Acoustic Absorbers and Diffusers

Acoustic Absorbers and Diffusers
Author: Trevor J. Cox
Publisher: CRC Press
Total Pages: 495
Release: 2009-01-26
Genre: Architecture
ISBN: 0203893050

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Absorbers and diffusers are two of the main design tools for altering the acoustic conditions of rooms, semi-enclosed spaces and the outdoor environment. Their correct use is important for delivering high quality acoustics. Unique and authoritative, this book decribes how to effectively measure, model, design and apply diffusers and absorbers. It is a resource for new and experienced acousticians, seeking an understanding of the evolution, characteristics and application of modern diffusers. Absorption is a more established technology and so the book blends traditional designs with modern developments. The book covers practical and theoretical aspects of absorbers and diffusers and is well illustrated with examples of installations and case studies. This new edition brings Acoustic Absorbers and Diffusers up-to-date with current research, practice and standards. New developments in measurement, materials, theory and practice since the first edition (published in 2004) are included. The sections on absorbers are extended to include more about noise control.

Acoustic Absorbers and Diffusers

Acoustic Absorbers and Diffusers
Author: Trevor Cox
Publisher: CRC Press
Total Pages: 577
Release: 2016-11-18
Genre: Technology & Engineering
ISBN: 1498741002

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This definitive guide covers the design and application of absorbers and diffusers in acoustics. Surface diffusion is a relatively young subject area, and diffuser design, application and characterisation are often not well understood. Although there is greater knowledge of absorption, it is also informed by new research. As two of the main design tools for altering the acoustic conditions of rooms, the correct use of absorbers and diffusers is important to the creation of quality acoustics. This text details the evolution and the current state of the art in diffuser and absorber research and application. It covers a range of practical and theoretical aspects, with extensive examples of installations and case studies to cater to practitioners working in the measurement, modelling and design of rooms, semi-enclosed spaces as well as in noise control. It is also invaluable for students and researchers wanting a grounding in acoustic treatment, as well as understanding the latest developments. All chapters have been revised and brought up to date in this new edition, with new applications, absorbers and diffusers featured. Sustainability, portable vocal booths, and fast time domain models for diffusers are just a few of the new sections. Improved techniques for measurement and prediction are included, as well as bringing old methods up-to-date with the latest refinements from standards and research. Most of the prediction methods in the book are now linked to open source implementations and downloadable MATLAB scripts, enabling readers to exploit the knowledge in this book more readily in design and research.

DIY Acoustic Panels

DIY Acoustic Panels
Author: Marc Rollins-McKie
Publisher:
Total Pages: 93
Release: 2019-03-19
Genre:
ISBN: 9781090783172

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DIY Acoustic Panels will guide the reader through the building process of a variety of acoustic panels and diffusers, allowing the reader to treat a studio, rehearsal space or recording room effectively.DIY Acoustic Panels is split into three levels of ability and budget, enabling any reader to use the information to treat a room:Advanced - For readers with experience and access to certain tools and materialsIntermediate - For readers who have DIY experience but have limited tools and a moderate budgetBasic - For readers with no tools and a limited budgetThis book will show the reader how to build:Broadband AbsorbersBass TrapsGrid Diffusers2D QRD DiffusersSkyline DiffusersFor each ability level, DIY Acoustic Panels will show the reader how they can best treat their space based on the limitations they face and provide examples of each.

Room Acoustics

Room Acoustics
Author: Heinrich Kuttruff
Publisher: CRC Press
Total Pages: 302
Release: 2016-10-03
Genre: Technology & Engineering
ISBN: 1482260441

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Well established as a classic reference and specialised textbook, since its first publication in 1973, Heinrich Kuttruff’s Room Acoustics combines detailed coverage with a state of art presentation of the theory and practice of sound behaviour in closed spaces. This sixth edition presents several additional new sections, for instance on the reflection of a spherical wave from a wall, on finite element methods for sound field calculation and on virtual reality, as well as giving an overhaul of the standard material. Particular emphasis is given to the properties and calculation of reverberation, the most obvious acoustical feature of a room. And further key topics include the various mechanisms of sound absorption and their practical application as well as scattering by wall irregularities including pseudo-stochastic structures. Extensive space is given to of psychoacoustic insights and the quality criteria derived from them, along with new procedures for the sensory assessment of concert hall acoustics. As in earlier editions, one full and updated chapter is devoted to the design and performance of electroacoustic systems which nowadays is not just a method for sound amplification but offers many possibilities for correcting acoustic deficiencies and modifying a hall’s natural acoustics.

Sound Reproduction

Sound Reproduction
Author: Floyd E. Toole
Publisher: Routledge
Total Pages: 956
Release: 2017-07-28
Genre: Technology & Engineering
ISBN: 1317415094

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Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms, Third Edition explains the physical and perceptual processes that are involved in sound reproduction and demonstrates how to use the processes to create high-quality listening experiences in stereo and multichannel formats. Understanding the principles of sound production is necessary to achieve the goals of sound reproduction in spaces ranging from recording control rooms and home listening rooms to large cinemas. This revision brings new science-based perspectives on the performance of loudspeakers, room acoustics, measurements and equalization, all of which need to be appropriately used to ensure the accurate delivery of music and movie sound tracks from creators to listeners. The robust website (www.routledge.com/cw/toole) is the perfect companion to this necessary resource.

Acoustics of Small Rooms

Acoustics of Small Rooms
Author: Mendel Kleiner
Publisher: CRC Press
Total Pages: 491
Release: 2014-04-15
Genre: Technology & Engineering
ISBN: 0203869249

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Much time is spent working out how to optimize the acoustics of large rooms, such as auditoria, but the acoustics of small rooms and environments can be just as vital. The expensive sound equipment of a recording studio or the stereo in a car or living room is likewise rendered useless if the acoustic environment is not right for them.Changes in wa

Building Acoustics

Building Acoustics
Author: Tor Erik Vigran
Publisher: CRC Press
Total Pages: 383
Release: 2014-04-21
Genre: Technology & Engineering
ISBN: 1482266016

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Building or architectural acoustics is taken in this book to cover all aspects of sound and vibration in buildings. The book covers room acoustics but the main emphasis is on sound insulation and sound absorption and the basic aspects of noise and vibration problems connected to service equipment and external sources. Covering all aspects of sound and vibration in buildings, this book explores room acoustics, sound insulation, and noise and vibration problems connected to service equipment and external sources.

Acoustics of Materials

Acoustics of Materials
Author: Zine El Abiddine Fellah
Publisher: BoD – Books on Demand
Total Pages: 208
Release: 2019-04-25
Genre: Technology & Engineering
ISBN: 1838803491

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This book deals with acoustic wave interaction with different materials, such as porous materials, crystals, biological tissues, nanofibers, etc. Physical phenomena and mathematical models are described, numerical simulations and theoretical predictions are compared to experimental data, and the results are discussed by evoking new trends and perspectives. Several approaches and applications are developed, including non-linear elasticity, propagation, diffusion, soundscape, environmental acoustics, mechanotransduction, infrasound, acoustic beam, microwave sensors, and insulation. The book is composed of three sections: Control of Sound - Absorbing Materials for Damping of Sound, Sound Propagation in Complex/Porous materials and Nondestructive Testing (NDT), Non Linearity, Leakage.

Architectural Acoustics

Architectural Acoustics
Author: Marshall Long
Publisher: Academic Press
Total Pages: 985
Release: 2014-02-05
Genre: Technology & Engineering
ISBN: 0123982650

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Architectural Acoustics, Second Edition presents a thorough technical overview of the discipline, from basic concepts to specific design advice. Beginning with a brief history, it reviews the fundamentals of acoustics, human perception and reaction to sound, acoustic noise measurements, noise metrics, and environmental noise characterization. In-depth treatment is given to the theoretical principles and practical applications of wave acoustics, sound transmission, vibration and vibration isolation, and noise transmission in floors and mechanical systems. Chapters on specific design problems demonstrate how to apply the theory, including treatment of multifamily dwellings, office buildings, rooms for speech, rooms for music, multipurpose rooms, auditoriums, sanctuaries, studios, listening rooms, and the design of sound reinforcement systems. Detailed figures illustrate the practical applications of acoustic principles, showing how to implement design ideas in actual structures. This compendium of theoretical and practical design information brings the relevant concepts, equations, techniques, and specific design problems together in one place, including both fundamentals and more advanced material. Practicing engineers will find it an invaluable reference for their daily work, while advanced students will appreciate its rigorous treatment of the basic building blocks of acoustical theory. Considered the most complete resource in the field – includes basic fundamental relations, derived from first principles, and examples needed to solve real engineering problems. Provides a well-organized text for students first approaching the subject as well as a reliable reference for experienced practitioners looking to refresh their technical knowledge base. New content for developing professionals includes case studies and coverage of specific focus areas such as audio visual design, theaters, and concert halls.

Building Acoustics

Building Acoustics
Author: Marc Asselineau
Publisher: CRC Press
Total Pages: 351
Release: 2015-03-18
Genre: Technology & Engineering
ISBN: 104015932X

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Avoid Costly Mistakes for Specialists and Non-Specialists AlikeBad acoustics in buildings is a nuisance that is not dealt with easily. The problem applies just as much to open-plan offices and restaurants and to production facilities and transportation stations as it does to performance halls, not to mention homes. It does not merely affect oral co