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Dissertations / Theses on the topic 'Room acoustic'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Liddy, David W. Holmes John F. "Acoustic room de-reverberation using time-reversal acoustics /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA374579.

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Thesis (M.S. in Applied Physics) Naval Postgraduate School, September 1999.<br>"September 1999". Thesis advisor(s):, Andrés Larraza, Bruce C. Denardo. Includes bibliographical references (p. 49). Also available online.

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Liddy, David W., and John F. Holmes. "Acoustic room de-reverberation using time-reversal acoustics." Thesis, Monterey, California: Naval Postgraduate School, 1999. http://hdl.handle.net/10945/13698.

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This thesis probes the performance of one-channel time-reversal acoustics in a chamber in terms of the geometry of the cavity. In particular, a rectangular chamber is compared to an enclosure that has a stadium shape. The mode structure in the rectangular cavity is highly symmetric, while it is highly irregular in the stadium-shaped cavity. Time- reversal acoustic techniques produce an improved focus in the latter. The focusing quality is determined as a function of frequency, time-reversal window size, and spatial extent. A scheme for encrypted acoustic communication, both in air and underwat

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Smurzynski, Jacek. "Acoustic Foundations of Signal Enhancement and Room Acoustics." Digital Commons @ East Tennessee State University, 2007. https://www.amzn.com/1597565628.

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Book Summary: Chermak and Musiek's two-volume, award-winning handbooks are back in newly revised editions. Extensively revised and expanded, Volume II provides expanded coverage of rehabilitative and professional issues, detailing intervention strategies for children and adults. Volume I provides comprehensive coverage of the auditory neuroscience and clinical science needed to accurately diagnose the range of developmental and acquired central auditory processing disorders in children, adults, and older adults. Building on the excellence achieved with the best-selling 1st editions which earne

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Gardner, William G. "The virtual acoustic room." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/66351.

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Oxnard, Stephen. "Efficient hybrid virtual room acoustic modelling." Thesis, University of York, 2016. http://etheses.whiterose.ac.uk/17459/.

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This thesis investigates approaches to virtual room acoustic modelling and auralisation in order to a develop hybrid modelling solution that is capable of efficient and accurate simulation of enclosed sound propagation. Emphasis is placed on the advantages and disadvantages of state of the art numerical and geometric acoustic modelling methods. Numerical methods have been shown to preserve important sound wave characteristics such as diffraction and room modes, and are considered more accurate for low frequency acoustic modelling than geometric techniques which fail to preserve such wave effec

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Durany, Vendrell Jaume. "Geometrical room acoustics: ray based simulation for room acoustics." Doctoral thesis, Universitat Pompeu Fabra, 2016. http://hdl.handle.net/10803/395190.

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L’acústica de sales és la ciència encarregada d’estudiar la propagació del so en entorns tancats. La informació acústica de qualsevol entorn, coneguda com la resposta impulsional, s’expressa en termes del camp acústic com una funció de l’espai i el temps. La formulació analítica de la distribució de les variables del so és, en general, extremadament complexa d’obtenir i només existeixen solucions d’escenaris molt simples i irreals. Per tant, l’ús d’ordinadors per solucionar aquest tipus de problemes ha emergit com una alternativa adequada per calular funcions de resposta. En aquesta Te

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Gundersen, Erlend Inge. "Room Acoustic Conditions for Audio and Video Conferencing." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18841.

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A video conferencing situation combines the acoustical properties of two rooms. As the talker is located in a one room, the sound reaching the listener in an other room will be colored by the acoustical characteristics of both of them. This thesis aims to survey the current conditions in a selection of video conferencing rooms, by investigating several room acoustic parameters involving background noise, re- verberation time, speech clarity and speech intelligibility. Convolution of recorded impulse responses enables the rooms to be combined, and the combined results to be evaluated. The evalu

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Hargreaves, T. J. "Acoustic diffusion and scattering coefficients for room surfaces." Thesis, University of Salford, 2000. http://usir.salford.ac.uk/14819/.

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This project concerns quantifying the diffuseness of sound reflections from surfaces by means of a diffusion coefficient. Afthough it is now acknowledged that diffuse reflections are important in determining sound fields within rooms, no standardised diffusion coefficient currently exists. Definition of a universal coefficient would permit comparison of different surfaces and aid the understanding of diffusion. It would also benefit diffuser designers and room acoustic computer modellers. Previously proposed diffusion parameters for room surfaces are investigated and new ones developed. One ap

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Doy, Nicola. "Characterising room temperature ionic liquids with acoustic wave devices." Thesis, Nottingham Trent University, 2010. http://irep.ntu.ac.uk/id/eprint/107/.

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Data for the physical properties of Room Temperature Ionic Liquids (RTILs) as a function of chemical composition is limited due to the expense and difficulty of producing large volumes of pure samples for characterization. RTILs comprise solely of ions and are liquid at room temperature. These are becoming of increasing interest for an extensive range of applications. This thesis looks at developing small scale characterization processes to find low cost and efficient methods for processing smaller sample volumes. Quartz crystal impedance analysis has been used to assess whether room temperatu

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Escolano, Carrasco José. "Contributions to discrete-time methods for room acoustic simulation." Doctoral thesis, Universitat Politècnica de València, 2010. http://hdl.handle.net/10251/8309.

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The sound field distribution in a room is the consequence of the acoustic properties of radiating sources and the position, geometry and absorbing characteristics of the surrounding boundaries in an enclosure (boundary conditions). Despite there existing a consolidated acoustic wave theory, it is very difficult, nearly impossible, to find an analytical expression of the sound variables distribution in a real room, as a function of time and position. This scenario represents as an inhomogeneous boundary value problem, where the complexity of source properties and boundary conditions make that p

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Ciani, Francesco Saverio. "Design and acoustic characterization of a new listening room." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7067/.

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Il presente lavoro tratta la progettazione e caratterizzazione di una nuova "listening room" ad acustica controllata partendo dai requisiti dettati dalle norme tecniche ITU-R BS 1116-1 e EBU/UER Tech. doc. 3276. Ad oggi è presente un'ampia letteratura, che tratta approcci per valutazione acustica delle sale di ascolto. Essa inizialmente era volta a trovare proporzioni ideali tra le dimensioni della camera, poi la ricerca si è spostata sull'elaborazione di modelli previsionali. Purtroppo tali metodi spesso non riescono a garantire le prestazioni desiderate, mentre le prove sperimentali dett

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Campos, Antonio Guilherme Rocha. "Three-dimensional digital waveguide mesh modelling for room acoustic simulation." Thesis, University of York, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423754.

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Kendrick, Paul. "Blind estimation of room acoustic parameters from speech and music signals." Thesis, University of Salford, 2009. http://usir.salford.ac.uk/15820/.

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The acoustic character of a space is often quantified using objective room acoustic parameters. The measurement of these parameters is difficult in occupied conditions and thus measurements are usually performed when the space is un-occupied. This is despite the knowledge that occupancy can impact significantly on the measured parameter value. Within this thesis new methods are developed by which naturalistic signals such as speech and music can be used to perform acoustic parameter measurement. Adoption of naturalistic signals enables passive measurement during orchestral performances and spo

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van, Mourik J. "Higher-order finite difference time domain algorithms for room acoustic modelling." Thesis, University of York, 2016. http://etheses.whiterose.ac.uk/15661/.

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The acoustic qualities of indoor spaces are fundamental to the intelligibility of speech, the quality of musical performances, and perceived noise levels. Computationally heavy wave-based acoustic modelling algorithms have gained momentum in the field of room acoustic modelling, as ever-increasing computational power makes their use more feasible. Most notably the Finite Difference Time Domain (FDTD) method is often employed for rendering the low- and mid-frequency part of room impulse responses (RIRs). However, this algorithm has known disadvantages, most prominently dispersion error, which r

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Xu, Buye. "Generalized Acoustic Energy Density and Its Applications." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2339.

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The properties of acoustic kinetic energy density and total energy density of sound fields in lightly damped enclosures have been explored thoroughly in the literature. Their increased spatial uniformity makes them more favorable measurement quantities for various applications than acoustic potential energy density (or squared pressure), which is most often used. In this dissertation, a new acoustic energy quantity, the generalized acoustic energy density (GED), will be introduced. It is defined by introducing weighting factors, α and 1 − α, in the formulation of total acoustic energy density.

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Aspöck, Lukas [Verfasser], Michael [Akademischer Betreuer] Vorländer, and Stefan [Akademischer Betreuer] Weinzierl. "Validation of room acoustic simulation models / Lukas Aspöck ; Michael Vorländer, Stefan Weinzierl." Aachen : Universitätsbibliothek der RWTH Aachen, 2020. http://d-nb.info/1226303846/34.

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Li, Francis Feng. "Extracting room acoustic parameters from received speech signals using artificial neural networks." Thesis, University of Salford, 2002. http://usir.salford.ac.uk/42990/.

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Quantitative room acoustics over a century has accumulated a knowledge base centred around objective acoustic parameters. Realistic and accurate measurements are essential in room acoustics. Occupied measurements are difficult to undertake with current technology, yet it is well established that occupancy changes acoustics. For this reason, new measurement techniques are sought. This thesis concerns anew, machine learning based approach for measuring room acoustic parameters, which is particularly useful for occupied in-situ measurements. A set of artificial neural networks, associated pre-pro

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Spa, Carvajal Carlos. "Time-domain numerical methods in room acoustics simulations." Doctoral thesis, Universitat Pompeu Fabra, 2009. http://hdl.handle.net/10803/7565.

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L'acústica de sales s'encarrega de l'estudi del comportament de les ones sonores en espais tancats.La informació acústica de qualsevol entorn, coneguda com la resposta impulsional, pot ser expressada en termes del camp acústic com una funció de l'espai i el temps. En general, és impossible obtenir solucions analítiques de funcions resposta en habitacions reals. Per tant, en aquests últims anys, l'ús d'ordinadors per resoldre aquest tipus de problemes ha emergit com una solució adecuada per calcular respostes impulsionals.<br/>En aquesta Tesi hem centrat el nostre anàlisis en els mètodes basat

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SHTREPI, LOUENA. "Measurement traceability of sound scattering coefficient of diffusive surfaces used in room acoustics and virtual acoustical environments." Doctoral thesis, Politecnico di Torino, 2015. http://hdl.handle.net/11583/2608163.

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The best concert halls take benefit not only from the basic room shape but also from the corrugations of the walls. These diffusive surfaces are responsible for energy mixing, energy extraction from geometrical paths, for filling gaps and increasing reflections density in the impulse response. Hence, performance spaces are characterized by a complex sound field, due to the presence of absorptive and diffusive surfaces. The acoustic properties of these surfaces are characterized based on laboratory standardized measurements. Despite this, no sufficiently satisfactory databases exist. Thus, acou

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Johansson, Anders. "Acoustic Sound Source Localisation and Tracking : in Indoor Environments." Doctoral thesis, Blekinge Tekniska Högskola [bth.se], School of Engineering - Dept. of Signal Processing, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00401.

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With advances in micro-electronic complexity and fabrication, sophisticated algorithms for source localisation and tracking can now be deployed in cost sensitive appliances for both consumer and commercial markets. As a result, such algorithms are becoming ubiquitous elements of contemporary communication, robotics and surveillance systems. Two of the main requirements of acoustic localisation and tracking algorithms are robustness to acoustic disturbances (to maximise localisation accuracy), and low computational complexity (to minimise power-dissipation and cost of hardware components). The

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Buenafe, Mistén Louise. "Sound - Sense - Space: Might sound affect our experience of a room?" Thesis, Malmö högskola, Fakulteten för kultur och samhälle (KS), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-21463.

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Syfte: Rapportens syfte är att kartlägga om upplevelsen av ett rum kan förändras beroende på om och vilka ljud som spelas upp i rummet.Metod: I samband med en ljudinstallation på Plattan vid Malmö Högskola har rörelsemönster och beteende för Plattans besökare observerats. Dessutom har flera besökare besvarat en enkät.Resultat: Inga eventuella förändringar i rörelsemönstret eller beteendet för Plattans besökare kan ses som en konsekvens av ljudinstallationen. Det finns inte heller någon skillnad i enkätsvaren beroende på installationen. Slutsats: Resultatet ses som en konsekvens av bristfälliga

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Zagala, Franck. "Simplified Acoustic Simulations and Virtual Acoustics : Contributions to Virtual Navigation for the Visually Impaired." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS254.

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Cette thèse s'inscrit dans projet RASPUTIN et s'intéresse au développement, à l'évaluation et à l'utilisation d'outils de simulation pour la réalité virtuelle acoustique dans le but d'aider les déficients visuels à préparer des navigations dans des lieux non-familiers. Alors que plusieurs outils d'assistance tels que des dispositifs de substitution sensorielle permettent de fournir des informations spatiales lors de navigations, une approche alternative consiste à concevoir un moteur de simulation et d'auralisation de l'acoustique d'un lieu en temps réel que les déficients visuels pourraient u

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Aretz, Marc [Verfasser]. "Combined wave and ray based room acoustic simulations of small rooms : challenges and limitations on the way to realistic simulation results / Marc Aretz." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2012. http://d-nb.info/1029471134/34.

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Guski, Martin Verfasser], Michael [Akademischer Betreuer] [Vorländer, and Dirk [Akademischer Betreuer] Heberling. "Influences of external error sources on measurements of room acoustic parameters / Martin Guski ; Michael Vorländer, Dirk Heberling." Aachen : Universitätsbibliothek der RWTH Aachen, 2015. http://d-nb.info/1129875687/34.

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Guski, Martin [Verfasser], Michael [Akademischer Betreuer] Vorländer, and Dirk [Akademischer Betreuer] Heberling. "Influences of external error sources on measurements of room acoustic parameters / Martin Guski ; Michael Vorländer, Dirk Heberling." Aachen : Universitätsbibliothek der RWTH Aachen, 2015. http://nbn-resolving.de/urn:nbn:de:hbz:82-rwth-2015-073370.

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Al-Azem, R. A. M. "Evaluation of mine roof stability by microseismic/acoustic meter and detection of concealed caverns beneath room and pillar mine workings by the gravity method." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.232910.

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Whiting, Jennifer Kay. "Development of a Real-Time Auralization System for Assessment of Vocal Effort in Virtual-Acoustic Environments." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7056.

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This thesis describes the development of the real-time convolution system (RTCS) for a little-studied talker/listener in virtual acoustic environments. We include descriptions of the high-resolution directivity measurements of human speech, the RTCS system components, the measurement and characterization of oral-binaural room impulse responses (OBRIRs) for a variety of acoustic environments, and the compensation filter necessary for its validity. In addition to incorporating the high-resolution directivity measurements, this RTCS improved on that developed by Cabrera et al. [1] through the der

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Santos, Marta Antão Rodrigues dos. "Qualidade acústica de escolas de música do Algarve: análise e proposta de medidas de melhoria." Master's thesis, Universidade de Évora, 2014. http://hdl.handle.net/10174/11823.

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As salas de aula para prática musical são locais em que a exigência de conforto acústico é essencial, permitindo assim, garantir uma boa sonoridade e perceção de todas as gamas sonoras emitidas pelos instrumentos musicais. Este trabalho visa a avaliação acústica de salas de aula de oito escolas de música do Algarve (Academia de Música de Lagos, Conservatório de Portimão Joly Braga Santos, Conservatório de Música de Lagoa, Conservatório de Música de Albufeira, Conservatório Regional do Algarve Maria Campina, Conservatório de Música de Olhão, Academia de Música de Tavira e Conservatório Regional

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Goetze, Stefan [Verfasser]. "On the Combination of Systems for Listening-Room Compensation and Acoustic Echo Cancellation in Hands-Free Teleconference Systems / Stefan Goetze." Aachen : Shaker, 2014. http://d-nb.info/1060623382/34.

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Hudjetz, Stefan. "Experimental investigation of heat exchange between thermal mass and room environments." Thesis, De Montfort University, 2012. http://hdl.handle.net/2086/9021.

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The different technologies of passive cooling concepts have to rely on a good thermal coupling between a building's thermal mass and indoor air. In many cases, the ceiling is the only surface remaining for a good coupling. Further research is necessary to investigate discrepancies between existing correlations. Therefore, the overall aim of the work described in this thesis is the investigation of heat transfer at a heated ceiling in an experimental chamber. Acoustic baffles obstruct the surface of the ceiling and impede heat transfer. However, there is nearly no published data about the effec

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Brum, Cristhian Moreira. "SIMULAÇÃO ACÚSTICA DE SALAS DE AULA EM ESCOLAS DE EDUCAÇÃO BÁSICA: UMA PROPOSTA TIPOLÓGICA PARA PRÁTICA MUSICAL." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/7813.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The study of room acoustics is linked to the importance of sound inside a room, so the architectural characteristics of the internal space determine the acoustic behavior. To get better acoustics of a room there are computational methods that simulate the acoustic behavior of a room before his execution, providing the prediction of the simulated environment behavior from the acoustic point of view. The acoustic parameters of the resulting acoustic simulations as Reverberation Time, Initial Decay Time, Clarity, Sharpness and Speech

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Young, Paul Michael. "Exploring Perspectivism in Music: Site- Specific Minimalist Inspired Compositions." Thesis, Griffith University, 2016. http://hdl.handle.net/10072/365367.

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This practice-led research masters produced four musical compositions exploring concepts of Perspectivism, musical minimalist aesthetics and improvisation to create contrasting sonic environments in a site-specific performance space. The compositions, which combine live acoustic performance with live & pre-composed electronic performance, all adopt a particular spatial approach I call The Triadic Space Layout, in which the musicians and loudspeakers are ‘fractured’ between three rooms, creating distinct yet related sonic environments. Through an iterative process of reflective practice, two br

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Nguyen, Ngoc Hung, Majid Dowlatnia, and Azhar Sarfraz. "Implementation of the LMS and NLMS algorithms for Acoustic Echo Cancellationin teleconference systemusing MATLAB." Thesis, Växjö University, School of Mathematics and Systems Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-6368.

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<p>In hands-free telephony and in teleconference systems, the main aim is to provide agood free voice quality when two or more people communicate from different places.The problem often arises during the conversation is the creation of acoustic echo. Thisproblem will cause the bad quality of voice signal and thus talkers could not hearclearly the content of the conversation, even thought lost the important information.This acoustic echo is actually the noise which is created by the reflection of soundwaves by the wall of the room and the other things exist in the room. The mainobjective for en

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Viero, Claudia Rogeria Gaida. "Caracterização das condições acústicas de salas de aula destinadas ao ensino da música na educação básica." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/7835.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The acoustic inadequacy in an environment for teaching and study of music can trigger problems in the process of learning music, because the music content or the speech itself, can be modified, creating possibilities of erroneous adaptations to inadequate conditions. Because of this, there is concern with the implementation of Law nº. 11 769/2008 that amends Law no. 9.394/1996 - Law of Guidelines and Bases of Education (LDB), which inserts the teaching of music in primary education on a mandatory way, but not exclusive in the schoo

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Grills, Romy [Verfasser], Johannes [Akademischer Betreuer] Heitmann, Johannes [Gutachter] Heitmann, and Edwin [Gutachter] Kroke. "Aminopolysiloxane-coated thin-film bulk acoustic resonators for selective room temperature CO2 sensing / Romy Grills ; Gutachter: Johannes Heitmann, Edwin Kroke ; Betreuer: Johannes Heitmann." Freiberg : Technische Universität Bergakademie Freiberg, 2019. http://d-nb.info/1221139304/34.

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Thery, David. "Architectural auralizations : towards the integration of virtual acoustic design in architecture." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASS016.

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Cette thèse a étudié l’usage des auralisations durant la phase de design de projets architecturaux. Cette technologie, qui consiste à rendre audibles des simulations numériques à partir de modèles acoustiques géométriques, a été beaucoup utilisée en recherche, allant d’études cognitives à l’évaluation de l’acoustique des salles de concert, en passant par des études archéoacoustiques permettant la conservation du patrimoine via la reconstitution de l’empreinte acoustique de lieux historiques. La question ici était donc d’évaluer la potentielle amélioration que l’usage des au

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Hatlevik, Espen. "Are Musicians Affected by Room Acoustics in Rehearsal Rooms?" Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18839.

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This study has investigated to what extent musicians adjust their source levels to different music rehearsal rooms. In the experiment, six amateur musicians were to perform the same song i four different rehearsal rooms, by first singing, then by playing guitar and last by combining singing with guitar playing. All sound sources were recorded and analyzed. The results shows that the average musician adjusts his source levels to the rehearsal room and that most of the adjustments are made in the guitar playing. Looking at the individual musician there are some that do not show any signs as to b

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Almansour, Amjad Saleh Ali. "USE OF SINGLE TOW CERAMIC MATRIX MINICOMPOSITES TO DETERMINE FUNDAMENTAL ROOM AND ELEVATED TEMPERATURE PROPERTIES." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron148640184494135.

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Chen, Zhixin. "An investigation of acoustic impulse response measurement and modeling for small rooms." Diss., Montana State University, 2007. http://etd.lib.montana.edu/etd/2007/chen/ChenZ1207.pdf.

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Espitia, Hurtado Juan Pablo. "Acoustique des salles dans les lieux d'écoute de la musique : analyse perceptive et acoustique dans les contextes réels et virtuels." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066169.

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L'objectif général de cette thèse est de contribuer à l'exploration de la qualité sonore des salles de concert à partir d'une approche centrée sur l'identification de l'expérience sensible des mélomanes. Nous montrons d'abord les limites de l'approche traditionnelle de l'évaluation perceptive, principalement centrée sur des attributs reliés à la salle ou à la musique, et définis a priori à partir des connaissances des expérimentateurs, le plus souvent acousticiens, dans les termes de leur domaine scientifique ou avec des mots dont ils pensent partager avec les sujets les mêmes significations.

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Demontis, Hugo. "Identification de sources acoustiques complexes en milieu réverbérant par grands réseaux de microphones." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS196.

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La directivité d'une source sonore intervient dans de nombreuses applications en acoustique, allant de la compréhension des phénomènes physiques aéro-acoustiques jusqu'à la reproduction sonore spatialisée. Pour estimer expérimentalement cette signature spatiale, il est d’usage de déployer les microphones de sorte à englober partiellement ou totalement les sources. Le rayonnement acoustique est ainsi capté dans toutes les directions de l'espace. Sur ce principe, nous proposons dans ce manuscrit le développement d'un réseau microphonique 3D de grandes dimensions. L'antenne baptisée MODO ("Les Mu

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Ozgenel, Caglar Firat. "Developing A Tool For Acoustical Performance Evaluation Throughout The Design." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614066/index.pdf.

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Performance of the buildings has always been a concern for the architects. With the enhancements in the technology, it is possible to measure, analyze and evaluate the performance of an architectural design before it is built via simulation tools developed. With the evaluation of the analysis performance of the concerned space can be upgraded if simulation tools are employed throughout the design process. However, even though the simulation tools are developed for the acoustical simulation and performance analysis, it is not always simple to integrate the simulation tools to whole design proce

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Priede, Gareth. "Room acoustics : an investigation into the computer simulation of room acoustics, with special reference to Jameson Hall." Thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/5120.

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Bibliography: leaves 138-141.<br>This thesis consists of essentially two parts. The first deals with the theory and measurement of room acoustics while the second examines the room acoustic prediction methods.

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Zhang, Wei. "Simulation and experimental study of room acoustics." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27311.

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Sound propagation is a complex subject, especially in an enclosure. The study of room acoustics involves not only a research into how sound is propagated in a room, but also a search into how to measure sound under different condition and how to control sound in the case of various wall materials. For an acoustical environment, there are three separated parts: sound sources, room acoustics, and the listens. These three items form a source-medium-receiver chain, which is typical for most of communication models. In this thesis, the image method is applied to predict the acoustical quality of a

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HAND, SCOTT ANTHONY. "ADAPTABLE ACOUSTICS IN MULTI-USE MUSIC PERFORMANCE SPACES." University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1083634977.

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Murphy, Damian Thomas. "Digital waveguide mesh topologies in room acoustics modelling." Thesis, University of York, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313846.

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Hargreaves, J. A. "Time domain boundary element method for room acoustics." Thesis, University of Salford, 2007. http://usir.salford.ac.uk/16604/.

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This thesis is about improving the suitability of the time domain Boundary Element Method (BEM) for predicting the scattering from surface treatments used to improve the acoustics of rooms. The discretised integral equations are typically solved by marching on in time from initial silence; however, this being iterative has potential for divergence. Such instability and high computational cost have prohibited the time domain BEM from widespread use. The underlying integral equation is known to not possess unique solutions at certain frequencies, physically interpreted as cavity resonances, and

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Ljung, Robert. "Room acoustics and cognitive load when listening to speech." Doctoral thesis, Luleå tekniska universitet, Arbetsvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18057.

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The present thesis investigated the effects of background noise or a long reverberation time in learning situations. All studies used spoken texts that were presented above the speech intelligibility threshold, but were degraded enough to make listening more effortful. The basic hypothesis for the whole project was that listening to speech in a bad acoustic environment should increase the cognitive load for the listener, which should impair memory of the text. In Paper I the auditory stimuli were lists of words and sentences that were degraded by a background noise. Paper II was a replication

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Wu, Tsan-Ming. "Statistical impulse reponse modeling and dereverberation for room acoustics." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/14932.

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Frey, Johannes [Verfasser]. "Pre-attentive processing of room acoustics / Johannes Daniel Frey." Hamburg : Helmut-Schmidt-Universität, Bibliothek, 2017. http://d-nb.info/1131558847/34.

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