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Journal articles on the topic 'Room acoustics'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Neidhardt, Annika, Christian Schneiderwind, and Florian Klein. "Perceptual Matching of Room Acoustics for Auditory Augmented Reality in Small Rooms - Literature Review and Theoretical Framework." Trends in Hearing 26 (January 2022): 233121652210929. http://dx.doi.org/10.1177/23312165221092919.

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For the realization of auditory augmented reality (AAR), it is important that the room acoustical properties of the virtual elements are perceived in agreement with the acoustics of the actual environment. This perceptual matching of room acoustics is the subject reviewed in this paper. Realizations of AAR that fulfill the listeners’ expectations were achieved based on pre-characterization of the room acoustics, for example, by measuring acoustic impulse responses or creating detailed room models for acoustic simulations. For future applications, the goal is to realize an online adaptation in

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2

Ellison, Steve, Pierre Germain, and Roger Schwenke. "Making a room ready and ensuring success for active acoustics systems." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A169. http://dx.doi.org/10.1121/10.0023160.

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Active Acoustics systems can be thought of as reducing the effective absorption of a room and/or increasing its effective volume and depend upon well-designed acoustic treatment and room shaping. Because Active Acoustics systems cannot reduce HVAC noise or improve isolation, these associated acoustical properties depend on the room’s acoustical design. Therefore, a successful Active Acoustic system installation relies on coordination with the acoustical consultant, from conceptual design to scheduling initial rehearsals with the various performance groups that utilize the room. Installation ex

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3

Masih, Dawa A. A., Nawzad K. Jalal, Manar N. A. Mohammed, and Sulaiman A. Mustafa. "The Assessment of Acoustical Characteristics for Recent Mosque Buildings in Erbil City of Iraq." ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 9, no. 1 (2021): 51–66. http://dx.doi.org/10.14500/aro.10784.

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The study of mosque acoustics, concerning acoustical features, sound quality for speech intelligibility, and additional practical acoustic criteria, is commonly overlooked. Acoustic quality is vital to the fundamental use of mosques, in terms of contributing toward prayers and worshippers’ appreciation. This paper undertakes a comparative analysis of the acoustic quality level and the acoustical characteristics for two modern mosque buildings constructed in Erbil city. This work investigates and examines the acoustical quality and performance of these two mosques and their prayer halls through

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4

Postma, Barteld N. J., and Brian F. G. Katz. "An archaeoacoustic study on shape: the case study of the Iffland Theatre’s history (1802–1817)." Acta Acustica 7 (2023): 54. http://dx.doi.org/10.1051/aacus/2023046.

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Previous studies have discussed six pre-Sabine quantifiable guidelines employed in room acoustic design: voice directivity, audience rake, “echo theory”, stage acoustics, reverberation, and length, width, and height ratios. Around the turn of the 18th century, these notions led to two shapes that were theoretically regarded optimal for rooms with acoustical demands: ellipse and semi-circle. The first of these shapes to be tested was the ellipse in the design for the Iffland Theatre (1802–1817). As the resulting acoustics were notoriously poor, contemporary architects and acousticians discussed

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Zhang, Zhichao, and Guangzheng Yu. "Influence of sound source directivity on finite element simulation of small-room acoustics." Journal of the Acoustical Society of America 152, no. 4 (2022): A42. http://dx.doi.org/10.1121/10.0015479.

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Numerical simulation is a flexible and effective method for room acoustic design. Full-range simulation of room acoustics requires a combination of different numerical methods, in which wave acoustic methods (WAM) and geometric acoustic methods (GAM) are used for the low and high frequency region, respectively. In the general low-frequency WAM simulation, a sound source is often assumed to be a point source or loudspeakers are usually approximated by circular planar pistons. However, compared to a large room, the critical frequency between WAM and GAM should be higher in acoustic simulation of

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Gee, Kent L., Micah Shepherd, Brian E. Anderson, Tracianne B. Neilsen, Matthew S. Allen, and Jonathan D. Blotter. "Graduate acoustics at Brigham Young University." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A253. http://dx.doi.org/10.1121/10.0027403.

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Graduate studies in acoustics at BYU prepare students for industry, research, and academia by complementing in-depth coursework with publishable research. Coursework provides students with a foundation in acoustical principles, practices and measurement skills, including a experimental techniques and technical writing. Labs across the curriculum cover calibration, directivity, scattering, absorption, laser Doppler vibrometry, experimental methods for dynamic structures, lumped-element mechanical systems, equivalent circuit modeling, arrays, filters, room acoustics, active noise control, and ne

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7

Benmaghsoula, Hammou Zohra. "THE NUMERICAL SIMULATION SUPPORT TOOL FOR THE ASSESSMENT OF THE ACOUSTIC QUALITY OF WORSHIP SPACES." NUMERICAL SIMULATION SUPPORT TOOL FOR THE ASSESSMENT OF THE ACOUSTIC QUALITY OF WORSHIP SPACES 6, February (2016): 1–20. https://doi.org/10.5281/zenodo.3698540.

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<strong>ABSTRACT</strong> Because of its religious and social function, the mosque is a place of exchange and knowledge transfer of this knowledge, through the preaching of the imams in the form of speeches and reading the Qur'an during prayer. The mosques are therefore examples of public institutions where it is necessary ensure acoustic comfort, in order to obtain a good quality of listening. The mosque is also considered a building that has specific features associated with room acoustics, by its function as a place of listening; this characteristic has a direct impact on the design cho

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8

Meyer-Kahlen, Nils, Sebastian J. Schlecht, and Tapio Lokki. "Clearly audible room acoustical differences may not reveal where you are in a room." Journal of the Acoustical Society of America 152, no. 2 (2022): 877–87. http://dx.doi.org/10.1121/10.0013364.

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A common aim in virtual reality room acoustics simulation is accurate listener position dependent rendering. However, it is unclear whether a mismatch between the acoustics and visual representation of a room influences the experience or is even noticeable. Here, we ask if listeners without any special experience in echolocation are able to identify their position in a room based on the acoustics alone. In a first test, direct comparison between acoustic recordings from the different positions in the room revealed clearly audible differences, which subjects described with various acoustic attr

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9

King, Richard, Wieslaw Woszczyk, and Michail Oikonomidis. "Enhancement of virtual acoustics rendering using boundary mounted dipole loudspeakers." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A177. http://dx.doi.org/10.1121/10.0027228.

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The Immersive Media Lab at McGill University hosts a Virtual Acoustics Technology (VAT) system incorporating a suspended array of omnidirectional loudspeakers. Using a convolution reverb engine, acoustic simulations of real spaces can be realized via a catalog of Room Impulse Response measurements. Reflected sound in the room helps to disguise the location of the sound emitters rendering virtual acoustics. One limitation of the system, however, is the interference between the lab’s natural acoustics and the virtual environment generated by the VAT system. The improvement under consideration is

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Algargoosh, Alaa, and Nikhil Singh. "Using machine learning to reconstruct room geometry from an impulse response." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A263. http://dx.doi.org/10.1121/10.0018790.

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Machine learning in room acoustics is an emerging field with great potential yet to be explored. Previous research includes predicting acoustic properties such as the impulse response from visual features that include an image of a room. However, one application that can significantly transform the architectural acoustics design process is reconstructing the room geometry based on its acoustic properties. This paper explores applying machine learning in predicting room geometry from an impulse response. The research aims to provide a tool for architects to design a room based on the desired ac

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Woszczyk, Wieslaw. "Active Acoustics in Concert Halls - A New Approach." Archives of Acoustics 36, no. 2 (2011): 379–93. http://dx.doi.org/10.2478/v10168-011-0028-6.

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Abstract Active acoustics offers potential benefits in music halls having acoustical short-comings and is a relatively inexpensive alternative to physical modifications of the enclosures. One critical benefit of active architecture is the controlled variability of acoustics. Although many improvements have been made over the last 60 years in the quality and usability of active acoustics, some problems still persist and the acceptance of this technology is advancing cautiously. McGill's Virtual Acoustic Technology (VAT) offers new solutions in the key areas of performance by focusing on the ele

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12

Yoshida, Takumi, Takeshi Okuzono, and Kimihiro Sakagami. "Binaural Auralization of Room Acoustics with a Highly Scalable Wave-Based Acoustics Simulation." Applied Sciences 13, no. 5 (2023): 2832. http://dx.doi.org/10.3390/app13052832.

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This paper presents a proposal of an efficient binaural room-acoustics auralization method, an essential goal of room-acoustics modeling. The method uses a massively parallel wave-based room-acoustics solver based on a dispersion-optimized explicit time-domain finite element method (TD-FEM). The binaural room-acoustics auralization uses a hybrid technique of first-order Ambisonics (FOA) and head-related transfer functions. Ambisonics encoding uses room impulse responses computed by a parallel wave-based room-acoustics solver that can model sound absorbers with complex-valued surface impedance.

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13

Allen, Matthew S., Brian E. Anderson, Jonathan D. Blotter, et al. "Graduate acoustics at Brigham Young University." Journal of the Acoustical Society of America 152, no. 4 (2022): A122. http://dx.doi.org/10.1121/10.0015753.

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Graduate studies in acoustics at Brigham Young University prepare students for industry, research, and academia by complementing in-depth coursework with publishable research. Coursework provides a solid foundation in core acoustical principles and practices and measurement skills, including a strong foundation in experimental techniques and technical writing. Labs across the curriculum cover calibration, directivity, scattering, absorption, laser Doppler vibrometry, experimental methods for dynamic structures, lumped-element mechanical systems, equivalent circuit modeling, arrays, filters, ro

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14

Okazawa, Kazuha, Takeshi Okuzono, and Takumi Yoshida. "An auditory virtual reality of meeting room acoustics using wave-based acoustic simulations: A content for intuitive understanding of room-acoustics control effect by sound absorbers." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 2 (2023): 6328–35. http://dx.doi.org/10.3397/in_2023_0934.

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Recently, wave-based room acoustic simulation technologies are becoming a realistic option as a small-room acoustics design tool and a virtual indoor sound environment creation tool for research and education. The present paper shows an auditory VR meeting room content, which makes us easily understand how sound absorbers play an essential role in creating a better acoustic environment. Unity creates the 3D virtual reality model, and a binaural room-acoustic auralization is realized by a hybrid technique combined with Ambisonics and the head-related transfer function using RIRs computed by a h

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15

Berg, Frederick S., James C. Blair, and Peggy V. Benson. "Classroom Acoustics." Language, Speech, and Hearing Services in Schools 27, no. 1 (1996): 16–20. http://dx.doi.org/10.1044/0161-1461.2701.16.

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Classroom acoustics are generally overlooked in American education. Noise, echoes, reverberation, and room modes typically interfere with the ability of listeners to understand speech. The effect of all of these acoustical parameters on teaching and learning in school needs to be researched more fully. Research has shown that these acoustical problems are commonplace in new as well as older schools, and when carried to an extreme, can greatly affect a child's ability to understand what is said (Barton, 1989; Blair, 1990; Crandell, 1991; Finitzo, 1988). The precise reason for overlooking these

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Zhu, Liying, Junjuan Zhao, Xianhui Li, et al. "Design and simulation of acoustics for the home theatre." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 4 (2021): 2052–57. http://dx.doi.org/10.3397/in-2021-2039.

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As a typical acoustics room, the sound quality of home theatre is an important standard to evaluate its design. Qualified acoustics design is the guarantee of good sound quality. The volume of home theatre is generally small, so the room size is similar to the low-frequency wavelength. Then the resonance will occur when the excitation of the sound source frequency acts on the natural resonance frequency of the room. At the same time, the secondary reflection of the room also interferes the direct sound emitted by the speaker, thus destroying the sound image. In order to solve the above problem

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17

Thompson, David. "Room Acoustics." Journal of Sound and Vibration 413 (January 2018): 482–83. http://dx.doi.org/10.1016/j.jsv.2017.10.019.

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18

Lam, Y. W. "Room acoustics." Applied Acoustics 35, no. 4 (1992): 333–34. http://dx.doi.org/10.1016/0003-682x(92)90060-6.

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19

Schütze, Julia, Christoph Kirsch, Birger Kollmeier, and Stephan D. Ewert. "Comparison of speech intelligibility in a real and virtual living room using loudspeaker and headphone presentations." Acta Acustica 9 (2025): 6. https://doi.org/10.1051/aacus/2024068.

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Virtual acoustics enables hearing research and audiology in ecologically relevant and realistic acoustic environments, while offering experimental control and reproducibility of classical psychoacoustics and speech intelligibility tests. Hereby, indoor environments are highly relevant, where listening and speech communication frequently involve multiple targets and interferers, as well as connected adjacent spaces that may create challenging acoustics. Hence, a controllable laboratory environment is evaluated here (by room acoustical parameters and speech intelligibility) which closely resembl

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20

D'Antonio, Peter, and Rinaldi P. Petrolli. "Non-cuboid iterative room optimizer." Journal of the Acoustical Society of America 152, no. 4 (2022): A105. http://dx.doi.org/10.1121/10.0015694.

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The growing processing power of desktop and distributed cloud cluster computing is playing a larger role providing computational architectural acoustic solutions. This presentation will provide a status update on the Non-cuboid Iterative Room Optimization software called NIRO. It offers an iterative approach to full bandwidth optimization of critical listening rooms. The program uses a finite element method (FEM), image source model (ISM), and non-dominating sorting genetic algorithm (NSGA) to simultaneously optimize the room geometry of any shaped room, including boundary admittances, for any

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Woolworth, David S. "Architectural acoustics: Buildings and beyond." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A28. http://dx.doi.org/10.1121/10.0026671.

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Architectural acoustics not only covers buildings and the environment around them but also human perception of the acoustic environment, indoors and outdoors. As a technical committee of the acoustical society, our members are spread over research, academia, practitioners and industry. Architectural acoustics is not reserved for concert halls and opera houses but applies to all occupied spaces and has a direct impact on quality of life of any user of the space. Specific topics within the discipline include but are not limited to environmental sound, speech privacy, and speech intelligibility,

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SALMON, François, Charles VERRON, Cédric CAMIER, and Marina MALGRANGE. "Adaptation and evaluation of Pyroomacoustics for auralization purposes." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 6 (2024): 5906–17. http://dx.doi.org/10.3397/in_2024_3660.

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An open-source room simulation software that relies on geometrical acoustics - Pyroomacoustics - was used to compute Binaural Room Impulse Responses (BRIRs) of existing rooms that are modeled in the Benchmark for Room Acoustical Simulation (BRAS). Modifications were made to the software to investigate the impact of the scattering model on the acoustic parameter values. A comparison with the acoustic parameter measurements showed that the values of EDT, C80 and D50 were found to be closer when using the Vector-Mixing method in comparison with the original scattering method. Overall, the alterna

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Bellows, Samuel D., and Timothy W. Leishman. "An investigation of rooms with reflection-free zones using finite-difference methods in curvilinear coordinates." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A109. http://dx.doi.org/10.1121/10.0018331.

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Small-room acoustical designers have applied the concept of early reflection-free zones (RFZs) to recording studio control rooms and other critical listening environments. The rooms' unique shapes and treatments create listening regions with minimal early reflections to improve audio monitoring. One standard tool for studying room acoustics is the finite-difference(FD) method. However, it typically uses regular Cartesian grids, which lead to stair-casing discretization effects for arbitrarily shaped boundaries, including those of the RFZ room. This work presents how FD methods in curvilinear c

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Iannace, Gino, Ilaria Lombardi, Ernesto Scarano, and Amelia Trematerra. "Discover the Acoustics of Vanvitelli Architecture in the Royal Palace of Caserta." Heritage 8, no. 4 (2025): 142. https://doi.org/10.3390/heritage8040142.

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In this paper, the acoustic characteristics of the most important rooms of the Royal Palace of Caserta are presented. The palace, built in the XVIII century as a residence for the King of Naples, consists of numerous rooms dedicated to court life. The acoustic properties of the rooms have been studied according to ISO 3382. For each room, the average values of reverberation time (T30), clarity (C80), definition (D50), and Speech Transmission Index (STI) are reported. The acoustic issues of the rooms are highlighted as the understanding of acoustics during the period in which the palace was con

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Vorländer, Michael. "Virtual Acoustics." Archives of Acoustics 39, no. 3 (2015): 307–18. http://dx.doi.org/10.2478/aoa-2014-0036.

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Abstract Virtual Reality (VR) systems are used in engineering, architecture, design and in applications of biomedical research. The component of acoustics in such VR systems enables the creation of audio-visual stimuli for applications in room acoustics, building acoustics, automotive acoustics, environmental noise control, machinery noise control, and hearing research. The basis is an appropriate acoustic simulation and auralization technique together with signal processing tools. Auralization is based on time-domain modelling of the components of sound source characterization, sound propagat

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Woszczyk, Wieslaw, Doyuen Ko, and Brett Leonard. "Virtual Acoustics at the Service of Music Performance and Recording." Archives of Acoustics 37, no. 1 (2012): 109–13. http://dx.doi.org/10.2478/v10168-012-0015-6.

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Abstract Virtual or active acoustics refers to the generation of a simulated room response by means of electroacoustics and digital signal processing. An artificial room response may include sound reflections and reverberation as well as other acoustic features mimicking the actual room. They will cause the listener to have an impression of being immersed in virtual acoustics of another simulated room that coexists with the actual physical room. Using low-latency broadband multi-channel convolution and carefully measured room data, optimized transducers for rendering of sound fields, and an in

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Knöfel, Björn, Paula van Brummelen, Tobias Behrens, and Hartmut Schirmer. "Does the wall sound different? Variable acoustics in rehearsal rooms using small resonator structures in an acoustic panel." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 5 (2021): 1867–78. http://dx.doi.org/10.3397/in-2021-1972.

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As the name already states, multipurpose rooms are often used from various people for different intentions like meetings or musical practicing. One example are musical rehearsal rooms, where the acoustic specifications have to meet the requirements of musicians playing different instrument groups. To meet the desire for variable acoustics in a rehearsal room, musicians often like to adjust the room to there personal preferences, what is mostly done by adjusting the frequency dependent room decay curve (T60). Hence, a variable acoustic panel has been developed which consists of several small ad

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okcu, selen. "Realism analysis of synthesized healthcare sound environments." Journal of the Acoustical Society of America 152, no. 4 (2022): A182. http://dx.doi.org/10.1121/10.0015965.

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The acoustic qualities of healthcare sound environments can have significant influences on care providers’ ability to conduct critical sound tasks. Healthcare professionals constantly listen to the aural cues (e.g., alarms) and make critical decisions based on them. This study aims to assess the reliability of an open-source acoustical simulation tool in rendering healthcare providers’ auditory experience to enable the development of effective healthcare sound environments. The Pachyderm is developed as an open-source acoustical modeling and simulation plug-in for the Rhinoceros 3D-modeling pl

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Way, Evelyn. "Evaluating the reverberation chamber as a small room: How room dimensions affect the generalization of testing results." Journal of the Acoustical Society of America 152, no. 4 (2022): A42. http://dx.doi.org/10.1121/10.0015476.

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Testing acoustic properties is performed in specially designed reverberation chambers according to relevant ASTM, ISO, and other international standards. Performing this testing is complicated by the fact that practical considerations limit the size of the reverberation rooms. Where the dimensions of the room are similar in size to the wavelength of the frequency of interest, modal behavior becomes dominant, and the statistical analysis of room acoustics based on the diffuse sound field theory is not sufficient to characterize the sound field. However, standard methods implement formulas which

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Woszczyk, Wieslaw, Aybar Aydin, and Ying-Ying Zhang. "Virtual Acoustics, better than the real thing? Considering the creative side." Journal of the Acoustical Society of America 152, no. 4 (2022): A181. http://dx.doi.org/10.1121/10.0015962.

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Once room acoustical reflections data are extracted from a physical space or a model, and are encapsulated in a 3D impulse response, they can be used to render immersive sound fields in real time. A range of possibilities then opens for creative use of acoustics in music. A skilled virtual acoustics designer-engineer may rebalance digital signals representing the room response to situate player and listener on the stage or at the back of the auditorium, may modify and arrange temporal segments to re-imagine the aural dimensions of the space, and apply gain and directional placement to shape th

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Farid, Dalal, Amina Naidja, Khalid Zaouia, and Yasser Nassim Benzagouta. "Reflectors Impact on Acoustic Correction of the Conference Hall at El Khalifa Cultural Center in Constantine." Prostor 33, no. 1(69) (2025): 160–69. https://doi.org/10.31522/p.33.1(69).12.

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In Algeria, the field of acoustics has garnered limited attention from researchers, predominantly focusing on physical acoustics. Architectural acoustics, which deals with controlling auditory comfort and listening criteria within buildings, remains largely underexplored. The acoustic quality of spaces is a significant concern for physicists, architects, and researchers alike. The application of architectural acoustics in public spaces, such as conference rooms, greatly enhances the exchange of oral information and supports learning processes that require intensive verbal communication. This r

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Nowoświat, Artur, and Marcelina Olechowska. "Experimental Validation of the Model of Reverberation Time Prediction in a Room." Buildings 12, no. 3 (2022): 347. http://dx.doi.org/10.3390/buildings12030347.

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It is well known that the uncertainty of input data has a great influence on the accuracy of room acoustics simulations. The aforementioned accuracy is significantly influenced by the selection of the acoustic properties of room-delimiting materials. Moreover, simulation errors are attributed to the fact that rooms can be very irregular and sound diffusion can be uneven, and thus sound absorption can be unevenly distributed over the surfaces. Therefore, a very important element is the validation of the simulation model of interior acoustics, even when we use ready-made software dedicated to in

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Kawata, Makito, Mariko Tsuruta-Hamamura, and Hiroshi Hasegawa. "Influence of Test Room Acoustics on Non-Native Listeners’ Standardized Test Performance." Acoustics 5, no. 4 (2023): 1161–79. http://dx.doi.org/10.3390/acoustics5040066.

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Understanding the impact of room acoustics on non-native listeners is crucial, particularly in standardized English as a foreign language (EFL) proficiency testing environments. This study aims to elucidate how acoustics influence test scores, considering variables overlooked in prior research such as seat position and baseline language proficiency. In this experiment, 42 Japanese university students’ performance on standardized EFL listening tests was assessed in two rooms with distinct acoustic qualities, as determined by the speech transmission index (STI) and reverberation time (RT). The r

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Grazioli, Gianluca, and Andrea Gozzi. "Simulation of acoustical parameters of churches in a virtual acoustics laboratory." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A176. http://dx.doi.org/10.1121/10.0027224.

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Current ISO standards for acoustical assessment limit the use of traditional mono-dimensional microphones for measuring equipment. However, microphone arrays offer more accurate spatial information compared to traditional microphones. This presents an opportunity to enhance research on architectural acoustics and preserve the acoustics of cultural heritage more effectively. Furthermore, modern recording studios equipped with virtual acoustics systems allow for the integration of spatial room impulse responses. This enables real-time auralization in controlled environments and enhances the over

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Sari, Laina Hilma, and Zulfian Zulfian. "An Assessment of Room Acoustics Performance of Baiturrahman Grand Mosque." Elkawnie 6, no. 1 (2020): 24. http://dx.doi.org/10.22373/ekw.v6i1.5420.

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Abstract : Acoustical design as part of the audio comfort influences the architectural design strategy of a mosque significantly. As belonging to the speech room criteria, a mosque should meet some acoustic room requirements to deliver the solemnness to the worshipper during the prayer. Concerning this, the study aims to assess the indoor acoustics performance of Baiturrahman Grand Mosque, Banda Aceh. Baiturrahman grand mosque is an important place of worship for Acehnese and becoming a landmark of Banda Aceh City. The mosque which contains a lot of history of Aceh was built in heavy construct

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Jeong, D. U., and F. R. Fricke. "A Preliminary Investigation of the Perceived Smallest Sound Duration Change in a Room." Building Acoustics 4, no. 3 (1997): 197–209. http://dx.doi.org/10.1177/1351010x9700400303.

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The present work aims at producing a test, similar to a speech intelligibility test, which can be used to rate the acoustic quality of rooms for music. Listeners' perceptions of the duration of sounds were investigated in an attempt to find a useful indicator of the acoustics of a room for music and speech. The research design was based on a discrimination task and a 2AFC experimental procedure. Two experiments were carried out in which two acoustic variables, reverberation time and background noise level, were varied and listeners' smallest perceivable sound duration changes were measured. It

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Baran, Mihai-Vlad, Richard King, and Wieslaw Woszczyk. "A general overview of methods for generating room impulse responses." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A282. http://dx.doi.org/10.1121/10.0027512.

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The utilization of room impulse responses has proven valuable for both the acoustic assessment of indoor environments and music production. Various techniques have been devised over time to capture these responses. Although algorithmic solutions have been in existence since the 1970 s for generating synthetic reverberation in real time , they continue to be computationally demanding and in general lack the accuracy in comparison to measured authentic Room Impulse Responses (RIR). In recent times, machine learning has found application in diverse fields, including acoustics, leading to the deve

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Gerstoft, Peter, Michael J. Bianco, Ryan A. McCarthy, and Neil Zhang. "Tutorial on machine learning for acoustics." Journal of the Acoustical Society of America 156, no. 4_Supplement (2024): A78. https://doi.org/10.1121/10.0035175.

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Acoustic data provide scientific and engineering insights in fields ranging from biology and communications to ocean and Earth science. We survey the recent advances and transformative potential of machine learning (ML), including deep learning, in the field of acoustics. ML is a broad family of techniques, which are often based in statistics, for automatically detecting and utilizing patterns in data. We have ML examples from ocean acoustics, room acoustics, and personalized spatial audio. For room acoustics, we take room impulse responses (RIR) generation as an example application. For perso

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Autio, Hanna, Mathias Barbagallo, Carolina Ask, Delphine Bard Hagberg, Eva Lindqvist Sandgren, and Karin Strinnholm Lagergren. "Historically Based Room Acoustic Analysis and Auralization of a Church in the 1470s." Applied Sciences 11, no. 4 (2021): 1586. http://dx.doi.org/10.3390/app11041586.

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Worship space acoustics have been established as an important part of a nation’s cultural heritage and area of acoustic research, but more research is needed regarding the region of northern Europe. This paper describes the historical acoustics of an important abbey church in Sweden in the 1470s. A digital historical reconstruction is developed. Liturgical material specific to this location is recorded and auralized within the digital reconstruction, and a room acoustic analysis is performed. The analysis is guided by liturgical practices in the church and the monastic order connected to it. I

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Trubakoff, Jordan, Samuel Hord, Mike Dickerson, Robert Pearson, Francisco Irarrazabal, and Rachel Edelman. "Outdoor Concert Hotel Acoustics." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 266, no. 1 (2023): 1075–80. http://dx.doi.org/10.3397/nc_2023_0131.

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VAI Resort, situated across the street from the site of Super Bowl LVII, presents a number of acoustical challenges, not the least of which is a world-class, 360-degree outdoor performance venue. Performers will blast an 8-storey hotel located 250 ft away with music of all types, which audiences will enjoy from the balconies of their hotel rooms. The challenge of modeling such a venue comes in simplifying it down to manageable pieces. Does a balcony with a hotel room behind it behave like a Helmholtz resonator? How do the acoustics change if 90% of the balconies are open to the hotel rooms bey

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Postma, Barteld N. J., Evan Green, Eckhard Kahle, and Brian F. G. Katz. "Pre-Sabine Room Acoustic Guidelines on Audience Rake, Stage Acoustics, and Dimension Ratios." Acoustics 3, no. 2 (2021): 235–51. http://dx.doi.org/10.3390/acoustics3020017.

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Prior to Sabine’s work on the Fogg Art Museum and Boston Symphony Hall, several numerical guidelines had been developed and applied to the design of rooms with specific acoustic demands such as theatres, concert halls, and opera houses. Previous papers have discussed guidelines based on the following principles: voice directivity, which was employed in the design of at least 11 rooms; “echo theory”, which quantifies the perception threshold between direct sound and first order reflections in order to prevent echoes from occurring, aiding in the design of at least 7 rooms and leading to the fir

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Okuzono, Takeshi, M. Shadi Mohamed, and Kimihiro Sakagami. "Potential of Room Acoustic Solver with Plane-Wave Enriched Finite Element Method." Applied Sciences 10, no. 6 (2020): 1969. http://dx.doi.org/10.3390/app10061969.

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Predicting room acoustics using wave-based numerical methods has attracted great attention in recent years. Nevertheless, wave-based predictions are generally computationally expensive for room acoustics simulations because of the large dimensions of architectural spaces, the wide audible frequency ranges, the complex boundary conditions, and inherent error properties of numerical methods. Therefore, development of an efficient wave-based room acoustic solver with smaller computational resources is extremely important for practical applications. This paper describes a preliminary study aimed a

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Llorca-Bofí, Josep, Ernest Redondo, and Michael Vorländer. "Learning Room Acoustics by Design: A Project-Based Experience." International Journal of Engineering Education 35, no. 1B (2019): 417–23. https://doi.org/10.5281/zenodo.2579130.

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Optimizing room acoustics teaching for architects and building engineers is an unfinished business. Moreover, theoretical explanations about acoustic concepts hardly support the understanding of basic concepts of acoustics on these students.A basic BLA (Bipolar Laddering Assessment) experiment is presented with students showing that an active learning method can be accepted by them more easily when ‘‘sonification’’ is included in the course. This process, which converts data into non-speech audio to make acoustic concepts audible, is suggested as a possible solution for

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Thilakan, Jithin, Balamurali B T, Otavio Colella Gomes, Jer-Ming Chen, and Malte Kob. "Exploring the role of room acoustic environments in the perception of musical blending." Journal of the Acoustical Society of America 157, no. 2 (2025): 738–54. https://doi.org/10.1121/10.0035563.

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Assessing blending of instruments is important in music performance and perception research, but remains underexplored due to its complex multi-dimensional nature. Despite extensive research on source-level blending, the influence of room acoustics on this process is rarely examined. This study proposes a computational modelling approach to evaluate the perceived overall blending between instruments examining the blending at the source-level and its alteration brought by room acoustics. Three audio stimuli, each showcasing different degrees of source-level blending between two violins, were au

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Orzolek, Douglas C., and Shelley A. Blilie. "Teaching Room Acoustics." Physics Teacher 60, no. 7 (2022): 554–56. http://dx.doi.org/10.1119/5.0038523.

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Like many other universities, Musical Acoustics is offered at our school as a lab-based course fulfilling general science requirements for non-majors. The course has been team-taught by a physics professor and music professor since its earliest inception and, by far, the most popular unit explores room acoustics through a variety of activities and experiences. The purpose of this article is to share the ways we engage students in the process of learning the conceptual elements related to room acoustics.

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Hartmann, William M., Brad Rakerd, and Ryan A. Cook. "Binaural room acoustics." Journal of the Acoustical Society of America 130, no. 4 (2011): 2352. http://dx.doi.org/10.1121/1.3654418.

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Herbert, R. Kring. "Teleconference room acoustics." Journal of the Acoustical Society of America 86, S1 (1989): S55. http://dx.doi.org/10.1121/1.2027560.

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Yoshida, Takumi, Yasutaka Ueda, Norimasa Mori, and Yumi Matano. "An experimental study on acoustical performance of cross rib diffuser." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 2 (2021): 4538–45. http://dx.doi.org/10.3397/in-2021-2731.

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The preset paper proposes a novel acoustic diffuser which we call cross rib diffuser (CRD) and investigates its acoustical performance in rooms experimentally. CRD consists of overlapping two one-dimensional periodic rib diffuser (OPRD) with different structural configurations. CRD can achieve high scattering coefficient with wider frequency band than OPRD. Moreover, unlike other diffusers with high scattering property such as metadiffuser and two-dimensional quadratic diffuser, CRD keeps simple and familiar design of OPRD suitable for use in various architectural spaces. In the paper, we firs

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Pätynen, Jukka, and Tapio Lokki. "Evaluation of Concert Hall Auralization with Virtual Symphony Orchestra." Building Acoustics 18, no. 3-4 (2011): 349–66. http://dx.doi.org/10.1260/1351-010x.18.3-4.349.

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Authenticity of the simulation of room acoustics is evaluated by comparing auralizations with real recordings. Impulse responses are recorded in two concert halls with 34 loudspeakers positioned on the stage in the shape of an orchestra and a 3D microphone probe for spatial reproduction. The acoustics of the same concert halls are simulated with acoustics modeling software. B-format impulse responses are calculated by using the identical source and receiver positions as in the real halls. Additionally, two processing methods are applied to the simulated responses in order to decrease the diffe

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Oyekola, Peter, William Rogers, James Fedorka, et al. "Evaluation and optimization of acoustics of a multipurpose room to improve speech intelligibility." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 264, no. 1 (2022): 695–704. http://dx.doi.org/10.3397/nc-2022-800.

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The work presented in this paper was conducted as part of a student project in a senior course on Noise Control at Tennessee Tech. The project involved improving the acoustics of the multipurpose room in the university student center. There were repeated concerns regarding the poor acoustics conditions related with speech and intelligibility caused by excessive reverberations in the room. In order to solve this issue, an examination of the complete sound field in the room including reverberation time have been investigated with the aim of proposing solutions to improve the acoustics for future

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