Software Based Acoustical Measurements
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Software Based Acoustical Measurements
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Author : Federico Miyara
language : en
Publisher: Springer
Release Date : 2017-05-26
Software Based Acoustical Measurements written by Federico Miyara and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-26 with Science categories.
This textbook provides a detailed introduction to the use of software in combination with simple and economical hardware (a sound level meter with calibrated AC output and a digital recording system) to obtain sophisticated measurements usually requiring expensive equipment. It emphasizes the use of free, open source, and multiplatform software. Many commercial acoustical measurement systems use software algorithms as an integral component; however the methods are not disclosed. This book enables the reader to develop useful algorithms and provides insight into the use of digital audio editing tools to document features in the signal. Topics covered include acoustical measurement principles, in-depth critical study of uncertainty applied to acoustical measurements, digital signal processing from the basics, and metrologically-oriented spectral and statistical analysis of signals. The student will gain a deep understanding of the use of software for measurement purposes; the ability to implement software-based measurement systems; familiarity with the hardware necessary to acquire and store signals; an appreciation for the key issue of long-term preservation of signals; and a full grasp of the often neglected issue of uncertainty in acoustical measurements. Pedagogical features include in-text worked-out examples, end-of-chapter problems, a glossary of metrology terms, and extensive appendices covering statistics, proofs, additional examples, file formats, and underlying theory.
Vibration Acoustics And Strain Measurement
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Author : C. Sujatha
language : en
Publisher: Springer Nature
Release Date : 2023-02-22
Vibration Acoustics And Strain Measurement written by C. Sujatha and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-22 with Technology & Engineering categories.
This textbook provides a comprehensive description of a variety of vibration and acoustic pickups and exciters, as well as strain gauge transducers. It is an exhaustive manual for setting up basic and involved experiments in the areas of vibration, acoustics and strain measurement (using strain gauges only). It further serves as a reference to conduct experiments of a pedagogical nature in these areas. It covers the various theoretical aspects of experimental test rigs, as well as a description and choice of transducers/equipment. The fundamentals of signal processing theory, including the basics of random signals, have been included to enable the user to make a proper choice of settings on an analyser or measuring equipment. Also added is a description of modal analysis theory and related parameter extraction techniques. All chapters are provided with conceptual questions which will provoke the reader to think and gain a better understanding of the subjects. The textbook illustrates around fifty experiments in the areas of vibration, acoustics and strain measurements. Given the contents, this textbook is useful for undergraduate and postgraduate students in the areas of mechanical engineering, with applications that range from civil structures, architectural and environmental systems, and all forms of mechanical systems including transport vehicles and aircraft.
Directivity Patterns For Room Acoustical Measurements And Simulations
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Author : Martin Pollow
language : en
Publisher: Logos Verlag Berlin GmbH
Release Date : 2015-09-09
Directivity Patterns For Room Acoustical Measurements And Simulations written by Martin Pollow and has been published by Logos Verlag Berlin GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-09 with Technology & Engineering categories.
The acoustics of rooms can be objectively described by the room impulse responses obtained for given transfer paths using measurement or simulation. In practice, the directionally dependent behavior of sources and receivers is often disregarded and thus assumed to be of omnidirectional type. In reality, however, these sources and receivers have specific directivity patterns, which are reported to induce audible differences. In this work a methodology to capture, analyze and process directivity patterns of sources and receivers is described. With the help of surrounding spherical microphone and loudspeaker arrays these directivity patterns are measured to be used in room acoustic applications. Room impulse responses with respect to specific directivity patterns can be realized using compact loudspeaker arrays with known directivity. Applying the results of directivity superposition to the set of measured room impulse responses, the acoustics for specific directivity patterns are found. Using a simulation of the room instead, source and receiver directivity patterns can be included in both wave based and particle based methods. The results of this work facilitate more authentic descriptions of room acoustics for specific source and receiver directivity patterns.
Modelling Simulation And Data Analysis In Acoustical Problems
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Author : Claudio Guarnaccia
language : en
Publisher: MDPI
Release Date : 2020-06-23
Modelling Simulation And Data Analysis In Acoustical Problems written by Claudio Guarnaccia and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-23 with Science categories.
Modelling and simulation in acoustics is currently gaining importance. In fact, with the development and improvement of innovative computational techniques and with the growing need for predictive models, an impressive boost has been observed in several research and application areas, such as noise control, indoor acoustics, and industrial applications. This led us to the proposal of a special issue about “Modelling, Simulation and Data Analysis in Acoustical Problems”, as we believe in the importance of these topics in modern acoustics’ studies. In total, 81 papers were submitted and 33 of them were published, with an acceptance rate of 37.5%. According to the number of papers submitted, it can be affirmed that this is a trending topic in the scientific and academic community and this special issue will try to provide a future reference for the research that will be developed in coming years.
Vibration And Structural Acoustics Analysis
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Author : C.M.A. Vasques
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-08-10
Vibration And Structural Acoustics Analysis written by C.M.A. Vasques and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-10 with Technology & Engineering categories.
Vibration and structural acoustics analysis has become an essential requirement for high-quality structural and mechanical design in order to assure acoustic comfort and the integrity, reliability and fail-safe behavior of structures and machines. The underlying technologies of this field of multidisciplinary research are evolving very fast and their dissemination is usually scattered over different and complementary scientific and technical publication means. In order to make it easy for developers and technology end-users to follow the latest developments and news in the field, this book collects into a single volume selected, extended, updated and revised versions of papers presented at the Symposium on Vibration and Structural Acoustics Analysis, coordinated by J. Dias Rodrigues and C. M. A. Vasques, which was organised as part of the 3rd International Conference on Integrity, Reliability & Failure (IRF’2009), co-chaired by J. F. Silva Gomes and Shaker A. Meguid, held at the Faculty of Engineering of the University of Porto, Portugal, 20-24 July 2009. These papers where chosen from the more than 60 papers presented at the conference symposium. Written by experienced practitioners and researchers in the field, this book brings together recent developments in the field, spanning across a broad range of themes: vibration analysis, analytical and computational structural acoustics and vibration, material systems and technologies for noise and vibration control, vibration-based structural health monitoring/evaluation, machinery noise/vibration and diagnostics, experimental testing in vibration and structural acoustics, applications and case studies in structural acoustics and vibration. Each chapter presents and describes the state of the art, presents current research results and discusses the need for future developments in a particular aspect of vibration and structural acoustics analysis. The book is envisaged to be an appealing text for newcomers to the subject and a useful research study tool for advanced students and faculty members. Practitioners and researchers may also find this book a one-stop reference that addresses current and future challenges in this field. The variety of case studies is expected to stimulate a holistic view of sound and vibration and related fields and to appeal to a broad spectrum of engineers such as the ones in the mechanical, aeronautical, aerospace, civil and electrical communities.
The Science And Applications Of Acoustics
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Author : Daniel R. Raichel
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-04
The Science And Applications Of Acoustics written by Daniel R. Raichel and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-04 with Science categories.
This textbook treats the broad range of modern acoustics from the basics of wave propagation in solids and fluids to applications such as noise control and cancellation, underwater acoustics, music and music synthesis, sonoluminescence, and medical diagnostics with ultrasound. The new edition is up-to-date and forward-looking in approach. Additional coverage of the opto-acoustics and sonoluminescence phenomena is included. New problems have been added throughout.
The Ultimate Live Sound Operator S Handbook
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Author : Bill Gibson
language : en
Publisher: Bloomsbury Publishing PLC
Release Date : 2020-10
The Ultimate Live Sound Operator S Handbook written by Bill Gibson and has been published by Bloomsbury Publishing PLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10 with Music categories.
Fully revised and updated, The Ultimate Live Sound Operator’s Handbook focuses on each aspect of live sound operation in a way that is straightforward and easy to understand—from basic system and acoustic considerations to miking, mixing, and recording the live show.
Acoustic Immittance Measures
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Author : Lisa L. Hunter
language : en
Publisher: Plural Publishing
Release Date : 2013-03-01
Acoustic Immittance Measures written by Lisa L. Hunter and has been published by Plural Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-01 with Medical categories.
Sound Reinforcement For Audio Engineers
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Author : Wolfgang Ahnert
language : en
Publisher: CRC Press
Release Date : 2022-08-31
Sound Reinforcement For Audio Engineers written by Wolfgang Ahnert and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-31 with Music categories.
Sound Reinforcement for Audio Engineers illustrates the current state of the art in sound reinforcement. Beginning with an outline of various fields of applications, from sports venues to religious venues, corporate environments and cinemas, this book is split into 11 chapters covering room acoustics, loudspeakers, microphones and acoustic modelling among many other topics. This comprehensive book packed with references and a historical overview of sound reinforcement design is an essential reference book for students of acoustics and electrical engineering, but also for engineers looking to expand their knowledge of designing sound reinforcement systems.
The Routledge Companion To The Sound Of Space
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Author : Emma-Kate Matthews
language : en
Publisher: Taylor & Francis
Release Date : 2024-11-11
The Routledge Companion To The Sound Of Space written by Emma-Kate Matthews and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-11-11 with Architecture categories.
This companion explores a range of conceptual and practical relationships between sound and space across various disciplines, providing insights from technical, creative, cultural, political, philosophical, psychological, and physiological perspectives. The content spans a wide range of spatial typologies, from large reverberant buildings to modest and intimate ones, from external public squares to domestic interiors, and from naturally formed environments to highly engineered spaces. These compiled insights and observations explore the vast diversity of ways in which sonic and spatial realms interact. This publication therefore forms important bridges between the intricate and diverse topics of technology, philosophy, composition, performance, and spatial design, to contemplate the potential of sound and space as tools for creative expression and communication, as well as for technical innovation. It is hoped that by sharing these insights, this book will inspire practitioners, scholars, and enthusiasts to incorporate new perspectives and methodologies into their own work. Through a rich blend of theory, practice, and critical reflection, this volume serves as a valuable resource for anyone interested in exploring the intricacy of relationships between space and sound, whether they are students, professionals, or simply curious. Our companion provides a cross-section through shared territories between sonic and spatial disciplines from architecture, engineering, sound design, music composition and performance, urban design, product design, and much more.