised through an in-depth systematic literature review on the research area of soundscapes. Preliminary results and the initial course structure model will be presented at the conference. © INTER-NOISE 2019 MADRID - 48th International Congress and Exhibition on Noise Control Engineering. All Rights Reserved.Article Citation - WoS: 2Citation - Scopus: 2Impact of Indoor Soundscape Workshop on Sound Awareness of Interior Architecture Studentsa)(Acoustical Soc Amer Amer inst Physics, 2025) Al-Bayyar, Zinah; Yorukoglu, Papatya Nur Dokmeci; Kitapci, Kivanc; Bayrak, Ozlem Turker; Dökmeci Yörükoğlu, Papatya Nur; Türker Bayrak, ÖzlemThis study aims to investigate the effects of attending a soundscape workshop on the awareness of sound as a design element for interior architects. The workshop is structured in three phases: theoretical lectures, practical applications, and discussions. In the first phase, fundamentals of architectural acoustics, the sense of place, and soundscape theory were delivered through theoretical lectures. In the second phase, participants were asked to design a sound environment for a restaurant and an office. In the third and final phase, participants discussed their sound designs from the perspectives of the lectures and sound-related topics. Additionally, participants completed an open-ended questionnaire to evaluate their workshop experience and provided suggestions for improvement. The effectiveness of the workshop in raising awareness was tested using a pre-test/post-test analysis method, with data collected through structured questionnaires completed by participants before and after the workshop. The results of the statistical analysis show that attending the workshop changed participants' evaluations of sound expectations and preferences, as well as their sensitivity to sound. The findings indicate that participating in an indoor soundscape workshop can positively influence interior architects' understanding of sound as a design element to be considered in their future work. (C) 2025 Acoustical Society of America.Article Citation - WoS: 10Citation - Scopus: 13Perceptual Analysis of the Speech Intelligibility and Soundscape of Multilingual Environments(Elsevier Sci Ltd, 2019) Kitapci, Kivanc; Galbrun, LaurentThis paper examines the perceived speech intelligibility of English, Polish, Arabic, and Mandarin and, more generally, the soundscape associated to multilingual environments. Listening tests were used to evaluate three acoustic environments (an airport, a hospital, and a caf) under three room acoustic conditions defined by a different speech transmission index (STI) (STI = 0.4, 0.5 and 0.6). In the tests, participants rated eleven semantic attributes representative of speech perception and the overall soundscape (speech intelligibility, speech level, speech pleasantness, noisiness, annoyance, relaxation, comfort, environment pleasantness, eventfulness, excitement, and familiarity). Results obtained indicate that inter-language comparisons based on perceived speech intelligibility are different from those obtained from objective speech intelligibility tests. Noticeably, English participants were found to be most sensitive to changes in room acoustic conditions and to meaningful and distractive noise sources, whilst Arab participants were least sensitive to changes in room acoustic conditions and more tolerant to noise. Perceived speech intelligibility correlated significantly with non-acoustical factors (speech pleasantness, comfort and environment pleasantness), and 'emotional factors' (annoyance, relaxation, comfort and environment pleasantness) explained a large portion of the variance in soundscape assessment. Results also showed that language affected the perceived speech intelligibility marginally (p = 0.051) and noisiness significantly (p = 0.047), the latter being the best indicator of cultural variations amongst the attributes tested. Overall, the study shows that designing for speech intelligibility cannot be solely based on room acoustic parameters, especially in the case of multi-lingual environments. (C) 2019 Elsevier Ltd. All rights reserved.Article Citation - WoS: 5Citation - Scopus: 6Audio-Visual Interactions and the Influence of Colour on Noise Annoyance Evaluations(Springer Singapore Pte Ltd, 2021) Kitapci, Kivanc; Akbay, SaadetThis 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.Article Citation - WoS: 7Citation - Scopus: 9The 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, GulsahThe 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.