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50 th International Congress and

Exposition on

PROCEEDINGS OF

1-5 AUGUST

The 2021 International Congress and Exposition of Noise Control Engineering

Links are below: Adobe Reader or Acrobat is recommended for browsing

 Forward

 Congress Organization

 Session Index (Table of Contents)

 Author Index

 Copyright Notice

Proceedings Editors: Tyler Dare, Stuart Bolton, Patricia Davies, Yutong ‘Tony’ Xue, Gordon Ebbitt Congress Proceedings Sponsor:

Organized by INCE-USA and ProAcustica on behalf of I-INCE

www.internoise2021.org

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INTER-NOISE 2021

COPYRIGHT NOTICE and PUBLICATION INFORMATION

These Proceedings consist of technical articles from the INTER-NOISE 2021 conference Editors: Tyler Dare, Stuart Bolton, Patricia Davies, Yutong ‘Tony’ Xue, and Gordon Ebbitt ISBN: 978-1-7325986-5-2

The Proceedings are published by the Institute of Noise Control Engineering of the United States of America, Washington DC, USA

Copyright©2021,The Institute of Noise Control Engineering of the USA, Inc.

Washington, DC.

The contents of these Proceedings have been reproduced from author-submitted files. The authors are solely responsible for the technical content. Positions and opinions advanced in these papers are those of the author(s) and not necessarily those of the Institute of Noise Control Engineering of the USA or SAE International. The author is solely responsible for the content of the paper.

Permission is hereby granted for any person to reproduce a fractional part of any paper herein provided that permission is obtained from its author(s) and credit is given to the author(s) and these proceedings. Notification to INCE-USA is also required. An author or his or her research sponsor may reproduce his or her paper in full, crediting these proceedings. This permission is not

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The price for a USB drive with these proceedings is 75 U.S. dollars. Add 2

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to other countries.

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inter-noise2021|Next 50 Years of Noise Control |Program 2

WELCOME AND

ORGANIZATIONAL MATTERS

Welcome to INTER-NOISE 2021!

The 50th International Congress and Exposition on Noise Control Engineering, Washington DC, USA, is organized by the Institute of Noise Control Engineering of the USA (INCE-USA) and ProAcustica (Brazil), on behalf of the International Institute of Noise Control Engineering (I-INCE). Cooperative societies that support the 50th Congress include the Acoustical Society of America, SAE International, Spanish Acoustic Society, and the Korean Society for Noise and Vibration Engineering. We are also part of the Year of the Sound 2020+ events.

The planning process has been very challenging due to the COVID-19 pandemic and associated complications as encountered by all professional societies and scientific conferences. Originally, it was planned as a “live” meeting with plenty of 50th congress celebrations since the 1st INTER-NOISE was held in Washington DC in 1972. Finally, it was decided to hold the conference only in the virtual or online mode due to health considerations and travel restrictions around the world, although we briefly considered the “hybrid” meeting concept about a year back.

The Congress theme is “Next 50 Years of Noise Control” as we intend to look forward while honoring the accomplishments of last 50 years. Like prior congresses, our program covers all aspects of noise control engineering, acoustics, and vibration. Highlights of the overall program include the following:

7 plenary or keynote lectures on a range of relevant topics

Over 585 papers in 120+ sessions

About 50 posters

Special events such as Latin American Symposium and several workshops or sessions

Over 60 networking sessions for informal conversations and exchange of ideas

Programs for young professionals and students

At least 23 exposition booths, with 3 gold and 3 silver sponsors (from several countries)

WELCOME note from the CONGRESS PRESIDENT, CO-PRESIDENT and

TECHNICAL CHAIR

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inter-noise2021|Next 50 Years of Noise Control|Program 3

Raj Singh, Congress President

Davi Akkerman, Congress Co-President

Tyler Dare,

Technical Program Chair There are a few innovative elements to better utilize the online mode. For instance, the schedule considers the geographical locations of most attendees in Americas, Europe-Africa, and Asia-Pacific regions. Accordingly, 15-hour days are planned in the Cadmium platform, recognizing that attendees will pick and choose what they can or able to attend. The entire schedule is displayed only in the New York (or Washington DC) time zone from 6:00am to 9:00pm; attendees should consult the https://www.timeanddate.com/ site for find local times.

Another novel element is the introduction of virtual networking sessions to simulate in-person hallway or around the table discussions. These are being held throughout the congress on selected topics with moderators to lead the discussion and encourage attendees to enjoy virtual coffee, lunch, cocktail or dinner breaks. Finally, the 9:00am to 11:00am New York time is reserved each day for opening and closing ceremonies and for seven featured lectures (almost without any other parallel events).

We express our most sincere gratitude to many individuals and institutions as listed under the Organizations part of this book, and of course the authors, presenters, and contributors (see the detailed schedule). We thank our sponsors and exhibitors as well – see the relevant parts of this book for details. Also, we salute the organizers of the past 49 congresses for their efforts to bring us to this 50th congress.

Finally, we hope you enjoy the entire program from the comfort of your home or work. Note that the recordings will be available on the Cadmium platform (about a week after the live events, except for the networking sessions that cannot be recorded) for about 2 months if you wish to watch or re-watch certain presentations. Proceedings will include all written papers (including the doi information) and a table of contents; papers will be added to the INCE digital archive in about 3 months. Questions may be directed to [email protected].

Sincerely,

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inter-noise2021| Next 50 Years of Noise Control Congress President Raj Singh

Congress Co-President Davi Akkerman Technical Program Chair Tyler Dare

Technical Program Co-Chairs Stuart Bolton, Julio Cordioli, Patricia Davies, David Herrin Proceeding Editors Tyler Dare, Stuart Bolton, Patricia Davies, Gordon Ebbitt,

Yutong ‘Tony’ Xue

I-INCE Liaison Robert Bernhard, Patricia Davies Young Professionals Grants and

Practice School for Students

Patricia Davies, Taha Sen 50th Congress Celebration Patricia Davies

Latin American Events Davi Akkerman, Carolina Monterio Networking Sessions

Coordinator

Alexis Kurtz INCE-USA Executive Director Joe Cuschieri

Operations & Virtual Events John Lessard, Casey Lane, Brittney Iodice, Catherine La Valley, Caitlin McAuslin Exposition & Sponsorship Regina Young, Eileen Kilroy

Website Steve Hambric, Ben Bussey

Marketing Carol Fusaro, Darya Behnia, Rui Cao Congress Secretariat INCE-USA IBO

11130 Sunrise Valley Drive, Suite 350, Reston VA 20191 USA +1 703 234 4124 (phone), +1 703 435 4390 (fax)

The 50thInternational Congress and Exposition on Noise Control Engineering is organized by the Institute of Noise Control Engineering of the USA (INCE-USA) and Pro Acustica (Brazil), on behalf of the International Institute of Noise Control Engineering (I-INCE).

CONGRESS ORGANIZATION

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inter-noise2021|Next 50 Years of Noise Control Acoustical Society of America

SAE International

Spanish Acoustic Society (SEA)

Korean Society for Noise and Vibration Engineering

The Year of Sound

COOPERATIVE ORGANIZATIONS

INTERNATIONAL ADVISORY COMMITTEE

Europe-Africa Region: Jorge Patricio, Antonio Perez-Lopez, Antonio Pedrero, Luigi Maffei, Jean Touret, Joachim Scheuren, Otto von Estorff, Brigitta Schulte Fortkamp, Carsten Spehr, Barry Gibbs, Bernard Berry, Christian Kirisits, Jean-Pierre Clairbois, Gijsjan van Blokland, Douglas Manvell Asia-Pacific Region: Ichiro Yamada, Kohei Yamamoto, Sonoko Kuwano, Yang

Jun, Xiandong Liu, Yang-Hann Kim, Jin Yong Jeon, Li Cheng, Chandramouli P, A. R. Mohanty, Marion Burgess, John Davy Pan-America Region: Marcos Holtz, Jorge Arenas, Eric Brandão, Bruno Masiero, Carolina

Monteiro, Julio Cordioli, Robert Bernhard, Joe Cuschieri, Patricia Davies, David Herrin, Teik Lim, George Maling, Eric Wood, Bob Hellweg, Malcolm Crocker, Paul Donavan

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inter-noise2021| Next 50 Years of Noise Control

INTERNATIONAL INSTITUTE OF NOISE CONTROL ENGINEERING (I-INCE)

web: http://i-ince.org/

e-mail: [email protected]

I-INCE OFFICERS

MEMBERS OF THE BOARD (DIRECTORS)

Robert Bernhard President (2020 - 2022) Luigi Maffei President-Elect (2020 - 2022)

Marion Burgess Immediate Past President (2020 - 2022) Charlie Moritz INTER-NOISE 2018 (2019 - 2021) Antonio Perez-Lopez INTER-NOISE 2019 (2020 - 2022) Jin Yong Jeon INTER-NOISE 2020 (2021 - 2023) J. Stuart Bolton Director at Large (2019 - 2021) John Davy Director at Large (2020 - 2022) Kristian Jambrosic Director at Large (2021 - 2023) President Robert J. Bernhard (2020 - 2022), USA President-Elect Luigi Maffei (2020 - 2022), Italy Immediate Past President Marion Burgess (2020 - 2022), Australia Secretary-General Paul R. Donavan (2016 - 2021), USA Treasurer Douglas Manvell (2016 - 2023), Denmark Catherine Lavandier Vice President Europe Africa (2019 - 2021) Li Cheng Vice President Asia-Pacific (2021 - 2023) Davi Akkerman Vice President Pan-America (2019 - 2021)

Gijsjan van Bloklan Vice President, Development & Outreach (2020 - 2022) Patricia Davies Vice President, Technical Activities (2018 - 2023) Steve A. Hambric Vice President, Rules and Governance (2019 - 2021)

Joe Cuschieri Vice President, Communications and Webmaster (2016 - 2021)

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inter-noise2021|Next 50 Years of Noise Control

INCE-USA DIRECTORS

Rui Cao (At Large, Term April 2021 - Sept 2022) Felicia Doggett (Term April 2021 - Sept 2024)

Matthew Golden (At Large, Term April 2021 - Sept 2022) Melinda Miller (Term April 2021 - Sept 2024)

Chad Musser (Term April 2019 - Sept 2022) Robert O’Neal (Term April 2020 - Sept 2023) Thomas Reinhart (Term April 2019 - Sept 2022) Pranab Saha (Term April 2019 - Sept 2022) Courtney Schoedel (Term April 2020 - Sept 2023) Kerrie Standlee (Term April 2020 - Sept 2023) Mark Storm (At Large, Term April 2021 - Sept 2022) Yutong (Tony) Xue (Term April 2021 - Sept 2024) Rick Kolano (Term April 2020 – Sept 2022) George C. Maling, Jr. Managing Director Emeritus

INSTITUTE OF NOISE CONTROL ENGINEERING OF THE USA (INCE-USA)

web: https://www.inceusa.org/

e-mail: [email protected]

INCE-USA OFFICERS

Mike Bahtiarian President (Term April 2020 - Sept 2022) & Director Judith Rochat President Elect, VP - Executive Committee

(Term April 2021 - Sept 2022)

Steve Marshall Past President (Term April 2018 - Sept 2022) & Director Randy Rozema Secretary (Term 2019 - 2024)

Deane Jaeger Treasurer (Term 2011 - 2023) Dana Lodico Vice President - Honors and Awards

(Term April 2019 - Sept 2022)

Christopher Morgan Vice President - Board Affairs (Term April 2020 - Sept 2023) Paul Burge Vice President - Board Certification

(Term April 2018 - Sept 2024)

Steve Sorenson Vice President – Conferences (Term April 2021 - Sept 2024) Jeanette Hesedahl Vice President – Membership (Term April 2021 - Sept 2024) Kristin Cody Vice President - Public Relations (Term April 2021 - Sept 2024) David Herrin Vice President – Publications (Term April 2020 - Sept 2023) Hether Fedullo Vice President - Technical Activities

(Term April 2021 - Sept 2024)

Tyler Dare Vice President - Student Activities & Education (Term April 2021 - Sept 2024)

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inter-noise2021| Next 50 Years of Noise Control

INCE-USA STAFF

INCE-USA BUSINESS OFFICE

c/o Virtual, Inc., 11130 Sunrise Valley Dr, Suite 350, Reston, VA 20191 (703) 234-4377, [email protected]

Joseph M. Cuschieri Executive Director John Lessard Business Manager

James K. Thompson Editor, Noise Control Engineering Journal Eoin Anthony King Editor, Noise News International

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inter-noise2021|Next 50 Years of Noise Control

BRAZILIAN ASSOCIATION FOR ACOUSTICAL QUALITY (PROACÚSTICA)

web: http://www.proacustica.org.br/

e-mail: [email protected]

OFFICERS AND BOARD OF DIRECTORS (BIENNIUM 2020-2021)

COMMITTEES

MANAGERS

PROACÚSTICA BUSINESS OFFICE

Luciano Nakad Marcolino Executive Chairman

Alberto Safra Vice President Administrative Financial Marcos Cesar de Barros Holtz Vice President of Technical Activities

Carlos Henrique Mattar Vice President of Communications and Marketing Edison Claro de Moraes Vice President of Investor Relations

José Carlos Giner Vice-President of Associative Resources Omair Roberto Zorzi Chairman of the Board

Eduardo Volkart da Rosa Vice Chairman of the Board

Rafael Schmitt Adviser

Lineu Passeri Júnior Adviser Rafael Siais Furtado Adviser Cândida de Almeida Maciel Adviser Olavo Fonseca Filho Adviser Marcelo de Godoy Adviser

Juan Frias Pierrard Coordinator, Environmental Acoustics Committee Davi Akkerman Coordinator, Buildings Acoustics Committee José Augusto Nepomuceno Coordinator, Room Acoustic Committee

Dieivase Chrischon Technical Manager Maria Elisa Miranda Executive Manager

Av. Ibirapuera, nº 3.458 - Sala 01 – Indianópolis, São Paulo/SP - Brasil - CEP 04028-003 e-mail: [email protected]

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An initiation to revive the unique sound of Indonesian cities

Christina E. Mediastika1

Department of Architecture, Petra Christian University Jalan Siwalankerto 121-131 Surabaya, Indonesia

Anugrah S. Sudarsono2

Kelompok Keahlian Fisika Bangunan, Institut Teknologi Bandung Jalan Ganeca 10 Bandung, Indonesia

Sentagi S. Utami3

Department of Engineering Physics, Universitas Gadjah Mada Jalan Grafika 2 Yogyakarta, Indonesia

Isnen Fitri4

Department of Architecture, Universitas Sumatera Utara Jalan Padang Bulan Medan, Indonesia

Rizka Drastiani5

Department of Architecture, Universitas Sriwijaya

Jalan Raya Palembang - Prabumulih Km. 32 Indralaya, Indonesia

MI Ririk Winandari6

Department of Architecture, Universitas Trisakti Jalan Kyai Tapa 1 Grogol Jakarta Barat, Indonesia

Akbar Rahman7

Department of Architecture, Universitas Lambung Mangkurat Jalan A. Yani Km. 34.1 Kota Banjarbaru, Indonesia

Asniawaty Kusno8

Department of Architecture, Hasanudin University Jalan Poros Malino Km. 6 Gowa, Indonesia

NW Meidayanti Mustika9

Department of Architecture, Universitas Warmadewa Jalan Terompong 24 Denpasar, Indonesia

Yuliana B. Mberu10

Department of Architecture, Universitas Katolik Widya Mandira Jalan San Juan 1 Penfui Timur Kupang, Indonesia

1[email protected]

2 [email protected]

3 [email protected]

4 [email protected]

5 [email protected]

6 [email protected]

7 [email protected]

8 [email protected]

9 [email protected]

10 [email protected]

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ABSTRACT

As a large country with thousands of ethnic groups and cultures, it is hoped that every city in Indo- nesia will have its uniqueness. However, preliminary data collected from 10 major cities in Indonesia shows no identity. The most visited public places in these cities, i.e., parks and squares, which are ideally associated with nature’s sound, are dominated by human noise and traffic noise. Surprisingly, a noisy acoustic environment is not considered a nuisance. The study reported here looks further at how the public place visitors perceived the acoustic environment during their visit. Also, to know whether the participants perceive unique sound that builds the sound environment of the public place.

Due to the Covid-19 pandemic, an online questionnaire developed using a 5-point Likert scale was distributed to collect data. Five hundred and ninety-six respondents participated in the survey. A one- way ANOVA test was run to identify the mean point of the data gathered. At no surprise, it is again strengthened the former study, in which the participants perceived the urban environment in Indone- sia as a busy environment. It is, again, caused mainly by traffic noise and human activity noise, and that no unique sound has emerged in the studied cities. The study’s findings shall initiate a program to revive the unique sound of Indonesian cities as they were in the past.

1. INTRODUCTION

Being the 15

th

largest country globally by area, Indonesia is one of Asia's most populous countries.

The populations primarily reside in urban areas that caused eleven cities of the country to be the most populated, which have surpassed one million [1]. These are not to mention hundreds of other towns with minimum populations of 100,000. These cities are scattered among 34 provinces. With hundreds of cities, large populations, and so many tribes living in these cities, it is expected that each city has its uniqueness both in visual and aural context. The current shape of Indonesian cities is a transfor- mation from its initial traditional state. They transform from conventional to modern structures, both physically and in the conception of its citizens' urbanity, from the traditional-informal concept to the modern-formal concept [2]. Theoretically, Indonesia is not a homogeneous country with diversity that includes numerous cultural groups. Historically, its cities reflect this diversity [3].

However, over time overwhelmed with modernity, each city's visual and aural difference gradually disappears, leaving only a minimal feature of their identity in the visual context. While sound can provide unique characteristics for the urban environment [4,5] and positively affect the residents [4], these cities left almost no identity of their aural context. Indonesian cities are noisy [6], and it is ready to be observed in their public places, mostly in parks and squares. Indonesian parks and squares ac- commodate social activities, a typical urban dwellers' activity in Indonesia [7], rather than individual activity or peer but in a small group as those of other countries [8].

An initial study to map the most visited public places in Indonesian cities and the sound source

that build the acoustic environment of the sites within the same series of the current study indicates

noisy acoustic environment is not considered a nuisance [7]. The acoustic environment of public

places in Indonesian cities, which ideally represent the uniqueness of each city, is dominated by hu-

man voices and music in line with their communal activities in the public place. The second dominant

is traffic noise, which quickly penetrates public places because most areas are not large enough to

provide natural noise reduction with distance [7]. Unique sounds have disappeared due to the loss of

unique activities in each city, worsening by noise. Thus the acoustic environment is not specific in

every place, making most public places in Indonesian cities are perceived similarly by visitors [7]. A

step ahead of the initial study, the current study's objective is to investigate further how visitors per-

ceived the acoustic environment during their visit. Also, to learn whether the visitors perceive unique

sound that builds the sound environment of the public place. The finding will later be used to seek

the possibility of reviving the uniqueness of the sound of Indonesian cities.

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2. METHODS

The study was conducted empirically by collecting data from ten largest Indonesian cities, i.e., Medan, Palembang, Jakarta, Bandung, Yogyakarta, Surabaya, Banjarmasin, Makassar, Denpasar, and Kupang. All are capital cities of Provinces, which stretches from West to East Indonesia, i.e., Su- matera Utara, Sumatera Selatan, Daerah Khusus Ibukota, Jawa Barat, Daerah Istimewa Yogyakarta, Jawa Timur, Kalimantan Selatan, Sulawesi Selatan, Bali, and Nusa Tenggara Timur, respectively (Figure 1). Based on the existence of different ethnic groups with their local cultures, it is expected that the three most visited public places in each city [7] have a unique sound environment. A set of questionnaires was developed to collect the opinions of the city dwellers on whether the unique sound is still present in each city.

Figure 1. The location of ten Indonesian cities where responses of the questionnaire were collected.

The questionnaire was grouped into two sections. The first part was the demographic question consist of multiple choices, which were closed by a 5-point Likert scale question of how well they know the place. Meanwhile, the second part asked participants to describe the sound they experienced at the public place using a 5-point Likert scale (Table 1). The 5-point are 1= strongly disagree, 2=dis- agree, 3=neutral, 4=agree, 5=strongly agree. In the second part, similar questions were asked several times using different vocabulary or terminology to check the answers' consistency. The questionnaire was designed using an online mode for ease of distribution during the Covid-19 pandemic and gath- ering as many responses as possible. It was shared using the WhatsApp application, both through private and group communications. It was still uneasy about collecting responses during the shocking first quarter of the pandemic. It might be caused by the fact that people were still adapting to working and schooling from home.

The questionnaire was distributed to city dwellers in each city who were most likely are native to the town because, in the first quarter of the pandemic (March to June 2020), Indonesians were strictly forced to stay at home. During that period, employees worked, and students studied from home, and there is almost no outside public activity conducted. Indonesian cities were far quieter than they are during the regular situation. The participants recall their memory of the public place to fill in the questionnaire shared.

Questionnaire responses collected using a Likert scale are categorised as ordinal data, i.e., non-

parametric data. With this type of data, the mean point is suggested to be tested using a non-paramet-

ric statistical method such as Kruskal Wallis. However, since the number of the data gathered was

large enough, a one-way analysis of variance (ANOVA) was employed to process the data. Further-

more, ANOVA is also a commonly used tool to analyse Likert scale data [9].

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Table 1. The questionnaire

Sections Question topics Type of questions

1 Demographic sex multiple choice

age multiple choice

favourite public place multiple choice

last time of visit multiple choice

how well knowing the place Likert scale

2 Environment general perception open question

preferred sound source open question disturbing sound source open question

dominant sound open question

reason of visit open question

type of activity open question

important sound open question

unique sound open question

suggestion for improvement open question

traffic noise Likert scale

human activity Likert scale

nature Likert scale

music Likert scale

other (construction/industrial noise) Likert scale

perception of fun Likert scale

perception of noisy Likert scale

perception of excited Likert scale

perception of quiet Likert scale

perception of calming Likert scale perception of disturbing Likert scale perception of crowded Likert scale

perception of boring Likert scale

level of noise Likert scale

perception of sound in general Likert scale

suitability of sound Likert scale

3. RESULTS AND DISCUSSION

The online questionnaire distributed to the ten cities’ residents gathered 596 responses. The distri- bution of responses and demographic data are tabulated in Table 1 and Table 2. Here, we see that the number of responses returned by the deadline was not even. A significant difference occurred in Makassar (only 37 replies were collected) and Denpasar (131 replies were collected). It might be caused by the pandemic of Covid-19 condition and the slightly complicated questionnaire for laypeo- ple. A Likert scale style question is easy to construct but has a significant disadvantage because it takes longer to complete than other styles [10], mainly when more points are used.

Responses were primarily collected from those aged 21 to 40 years with a randomly distributed

questionnaire, inadvertently. It would benefit the validity of further analysis of public places’ visitors

because Mean and Tims indicated that this age range is a frequent visitor of public places, especially

parks [11]. The terminology of ‘frequent visitor’ is supported by the time of visit, in which 476 par-

ticipants visit the selected public site less than one year. Based on Carr’s [12] classifications of public

places of a city, the demographic data shows that places classified as parks were the most favourite

public place. It strengthened the earlier study of the same series that parks were the most visited [7].

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Table 2. Distribution of participants (N=596)

Medan Palembang Jakarta Bandung Yogyakarta Surabaya Banjarmasin Makassar Denpasar Kupang

46 56 47 48 69 59 43 37 131 60

Table 3. Demographic data (N=596)

Sex male 323

female 273

Age ≤ 20 89

21-30 276

31-40 126

41-50 57

>50 48

Favourite public place park 282

street 86

waterfront 82 square, Plaza 71 memorial site 40 shopping centre 35 Last time of visit < 1 year ago 476 1-2 years ago 73 2-3 years ago 21 > 3 years ago 26

In the earlier study, in which the questionnaire was built using data provided by ten local urban experts, the sound source in Indonesian cities’ public places was classified as human activity (e.g., voice, children playing, seller, sport), road traffic, nature (e.g., wind, bird, sea wave, water stream, water fountain), machinery (i.e., boats, light trains, and workshop), and other sources (e.g., whistle, crossing sign, mosque speaker) [7]. In this study, the sound source was modified into human activity, traffic, nature, music, and other sources. Music was removed from the human activity classification because it was found quite dominant in this classification, and it was identified as playback music, not live music performances.

ANOVA indicates that the sound source dominance ratings in ten cities are significantly different, as shown in Table 4. Further analysis was done based on the mean value of the rating, which shows that different cities have various dominant sound sources consisting of human activity, music, traffic, nature, and other noise classified in the questionnaire. However, the rating of traffic noise and other noise (Figure 2) seems to be consistent and perceived similarly by participants among the nine cities surveyed besides Surabaya. The terminology of ‘other noise’ source, which consists of construction and industrial noise, was found the highest in Jakarta. The domination of traffic, construction, and industrial noise in urban public places’ acoustic environment describe how busy Indonesian cities are. It strengthens an earlier finding of Columbijn’s study [6] that Indonesian cities were noisy. It also supports earlier studies, which indicated that Surabaya parks and streets are noisy [13,14].

Nonetheless, there is an anomaly in Surabaya. The data shows a considerably low rating of traffic noise and other noise due to the indoor urban area that represented Surabaya, i.e., a shopping mall.

Parks and other outdoor public places could be noisy predominantly by traffic. However, traffic,

construction, and industrial noise were not detected in the shopping mall by Surabayans, but human

activity noise instead (Figure 2). It strengthens another former study, which showed that even without

the penetration of outdoor noise, visitors perceived the acoustic environment of shopping malls as

noisy caused by the activity within the malls [15]. Besides the uniformity of sound, the study also

indicated the uniqueness of the urban regions in different cities, represented by human activity,

nature’s sound, and music (Figure 2).

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Figure 2: The sound source profiles of ten Indonesian cities are classified as traffic, human activity, music, nature and other noise.

The fact that the urban acoustic environment in the ten cities is uniformly noisy caused by traffic,

construction, and industrial noise are ironic. When the most visited public place is the park, the

dominant acoustic environment should be nature’s sound. The domination of traffic noise in

Indonesian parks is because the parks are generally small, so they cannot withstand traffic noise

intrusion in the vicinity. With considerably small sizes, parks in Indonesia hardly produce quietness

to boost nature’s sound, which mainly can be obtained only in the middle of the park [16]. Meanwhile,

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residents of Makassar and Banjarmasin consider nature’s sound is still present in their public places.

Their favourite places are waterfronts, where the roaring sea wave and water streams seem loud enough to be heard in conjunction with traffic and human activity noise. In Denpasar, where the three favourite places are all parks, nature’s sound still presents because the top-visited park is quite large, namely ‘Lapangan Niti Mandala’, 140,000 sqm. The park is also located alongside less-crowded streets compared to commonly major streets in Denpasar.

Table 4. ANOVA test (N=596)

Sum of

Squares df Mean

Square F Sig.

Traffic noise Between Groups 173.713 9 19.301 21.561 .000

Within Groups 493.260 551 .895

Total 666.973 560

Other noise Between Groups 24.648 9 2.739 3.010 .002

Within Groups 501.356 551 .910

Total 526.004 560

Human activity noise Between Groups 47.375 9 5.264 4.803 .000

Within Groups 603.844 551 1.096

Total 651.219 560

Nature Between Groups 165.213 9 18.357 14.989 .000

Within Groups 674.791 551 1.225

Total 840.004 560

Music Between Groups 211.192 9 23.466 20.948 .000

Within Groups 617.239 551 1.120

Total 828.431 560

Interestingly, music was found to dominate the public place of Yogyakarta in conjunction with traffic, human activity, and other noise. The participants select Malioboro street as the top public place since it is the most historical and the most visited site. Malioboro street is lined with shops and street vendors at the left and right, mainly selling souvenirs, where many cultural activities are regularly held. It is a valuable indication to revive the unique sound of a city with a high culture like Yogyakarta using music. The idea of using music to restore the unique sound seems to be in line with the young generation as the significant visitors of the public place. They are suspected of not knowing the remarkable sound of the past.

Designing a visually and aurally unique city is essential in the uniform modern environment, especially for Indonesian cities. It is not only for the good of Indonesians in general but also for blind Indonesians because they rely mainly on sound to know their surrounding. Indonesia is a country with a large population of visually impaired people [15]. These people need a built environment empathically designed for them, an urban environment that profoundly understands their needs [17].

4. CONCLUSIONS

The online questionnaire shared with ten Indonesian cities’ residents collected 596 responses. Be-

cause different ethnicities with their respective cultures can still be found living in the ten cities, it is

expected that each city has a unique sound just as they were in the past. However, the data shows

traffic, construction, and industrial noise dominate each city’s acoustic environment. It shows that, in

general, different urban environments in Indonesia tend to produce uniform perceptions. Yet, there is

reason and hope for reviving the unique sound of the past in the urban area based on the finding in

Yogyakarta, where the favourite public place brings music as dominant as traffic and human activity

noise. This study is a stepping stone for a further study to recreate unique sounds of ten Indonesian

cities in which, later, be referred to by other Indonesian cities.

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5. ACKNOWLEDGEMENTS

The study was funded by the Ministry of Research and Technology/National Research and Inno- vation Agency of the Republic of Indonesia under the scheme of Penelitian Dasar year 2021.

6. REFERENCES

1. -, World Population Review retrieved from https://worldpopulationreview.com/countries/cit- ies/indonesia on Mar 3, 2021.

2. Sunaryo, R. G., Soewarno, N., & Setiawan, B. Posisi Ruang Publik dalam Transformasi Konsepsi Urbanitas Kota Indonesia, Doctoral dissertation Universitas Gadjah Mada, Indonesia. 2010.

3. Ford, L. R. A model of Indonesian city structure. Geographical Review, 374-396 (1993).

https://doi.org/10.2307/215821

4. Martokusumo, W., Poerbo, H. W., Sarwono, J., Sudarsono, A. S., Nitidara, N. P. A., Djimantoro, M. I., Arifiana, A. & Poetry, F. A. Soundcsape and the Understanding of Historic Districts in Bandung. Tataloka, 21(2), 371-380 (2019).

5. Mediastika, C. E., Sudarsono, A. S., & Kristanto, L. Using the Sonic Perception to Improve Public Spaces and Develop a Place Identity. In Cities’ Vocabularies: The Influences and Formations, pp. 97-107. Springer, Cham. (2021). https://doi.org/10.1007/978-3-030-51961-2_7

6. Colombijn, F. Toooot! Vroooom! The urban soundscape in Indonesia. Sojourn: Journal of Social Issues in Southeast Asia, 22(2), 255–272 (2007).

7. Mediastika, C.E., Sudarsono, A. S., Utami, S. S., Fitri, I., Drastiani, R., Winandari, M. I. R., Rahman, A., Kusno, A., Mustika, N. W. M., & Mberu, Y. B. The sound of Indonesian cities.

Proceedings of INTER-NOISE 20, pp 1988-2989. Seoul, Korea, August 2020.

8. Hutchison, R. Ethnicity and urban recreation: Whites, Blacks, and Hispanics in Chicago's public parks. Journal of Leisure Research, 19(3): 205-222 (1987). DOI: 10.1080/00222216.1987.

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9. Norman, G. Likert scales, levels of measurement and the “laws” of statistics. Advances in Health Sciences Education, 15(5), 625-632. (2010). https://doi.org/10.1007/s10459-010-9222-y

10. Malhotra, N. K. Questionnaire design and scale development. The Handbook of Marketing Re- search: Uses, Misuses, and Future Advances, 83-94 (2006).

11. Mean, R., & Tims, C. The social value of public spaces. Joseph Rowntree Foundation, 2005.

12. Carr, S., Stephen, C., Francis, M., Rivlin, L. G., & Stone, A. M. Public space. Cambridge Uni- versity Press, 1992.

13. Mediastika, C. E., Sudarsono, A. S., Kristanto, L., Tanuwidjaja, G., Sunaryo, R. G., & Damayanti, R. Appraising the sonic environment of urban parks using the soundscape dimension of visually impaired people. International Journal of Urban Sciences, 24(2), 216-241 (2020). https://

doi.org/10.1080/12265934.2020.1713863

14. Mediastika, C. E., Sudarsono, A. S., & Kristanto, L. The sound perceptions of urban pavements by sighted and visually impaired people–a case study in Surabaya, Indonesia. Journal of Urban- ism: International Research on Placemaking and Urban Sustainability, 1-24 (2020).

https://doi.org/10.1080/17549175.2020.1834436

15. Mediastika, C. E., Sudarsono, A. S., & Kristanto, L. Indonesian shopping malls: a soundscape appraisal by sighted and visually impaired people. Architectural Engineering and Design Man- agement, 1-20 (2020). https://doi.org/10.1080/17452007.2020.1833829

16. Filipan, K., Boes, M., Oldoni, D., De Coensel, B., & Botteldooren, D. Soundscape quality indi- cators for city parks, the Antwerp case study. Proceedings of Forum Acusticum 2014. Presented at the Forum Acusticum 2014.

17. Mediastika, C. E. Understanding empathic architecture. Journal of Architecture and Urbanism,

40(1), 1-1 (2016). DOI: 10.3846/20297955.2016.1165385

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INTER-NOISE 2021 – Author Index Page 1

Proceedings of INTER-NOISE 2021 Author Index

Select Paper Name (IN21_xxxx.pdf) to Link to Paper

IN21_1708.pdf Aage, Niels

A

IN21_1564.pdf Aalmoes, Roalt IN21_2023.pdf Aalmoes, Roalt IN21_2160.pdf Aalmoes, Roalt IN21_1832.pdf Abe, Kyoko IN21_2687.pdf Abe, Rikako

IN21_2098.pdf Aberkane-Gauthier, Natacha IN21_2375.pdf Abeßer, Jakob

IN21_2154.pdf Aburagi, Yu IN21_2338.pdf Adams, Christian IN21_2342.pdf Adams, Christian IN21_1736.pdf Agerkvist, Finn T.

IN21_2238.pdf Ahn, Byoungha IN21_2851.pdf Ait Oubahou, Rayane IN21_1330.pdf Aizawa, Kai

IN21_2545.pdf Akay, Adnan IN21_2707.pdf Akay, Adnan IN21_2755.pdf Akita, Takeshi IN21_3063.pdf Akkerman, Davi IN21_3169.pdf Akkerman, Davi IN21_2326.pdf Akkermans, R.A.D.

IN21_2493.pdf Alba, Jesús IN21_2495.pdf Alba, Jesús IN21_1689.pdf Albers, Albert IN21_1874.pdf Albers, Albert IN21_2211.pdf Albers, Albert IN21_2501.pdf Albers, Albert IN21_1838.pdf Alcides Ruiz, José IN21_2389.pdf Alexandraki, Chrysoula IN21_2389.pdf Alexandraki, Yannis IN21_3202.pdf Alihan Showkat Ali, Syamir IN21_2417.pdf Alimonti, Luca

IN21_2791.pdf Alimonti, Luca IN21_3044.pdf Alimonti, Luca IN21_1610.pdf Allaei, Daryoush

IN21_1568.pdf Allen, Christopher S.

IN21_2126.pdf Allen, Christopher S.

IN21_2219.pdf Allen, Christopher S.

IN21_2885.pdf Altinsoy, M. Ercan IN21_3252.pdf Altinsoy, M. Ercan IN21_3291.pdf Altinsoy, M. Ercan IN21_1838.pdf Alvarez Ruiz, Yesika

IN21_1767.pdf Álvarez-Jimeno, José María IN21_1925.pdf Alves, Sonia

IN21_3037.pdf Alves Costa, Pedro IN21_2344.pdf Alves Pires, Felipe IN21_3078.pdf Amado-Mendes, Paulo IN21_2555.pdf Amargianitakis, Daniel IN21_2070.pdf Ambaskar, Adwait IN21_2033.pdf Amick, Hal

IN21_2033.pdf Amick, Hal

IN21_2431.pdf Amirkulova, Feruza IN21_2913.pdf Amirkulova, Feruza IN21_2465.pdf An, Byunghun IN21_1626.pdf An, Jeongha IN21_2047.pdf Anachkova, Maja IN21_2128.pdf Anachkova, Maja IN21_3553.pdf Ancela, José

IN21_1648.pdf Andargie, Maedot S.

IN21_2599.pdf Anders, Damian IN21_1708.pdf Andersen, Peter Risby IN21_2056.pdf Andersen, Peter Risby IN21_2385.pdf Andrés, Víctor

IN21_2350.pdf Angelini, Fabio IN21_2507.pdf Aono, H.

IN21_2058.pdf Aquila, Alexander M.

IN21_2589.pdf Arend, Johannes M.

IN21_1136.pdf Ariel Serrano, Federico IN21_2274.pdf Arne, Dijckmans IN21_1580.pdf Asakawa, Masatoshi IN21_1795.pdf Assemien, Modeste IN21_3000.pdf Assink, Jelle

IN21_3086.pdf Assouar, Badreddine

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INTER-NOISE 2021 – Author Index Page 2 IN21_1342.pdf Atanasio-Moraga, Pedro

IN21_2659.pdf Atobe, Satoshi IN21_2663.pdf Atobe, Satoshi

IN21_2361.pdf Ávila Ferreira, Vinícius IN21_2583.pdf Ávila Ferreira, Vinícius IN21_2585.pdf Ávila Ferreira, Vinícius IN21_1136.pdf Ayala Breña, Juan Pablo IN21_3202.pdf Azarpeyvand, Mahdi IN21_2278.pdf Baader, Frank

B

IN21_1136.pdf Bacelar Milhomem, Thiago Antônio

IN21_2221.pdf Bacon, Ian C.

IN21_2619.pdf Bader Eddin, Mohamad IN21_2064.pdf Baese-Berk, Melissa IN21_2060.pdf Bahtiarian, Michael IN21_1380.pdf Bai, Junqiang IN21_1472.pdf Bai, Mingsian R.

IN21_2387.pdf Bakarezos, Makis IN21_2389.pdf Bakarezos, Makis IN21_3069.pdf Baker, Gary IN21_3246.pdf Baker, John IN21_2062.pdf Balant, Anne IN21_2573.pdf Baloshin, Yuri IN21_1656.pdf Bao, Yue IN21_1664.pdf Bao, Yue IN21_2619.pdf Bard, Delphine IN21_2921.pdf Bard, Seth IN21_3510.pdf Barnard, Andrew IN21_1644.pdf Barnard, Andrew R.

IN21_3018.pdf Baron, Valentin

IN21_1342.pdf Barrigón-Morillas, Juan Miguel

IN21_2485.pdf Bartolomaeus, Wolfram IN21_2221.pdf Bates, Trent

IN21_2960.pdf Batista da Cunha, Iara IN21_1612.pdf Bauch, Paul

IN21_1333.pdf Bauer, Michael IN21_1638.pdf Bauer, Michael IN21_3084.pdf Bauerheim, Michaël IN21_1987.pdf Bautista Kuri, Antonio IN21_1987.pdf Bautista Kuri, Antonio IN21_3031.pdf Bayat, Ahmad

IN21_1691.pdf Beamer, Bryan IN21_2174.pdf Becker, Julian

IN21_2217.pdf Bécot, François-Xavier

IN21_1904.pdf Beentjes, Wim IN21_2783.pdf Behere, Ameya IN21_1689.pdf Behrendt, Matthias IN21_1874.pdf Behrendt, Matthias IN21_2211.pdf Behrendt, Matthias IN21_2501.pdf Behrendt, Matthias IN21_1972.pdf Behrens, Tobias IN21_2425.pdf Beiler, Todd

IN21_1342.pdf Bejarano-Quintas, Ana Cristina

IN21_2134.pdf Beltman, Marco IN21_2921.pdf Beltman, Willem IN21_2925.pdf Beltman, Willem IN21_2846.pdf Bendarkar, Mayank IN21_2064.pdf Bent, Tessa

IN21_2027.pdf Bengtsson Ryberg, Johanna IN21_2350.pdf Benocci, Roberto

IN21_2350.pdf Benocci, Roberto IN21_2411.pdf Benocci, Roberto IN21_1925.pdf Berge, Truls IN21_1718.pdf Berge, Truls Svenn IN21_2318.pdf Berkouk, Djihed IN21_2318.pdf Berkouk, Djihed IN21_2203.pdf Bernardini, Giovanni IN21_1826.pdf Beyers, Craig

IN21_2326.pdf Bharadwaj Ananthan, Varun IN21_2541.pdf Bian, Haoyu

IN21_2284.pdf Bian, Jing

IN21_2350.pdf Bisceglie, Alessandro IN21_2411.pdf Bisceglie, Alessandro IN21_2683.pdf Biswas, Samarjith IN21_2310.pdf Blaak, Sandra IN21_2354.pdf Blackmore, Claire IN21_1431.pdf Blokland, Gijsjan van IN21_2877.pdf Blomberg, Leslie IN21_2236.pdf Blotter, Jonathan D.

IN21_2316.pdf Bocher, Erwan IN21_2573.pdf Bogdanov, Andrey IN21_1438.pdf Bokai, DU

IN21_2103.pdf Bolberg, Mads IN21_2575.pdf Bolberg, Mads IN21_1468.pdf Bollard, Paul IN21_2215.pdf Bolton, J. Stuart IN21_2437.pdf Bolton, J. Stuart IN21_2889.pdf Bolton, J. Stuart IN21_3328.pdf Bongwirnso, Umaru IN21_3238.pdf Bonnett, Jonathan IN21_2168.pdf Bonzom, Thomas

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INTER-NOISE 2021 – Author Index Page 3 IN21_2219.pdf Boone, Andrew J.

IN21_2211.pdf Bopp, Manuel IN21_3169.pdf Borin, Marcel IN21_2974.pdf Borzym, Jim IN21_1906.pdf Böswald, Marc IN21_2170.pdf Botteldooren, Dick IN21_2365.pdf Botteldooren, Dick IN21_2318.pdf Boucherit, Samiha IN21_1564.pdf Boullet, Isabelle IN21_2226.pdf Boulter, Nicholas IN21_2314.pdf Boulvert, Jean IN21_2338.pdf Bous, Michelle IN21_1950.pdf Brachmanski, Stefan IN21_2278.pdf Brandstätt, Peter IN21_2543.pdf Braunwart, Paul R.

IN21_1402.pdf Bravo, Teresa IN21_1404.pdf Bravo, Teresa

IN21_1369.pdf Bravo-Plana-Sala, Jose Maria IN21_1777.pdf Bregant, Luigi

IN21_1498.pdf Brenn, Günter IN21_1448.pdf Brereton, Paul IN21_1728.pdf Brereton, Paul IN21_2168.pdf Brocolini, Laurent IN21_3020.pdf Bronfman, Alejandra IN21_2976.pdf Brown, Caroline IN21_1622.pdf Brown, Michael IN21_1781.pdf Brown, Nathan C.

IN21_1781.pdf Broyles, Jonathan IN21_1908.pdf Brunskog, Jonas IN21_2711.pdf Bu, Huanxian IN21_1830.pdf Bühlmann, Erik IN21_1919.pdf Burge, Leah IN21_2242.pdf Burge, Paul

IN21_3008.pdf Burghignoli, Lorenzo IN21_2561.pdf Burkhardt, Martin IN21_2150.pdf Burnett, Ian

IN21_2455.pdf Burroughs, Courtney IN21_2023.pdf Burtea, N.E.

IN21_1614.pdf Cai, Zenong

C

IN21_1624.pdf Cai, Zenong IN21_1624.pdf Cai, Zenong IN21_3171.pdf Cai, Zenong IN21_1904.pdf Campmans, Theo IN21_2581.pdf Campos, Alexis IN21_3114.pdf Cao, Yipeng

IN21_3295.pdf Caparroz, Giovanna Milani IN21_2385.pdf Carballeira, Javier

IN21_2234.pdf Carels, Patrick IN21_1740.pdf Carpentieri, Bruno IN21_1484.pdf Carr, Daniel

IN21_2230.pdf Carrascal Garcia, Teresa IN21_2294.pdf Casaburo, Alessandro IN21_1369.pdf Castiñeira-Ibáñez, Sergio IN21_2314.pdf Cavalieri, Théo

IN21_3008.pdf Centracchio, Francesco IN21_2250.pdf Chae, Ki Sang

IN21_1410.pdf Chang, Daoqing IN21_2094.pdf Chang, Jiho IN21_2964.pdf Chang, Seo Il IN21_1740.pdf Chappell, David IN21_2467.pdf Chaudhari, Parag IN21_1769.pdf Cheer, Jordan IN21_2695.pdf Chen, Bao IN21_11598.pdf Chen, Gong IN21_1382.pdf Chen, Jonathan IN21_2035.pdf Chen, Kean IN21_2793.pdf Chen, Kean IN21_2399.pdf Chen, Keyu IN21_2978.pdf Chen, Peng IN21_11598.pdf Chen, Yaobin IN21_11599.pdf Chen, Yaobin IN21_2156.pdf Chen, Yong IN21_1854.pdf Chen, Yunqi IN21_1921.pdf Cheng, Kit Wing IN21_1560.pdf Cheng, Li IN21_3142.pdf Cheng, Morgan IN21_1650.pdf Cheng, Rui IN21_11598.pdf Cheng, Shuai IN21_3004.pdf Cheng, Zhongjie IN21_1472.pdf Chenghung, Ma, IN21_1958.pdf Cheong, Cheolung IN21_2667.pdf Cheong, Cheolung IN21_2675.pdf Cheong, Cheolung IN21_1921.pdf Cheung, Sau Cheong IN21_2168.pdf Chevret, Patrick IN21_2238.pdf Chin, Simwon IN21_3035.pdf Chmielewski, Bartosz IN21_3146.pdf Cho, Jaemyung IN21_2162.pdf Cho, Kyeong Min IN21_2889.pdf Choi, Won Hong IN21_3188.pdf Chojnacki, Bartlomiej IN21_1921.pdf Chow, Hok Man Joyce IN21_2268.pdf Choy, Yat Sze

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INTER-NOISE 2021 – Author Index Page 4 IN21_1568.pdf Chu, S. Reynold

IN21_2485.pdf Chudalla, Michael IN21_3046.pdf Chung, Youngbeen IN21_2066.pdf Ciaburro, Giuseppe IN21_2577.pdf Ciaburro, Giuseppe IN21_2629.pdf Cioffi, Federico IN21_3008.pdf Cioffi, Ilaria IN21_2100.pdf Claaßen, Eike IN21_2052.pdf Claeys, Claus IN21_2344.pdf Claeys, Claus

IN21_2485.pdf Clairbois, Jean-Pierre IN21_2425.pdf Clausen, Devin IN21_2543.pdf Clavette, Patrick L.

IN21_1880.pdf Conaway, Michael IN21_2637.pdf Conceição, Eusebio IN21_2641.pdf Conceição, Eusebio IN21_2637.pdf Conceição, Mª Ines IN21_2641.pdf Conceição, Mª Inês IN21_2411.pdf Confalonieri, Chiara IN21_2302.pdf Conter, Marco IN21_2383.pdf Conter, Marco IN21_2485.pdf Conter, Marco IN21_2052.pdf Cool, Vanessa IN21_3181.pdf Copeland, Timothy IN21_2236.pdf Copley, David C.

IN21_2671.pdf Cordes, Patrick

IN21_2791.pdf Cordioli, Júlio Apolinário IN21_2925.pdf Cordourier, Hector IN21_2655.pdf Corral, Luis

IN21_2076.pdf Costa Baptista, Josué IN21_3295.pdf Coutinho, Laís de Gusmão IN21_2242.pdf Cowan, Jim

IN21_2274.pdf Crispin, Charlotte IN21_2917.pdf Cudequest, Brandon IN21_2403.pdf Cunningham, Paul IN21_2423.pdf Curley, Josh IN21_3238.pdf Cuschieri, Carmel IN21_3238.pdf Cuschieri, Joseph M.

IN21_1908.pdf Cutanda Henriquez, Vicente IN21_2056.pdf Cutanda Henriquez, Vicente IN21_2759.pdf Cutanda Henriquez, Vicente IN21_1708.pdf Cutanda Henríquez, Vicente IN21_1834.pdf Cutini, Valerio

IN21_3304.pdf Czech, Joseph

IN21_2557.pdf D’Andrea Fonseca, William

D

IN21_2824.pdf da Silva Wunderlich, Priscila IN21_1384.pdf Dagenais, Christian

IN21_1777.pdf D'Agostin, Flavia IN21_3116.pdf Daiguji, Hirofumi IN21_1769.pdf Daley, Stephen IN21_2629.pdf Dan, Minori IN21_1115.pdf dance, stephen IN21_1848.pdf Dance, Stephen IN21_1568.pdf Dandaroy, Indranil

IN21_2956.pdf D'Andrea Fonseca, William IN21_2219.pdf Danielson, Richard W.

IN21_2397.pdf Dare, Tyler IN21_2215.pdf Dasyam, Amrutha IN21_1484.pdf Davies, Patricia

IN21_2563.pdf d'Avila Villela, Ricardo Luís IN21_1826.pdf Davis, Dave

IN21_2365.pdf De Coensel, Bert IN21_3000.pdf de Graaff, Erik IN21_2826.pdf de Haan, Henk IN21_2789.pdf de la Prida, Daniel

IN21_2344.pdf de Melo Filho, Noé Geraldo Rocha

IN21_2583.pdf de Moraes, Edison Claro IN21_2463.pdf de Niet, A.C.

IN21_2294.pdf De Rosa, Sergio IN21_2274.pdf Debby, Wuyts IN21_2052.pdf Deckers, Elke IN21_2344.pdf Deckers, Elke IN21_1564.pdf Dedieu, Romain IN21_1917.pdf Dehner, Rick IN21_1330.pdf DeJong, Richard IN21_2280.pdf Dekoninck, Luc

IN21_3010.pdf Del Pizzo, Lara Ginevra IN21_2495.pdf del Rey, Romina IN21_3186.pdf Deleforge, Antoine IN21_2344.pdf Denayer, Hervé IN21_3000.pdf den Ouden, Olivier IN21_3289.pdf Deng, GuoMing IN21_3472.pdf Deng, GuoMing IN21_3986.pdf Deng, GuoMing IN21_1632.pdf Deng, Jie IN21_1801.pdf Deng, Jie IN21_1654.pdf Deng, Zhiyong IN21_2385.pdf Denia, Francisco IN21_3332.pdf Denisov, Stanislav IN21_2052.pdf Desmet, Wim IN21_2344.pdf Desmet, Wim

IN21_2074.pdf Dessi-Olive, Jonathan

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INTER-NOISE 2021 – Author Index Page 5 IN21_2521.pdf Deü, Jean-François

IN21_3144.pdf Deukha, Kim

IN21_1991.pdf Di Loreto, Samantha IN21_2109.pdf Di Marco, Federico IN21_2322.pdf Dickman, Jameson IN21_2595.pdf Didier, Madeline IN21_1444.pdf Didier, Paul IN21_2118.pdf Didier, Paul IN21_2120.pdf Didier, Paul

IN21_2463.pdf Dijkgraaf, Gerrit Jan IN21_3186.pdf Dilungana, Stéphane IN21_2387.pdf Dimitriou, Vasilis IN21_2389.pdf Dimitriou, Vasilis IN21_1962.pdf Ding, Li

IN21_2256.pdf Dirks, Kim IN21_2019.pdf Dittrich, Michael IN21_1950.pdf Dobrucki, Andrzej IN21_2256.pdf Dodd, George IN21_2617.pdf Dodd, George IN21_2617.pdf Dodd, George

IN21_2047.pdf Domazetovska, Simona IN21_2128.pdf Domazetovska, Simona IN21_1783.pdf Donavan, Paul

IN21_2611.pdf Donavan, Paul IN21_1644.pdf Dong, Wayland IN21_2549.pdf Dong, Wayland IN21_2553.pdf Dong, Wayland IN21_2796.pdf Dong, Wayland IN21_2377.pdf Donmez, Ata IN21_1568.pdf Dornak, Jeffrey IN21_2907.pdf Doroff, Stephen IN21_2657.pdf Dos Santos, José M.C.

IN21_1775.pdf Dos Santos, José Maria Campos

IN21_3232.pdf dos Santos, Vânia Raposo de Moura

IN21_1775.pdf Dos Santos, Victor Gustavo Ramos Costa

IN21_2334.pdf Doutres, Olivier IN21_3302.pdf Doyle, Sean IN21_3261.pdf Drastiani, Rizka IN21_1742.pdf Dreier, Christian IN21_2180.pdf Drossel, Welf-Guntram IN21_2561.pdf Drossel, Welf-Guntram IN21_2599.pdf Drossel, Welf-Guntram IN21_1442.pdf Du, Bokai

IN21_2186.pdf Dumortier, Florent IN21_2334.pdf Dupont, Thomas

IN21_2569.pdf Dupont, Thomas IN21_2820.pdf Duraiswami, Ramani IN21_1125.pdf Duvigneau, Fabian IN21_2515.pdf Düzova, İpek IN21_3304.pdf Eagan, Mary Ellen

E

IN21_2256.pdf Edlin, Shaun IN21_1612.pdf Eichelberger, Curtis IN21_2045.pdf Eissfeldt, Hinnerk IN21_2228.pdf Ekholm, Ola IN21_2703.pdf Elmehdi, Hussein IN21_2725.pdf Elmehdi, Hussein IN21_3124.pdf Emoto, Hiromitsu IN21_2045.pdf End, Albert IN21_2405.pdf Eng, Andrew IN21_3116.pdf Enomoto, Shunji IN21_2015.pdf Erdoğu, İlayda IN21_2288.pdf Ernst, Daniel

IN21_1925.pdf Ertsey-Bayer, Maximilian IN21_2176.pdf Escudero, Juan

IN21_1882.pdf Etchessahar, Manuel IN21_1874.pdf Etri, Marc

IN21_1892.pdf Evans, Jack B IN21_2134.pdf Ewers, Megan IN21_2621.pdf Fackler, Cameron J.

F

IN21_3186.pdf Faisan, Sylvain IN21_2324.pdf Fan, Yi

IN21_2138.pdf Fang, Xingyue IN21_2182.pdf Fang, Yi IN21_2509.pdf Fang, Yi IN21_2695.pdf Fattah, Ryu IN21_2340.pdf Faulkner, Jon Paul IN21_2956.pdf Fazi, Filippo Maria IN21_2777.pdf Felcyn, Jan

IN21_1446.pdf Fellah, Zine El Abiddine IN21_2789.pdf Fels, Janina

IN21_2354.pdf Fenech, Benjamin IN21_1956.pdf Fenemore, Chiaki IN21_1852.pdf Feng, Jianxiong IN21_2445.pdf Fengler, Bárbara

IN21_1864.pdf Fernandez Grande, Efren IN21_3095.pdf Fernandez-Grande, Efren IN21_2565.pdf Feszty, Daniel

(25)

INTER-NOISE 2021 – Author Index Page 6 IN21_2844.pdf Feszty, Daniel

IN21_2869.pdf Feszty, Daniel IN21_2869.pdf Feszty, Dániel

IN21_2415.pdf Ficat-Andrieu, Vincent IN21_3118.pdf Fiebig, Andre

IN21_2365.pdf Filipan, Karlo

IN21_2840.pdf Filippoupolitis, Marios IN21_2049.pdf Fischer, Martin IN21_2403.pdf Fisher, Steve IN21_3261.pdf Fitri, Isnen IN21_2551.pdf Fleming, Gregg IN21_2899.pdf Fleming, Gregg IN21_2911.pdf Fleming, Gregg IN21_2111.pdf Flodén, Ola IN21_1498.pdf Floss, Sebastian IN21_2489.pdf Floss, Sebastian IN21_2282.pdf Flückiger, Benjamin IN21_2359.pdf Forssén, Jens IN21_2316.pdf Fortin, Nicolas IN21_3186.pdf Foy, Cédric IN21_2190.pdf Francek, Peter IN21_2294.pdf Franco, Francesco IN21_2184.pdf Fredette, Luke IN21_1414.pdf Freidhager, Clemens IN21_2304.pdf Freitas, Elisabete IN21_2021.pdf Frescura, Alessia IN21_2599.pdf Freund, Markus IN21_2320.pdf Fu, Yangyang IN21_2302.pdf Fuchs, Andreas IN21_2383.pdf Fuchs, Andreas IN21_2485.pdf Fuchs, Andreas IN21_2176.pdf Fuentes, Héctor IN21_2507.pdf Fujii, K.

IN21_2919.pdf Fujise, Akiko IN21_1668.pdf Fujita, Etsushi IN21_3130.pdf Fukuda, Taiki IN21_1578.pdf Fukui, Tomoya IN21_2958.pdf Fullerton, Jeff IN21_1578.pdf Furukawa, Masato IN21_2314.pdf Gabard, Gwénaël

G

IN21_3027.pdf Gaborit, Mathieu IN21_2846.pdf Gabrielian, Ana IN21_1384.pdf Gagnon, Sylvain IN21_1614.pdf Gai, Xiaoling IN21_1624.pdf Gai, Xiaoling

IN21_2615.pdf Gameiro da Silva, Manuel Carlos

IN21_1824.pdf Gan, Woon-Seng IN21_2004.pdf Gan, Woon-Seng IN21_2084.pdf Gan, Woon-Seng IN21_2086.pdf Gan, Woon-Seng IN21_2865.pdf Gandhi, Umesh IN21_2138.pdf Gao, Tian IN21_2485.pdf Garai, Massimo IN21_2306.pdf Garbi, Jordi Romeu IN21_2733.pdf García Tomás, María José IN21_2417.pdf Gardner, Bryce

IN21_2791.pdf Gardner, Bryce

IN21_2056.pdf Garza-Agudelo, Diana Maria IN21_1618.pdf Gatt, Monika

IN21_2124.pdf Gautam, G. S. J.

IN21_2047.pdf Gavriloski, Viktor IN21_2128.pdf Gavriloski, Viktor IN21_3228.pdf Gelain, Felipe IN21_3031.pdf Georgalis, Michael IN21_1435.pdf Gerlach, André IN21_1630.pdf Germes, Sylvain IN21_2308.pdf Geyer, Thomas IN21_2879.pdf Ghaisas, Nikhil IN21_2567.pdf Ghinet, Sebastian IN21_2569.pdf Ghinet, Sebastian IN21_2130.pdf Ghosh, Arindam IN21_1878.pdf Gianoli Kovar, Pablo IN21_2205.pdf Gill, Christian IN21_2865.pdf Gilmore, Paul IN21_1644.pdf Girdhar, Sunit IN21_1296.pdf Gjestland, Truls IN21_1767.pdf Glesser, Martin IN21_1458.pdf Glover, Jennifer IN21_2221.pdf Goates, Caleb B.

IN21_3037.pdf Godinho, Luís IN21_3078.pdf Godinho, Luís

IN21_2338.pdf Goedicke-Firtz, Sybelle IN21_1876.pdf Goetz, Joshua

IN21_1689.pdf Gohlke, Tobias IN21_3080.pdf GÖK, Umut Murat IN21_2796.pdf Golden, Matthew IN21_2637.pdf Gomes, João

IN21_3084.pdf Gonçalves Pinto, Wagner IN21_2354.pdf Gong, Xiangpu

IN21_2903.pdf Gontier, Mathieu IN21_2581.pdf Gonzáles Padilla, Pablo IN21_1878.pdf Gonzalez, Alice Elizabeth

(26)

INTER-NOISE 2021 – Author Index Page 7 IN21_3027.pdf Göransson, Peter

IN21_1775.pdf Goto, Adriano Mitsuo IN21_2701.pdf Goto, Kanji

IN21_2262.pdf Goto, Kosuke IN21_1799.pdf Götz, Joshua IN21_1431.pdf Goubert, Luc

IN21_2373.pdf Gourishetti, Saichand IN21_2375.pdf Gourishetti, Saichand IN21_2567.pdf Grewa, Anant

IN21_2569.pdf Grewal, Anant IN21_2314.pdf Groby, Jean-Philippe IN21_2375.pdf Grollmisch, Sascha IN21_1997.pdf Großarth, Stephan IN21_2589.pdf Großarth, Stephan IN21_3138.pdf Gu, Kyunglae IN21_1614.pdf Guan, Xiwen IN21_1624.pdf Guan, Xiwen IN21_1632.pdf Guasch, Oriol IN21_1801.pdf Guasch, Oriol

IN21_1136.pdf Guevara Chuquillanqui, Giancarlos Miguel IN21_2354.pdf Gulliver, John IN21_2820.pdf Gumerov, Nail IN21_2643.pdf Gunda, Rajendra IN21_2182.pdf Guo, Jingwen IN21_2324.pdf Guo, Jingwen IN21_1962.pdf Guo, Shaowei IN21_2359.pdf Gustafson, Andreas IN21_1642.pdf Gwosch, Thomas

IN21_2359.pdf Haeger-Eugensson, Marie

H

IN21_2409.pdf Hale, Steve IN21_2804.pdf Halim, Dunant IN21_2806.pdf Halim, Dunant IN21_1002.pdf Hambric, Stephen IN21_1380.pdf Han, Xiao

IN21_1803.pdf Han, Youkyung IN21_2449.pdf Han, Youkyung IN21_1136.pdf Hanes, Peter IN21_2354.pdf Hansell, Anna IN21_2842.pdf Hansman, R. John IN21_3197.pdf Hao, Ryan

IN21_11598.pdf Hao, Yiya IN21_11599.pdf Hao, Yiya IN21_1582.pdf Hara, Takafumi IN21_2439.pdf Harada, Kazunori

IN21_2659.pdf Harada, Kazunori IN21_2663.pdf Harada, Kazunori IN21_2952.pdf Harada, Kazunori IN21_2952.pdf Harada, Kazunori IN21_1751.pdf Harada, Yuna IN21_1860.pdf Harianto, Jonny IN21_2399.pdf Hartwig, Marcus IN21_2647.pdf Harusawa, Koki IN21_2647.pdf Hasegawa, Hideyuki IN21_3048.pdf Hasegawa, Yoshimi IN21_2487.pdf Hashimoto, Takeo IN21_2487.pdf Hatano, Shigeko IN21_1900.pdf Hayashi, Mikako IN21_1960.pdf He, Lei

IN21_2124.pdf He, Song IN21_1656.pdf He, Tian IN21_1664.pdf He, Tian IN21_1706.pdf He, Tian IN21_2144.pdf He, Wen IN21_1129.pdf He, Wei IN21_2140.pdf He, Xiaodong IN21_2851.pdf He, Zixin

IN21_1414.pdf Heinisch, Martin IN21_2027.pdf Heisterkamp, Fabian IN21_2899.pdf Hellweg, Robert IN21_2911.pdf Hellweg, Robert D.

IN21_2308.pdf Henke, Anna-Sophia IN21_1718.pdf Henriksen, Viggo IN21_1925.pdf Henriksen, Viggo IN21_2557.pdf Henrique Mareze, Paulo IN21_2561.pdf Hensel, Eric

IN21_1868.pdf Herreman, Kevin IN21_1870.pdf Herreman, Kevin IN21_3035.pdf Herrero-Durá, Iván IN21_2871.pdf Herrin, David IN21_2879.pdf Herrin, David IN21_3246.pdf Herrin, David IN21_2023.pdf Heyes, G.

IN21_1722.pdf Heyes, Graeme

IN21_2909.pdf Hifzhuddin, Asadulloh Julda IN21_1668.pdf Higashioka, Taichi

IN21_3302.pdf Hileman, James IN21_2791.pdf Hinz, Mathias IN21_2148.pdf Hioka, Yusuke IN21_2256.pdf Hioka, Yusuke IN21_2457.pdf Hioka, Yusuke IN21_2457.pdf Hioka, Yusuke IN21_2617.pdf Hioka, Yusuke

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INTER-NOISE 2021 – Author Index Page 8 IN21_2439.pdf Hiraguri, Yasuhiro

IN21_2659.pdf Hiraguri, Yasuhiro IN21_2663.pdf Hiraguri, Yasuhiro IN21_2952.pdf Hiraguri, Yasuhiro IN21_2972.pdf Hiraguri, Yasuhiro IN21_3128.pdf Hiraguri, Yasuhiro IN21_2088.pdf Hirakawa, Susumu IN21_2298.pdf Hirakawa, Susumu IN21_2693.pdf Hirakawa, Susumu IN21_2298.pdf Hiramitsu, Atsuo IN21_2693.pdf Hiramitsu, Atsuo IN21_2647.pdf Hiroe, Masaaki IN21_3136.pdf Ho, Wilson IN21_3142.pdf Ho, Wilson IN21_2621.pdf Hoeft, Michael IN21_2342.pdf Hoffmann, Norbert IN21_3134.pdf Hoh, Jeongkyu IN21_2956.pdf Hollebon, Jacob IN21_1640.pdf Holm, Sebastian IN21_3063.pdf Holtz, Marcos IN21_2543.pdf Homma, Kenji IN21_1803.pdf Hong, Dongwoo IN21_2084.pdf Hong, Jooyoung IN21_1860.pdf Hong, Sa Man IN21_1438.pdf Hong, Xi IN21_1290.pdf hongxing, Hua IN21_2088.pdf Hopkins, Carl IN21_2840.pdf Hopkins, Carl

IN21_2338.pdf Hornberger, Franziska IN21_1132.pdf Horst Andrade, Fernanda IN21_2190.pdf Horvat, Marko

IN21_3328.pdf Hossam Eldien, Hany IN21_2727.pdf Hou, Zhichao

IN21_2074.pdf Hsu, Timothy IN21_1472.pdf Hsu, Yi-Cheng IN21_1384.pdf Hu, Lin IN21_2549.pdf Hu, Lin IN21_2156.pdf Hu, Zhengmin IN21_1416.pdf Hua, Hongxing IN21_1807.pdf Hua, Hongxing IN21_2140.pdf Hua, Hongxing IN21_1787.pdf Huang, Dennis IN21_2529.pdf Huang, Lixi IN21_3112.pdf Huang, Shichun IN21_1416.pdf Huang, Xiuchang IN21_1807.pdf Huang, Xiuchang IN21_2140.pdf Huang, Xiuchang IN21_2140.pdf Huang, Xiuchang

IN21_2513.pdf Huang, Yu IN21_2180.pdf Hübelt, Jörn IN21_2705.pdf Huh, Hyunsuk IN21_2148.pdf Hui, C. T. Justine IN21_2256.pdf Hui, Justine IN21_1763.pdf Huisman, Marco IN21_2391.pdf Hunt, Bradlay IN21_2250.pdf Hwangf, Moonju IN21_2066.pdf Iannace, Gino

I

IN21_2577.pdf Iannace, Gino IN21_1564.pdf Iemma, Umberto IN21_2203.pdf Iemma, Umberto IN21_2207.pdf Iemma, Umberto IN21_3008.pdf Iemma, Umberto IN21_1696.pdf Ih, Jeong-Guon IN21_1898.pdf Ih, Jeong-Guon IN21_2497.pdf Iizuka, Kenta IN21_2679.pdf Iizumi, Genki IN21_2757.pdf Ikeda, Yusuke IN21_2439.pdf Ikemi, Itsuki IN21_1968.pdf Imamori, Kanta IN21_2597.pdf Inalpolat, Murat IN21_2601.pdf Inalpolat, Murat IN21_2605.pdf Inalpolat, Murat IN21_2609.pdf Inalpolat, Murat IN21_2647.pdf Inamura, Yumi IN21_1797.pdf Inoue, Atsuto IN21_3332.pdf Ipatov, Maxim

IN21_2258.pdf Irsalan, Arif Muhammad IN21_3116.pdf Ishii, Tatsuya

IN21_2154.pdf Ishimitsu, Shunsuke IN21_1580.pdf Ishizuka, Eri

IN21_2497.pdf Isobe, Takunari IN21_2006.pdf Itou, Shin IN21_1749.pdf Iwai, Kenta IN21_1751.pdf Iwai, Kenta IN21_1753.pdf Iwai, Kenta IN21_1755.pdf Iwai, Kenta IN21_3158.pdf Iwamoto, Shun IN21_3210.pdf Jacobs, Eric

J

IN21_3169.pdf Jacomussi, Leonardo IN21_2027.pdf Jacques, Jean

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INTER-NOISE 2021 – Author Index Page 9 IN21_2352.pdf Jagniatinskis, Alexandras

IN21_3224.pdf Jagodinski, James IN21_2761.pdf Jakovljević, Branko IN21_2190.pdf Jambrosic, Kristian IN21_1783.pdf Janello, Carrie IN21_2162.pdf Jang, Yeongtae IN21_3054.pdf Jardim, Cecilia IN21_2595.pdf Jarta, Gina IN21_2290.pdf Jeon, Jin Yong IN21_2988.pdf Jeon, Jin Yong IN21_2990.pdf Jeon, Jin Yong IN21_3134.pdf Jeon, Jonghoon IN21_3138.pdf Jeon, Jonghoon IN21_1785.pdf Jeon, Ju Hyun IN21_3144.pdf Jeon, Seongwook IN21_2056.pdf Jeong, Cheol-Ho IN21_2575.pdf Jeong, Cheol-Ho IN21_1958.pdf Jeong, Hongseok IN21_2523.pdf Jeong, Jeongho IN21_2531.pdf Jeong, Jeongho IN21_2021.pdf Jeong, Jeong-Ho IN21_2023.pdf Jeram, S.

IN21_1620.pdf Jiang, Bo

IN21_1702.pdf Jiang, Congshuang IN21_3258.pdf Jiang, Huitian IN21_1898.pdf jiang, laixu IN21_2907.pdf Jiang, Ruijie IN21_3289.pdf Jiang, TengLong IN21_3472.pdf Jiang, TengLong IN21_2491.pdf Jiang, Weikang IN21_3112.pdf Jiang, Weikang IN21_3148.pdf Jiang, Xishan IN21_1035.pdf Jiang, Xudong IN21_1037.pdf Jiang, Xudong

IN21_1767.pdf Jiménez-Caminero, Daniel IN21_3472.pdf Jin, Chang

IN21_2284.pdf Jing, Xingjian IN2

Gambar

Figure 1. The location of ten Indonesian cities where responses of the questionnaire were collected
Table 1. The questionnaire
Table 3. Demographic data (N=596)
Table 2. Distribution of participants (N=596)
+3

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