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Uncertainty in Acoustics

Author: Robert Peters

Publisher: CRC Press

Published: 2020-07-27

Total Pages: 467

ISBN-13: 0429894295

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This guide to estimating uncertainties in the measurement, prediction and assessment of noise and vibration applies across environmental noise and vibration, occupational noise and vibration exposure, and building and architectural acoustics. The book collates information from the various Standards and from research, with explanation, examples and case studies. It enables estimation of uncertainty in the measurement and prediction of acoustic quantities, suitable for use in environmental impact and occupational exposure assessments. It is for acoustic consultants, mechanical and building service engineers, architect and building professionals and environmental health officers. Bob Peters worked for more than forty years in acoustics and noise control – teaching, research, consultancy. He was a principal acoustic consultant with Applied Acoustic Design, a senior research fellow at London South Bank University, and a tutor on Institute of Acoustics distance learning courses.

Book Synopsis Uncertainty in Acoustics by : Robert Peters

Download or read book Uncertainty in Acoustics written by Robert Peters and published by CRC Press. This book was released on 2020-07-27 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide to estimating uncertainties in the measurement, prediction and assessment of noise and vibration applies across environmental noise and vibration, occupational noise and vibration exposure, and building and architectural acoustics. The book collates information from the various Standards and from research, with explanation, examples and case studies. It enables estimation of uncertainty in the measurement and prediction of acoustic quantities, suitable for use in environmental impact and occupational exposure assessments. It is for acoustic consultants, mechanical and building service engineers, architect and building professionals and environmental health officers. Bob Peters worked for more than forty years in acoustics and noise control – teaching, research, consultancy. He was a principal acoustic consultant with Applied Acoustic Design, a senior research fellow at London South Bank University, and a tutor on Institute of Acoustics distance learning courses.

The Cost of Uncertainty in Acoustic Measurements

Author: KM. Eldred

Publisher:

Published: 1979

Total Pages: 11

ISBN-13:

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The cost of uncertainty in noise measurements is reviewed in order to address real tangible costs borne both by firms that have to quiet plant equipment to noise levels below the regulations, and by individuals who are exposed to noise levels above the regulations. The potential annual costs of uncertainties in just one case study--potential product noise regulations--are shown to be of the order of 300 to 500 million dollars, on a present value basis over a ten year period, although substantial uncertainty in these estimates is probable. The economic implications of noise measurement uncertainty are related to the purposes of noise measurement standards, and the significance of measurement uncertainty for the use and consequences of standards in noise regulations is discussed.

Book Synopsis The Cost of Uncertainty in Acoustic Measurements by : KM. Eldred

Download or read book The Cost of Uncertainty in Acoustic Measurements written by KM. Eldred and published by . This book was released on 1979 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cost of uncertainty in noise measurements is reviewed in order to address real tangible costs borne both by firms that have to quiet plant equipment to noise levels below the regulations, and by individuals who are exposed to noise levels above the regulations. The potential annual costs of uncertainties in just one case study--potential product noise regulations--are shown to be of the order of 300 to 500 million dollars, on a present value basis over a ten year period, although substantial uncertainty in these estimates is probable. The economic implications of noise measurement uncertainty are related to the purposes of noise measurement standards, and the significance of measurement uncertainty for the use and consequences of standards in noise regulations is discussed.

Uncertainties in Acoustical Transfer Functions

Author: Pascal Dietrich

Publisher: Logos Verlag Berlin GmbH

Published: 2013

Total Pages: 220

ISBN-13: 3832535519

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Measured transfer functions of acoustic systems are often used to derive single-number parameters. The uncertainty analysis is commonly focused on the derived parameters but not on the transfer function as the primary quantity. This thesis presents an approach to assess the uncertainty contributions in these transfer functions by using analytic models. Uncertainties caused by the measurement method are analyzed with a focus on the underlying signal processing. In particular, the influence of nonlinearities in the acoustic measurement chain are modeled to predict artifacts in the measured signals and hence the calculated acoustic transfer function. Secondly, characterization methods commonly applied in the field of signal processing are linked to the acoustic scenarios and the main influencing parameters. Acoustic parameters are then derived analytically and by means of Monte Carlo simulations considering the uncertainty of these input parameters. In order to provide airborne applications, analytic models for sound barrier and room acoustic measurements are developed incorporating the directivity and the orientation of the sound source as well as the positions of sources and receivers. The simulated uncertainty contributions are validated by measurements. The same approach is also applied to structure-borne sound applications.

Book Synopsis Uncertainties in Acoustical Transfer Functions by : Pascal Dietrich

Download or read book Uncertainties in Acoustical Transfer Functions written by Pascal Dietrich and published by Logos Verlag Berlin GmbH. This book was released on 2013 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measured transfer functions of acoustic systems are often used to derive single-number parameters. The uncertainty analysis is commonly focused on the derived parameters but not on the transfer function as the primary quantity. This thesis presents an approach to assess the uncertainty contributions in these transfer functions by using analytic models. Uncertainties caused by the measurement method are analyzed with a focus on the underlying signal processing. In particular, the influence of nonlinearities in the acoustic measurement chain are modeled to predict artifacts in the measured signals and hence the calculated acoustic transfer function. Secondly, characterization methods commonly applied in the field of signal processing are linked to the acoustic scenarios and the main influencing parameters. Acoustic parameters are then derived analytically and by means of Monte Carlo simulations considering the uncertainty of these input parameters. In order to provide airborne applications, analytic models for sound barrier and room acoustic measurements are developed incorporating the directivity and the orientation of the sound source as well as the positions of sources and receivers. The simulated uncertainty contributions are validated by measurements. The same approach is also applied to structure-borne sound applications.

Understanding Acoustics

Author: Steven L. Garrett

Publisher: Springer

Published: 2017-02-24

Total Pages: 896

ISBN-13: 3319499785

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This textbook provides a unified approach to acoustics and vibration suitable for use in advanced undergraduate and first-year graduate courses on vibration and fluids. The book includes thorough treatment of vibration of harmonic oscillators, coupled oscillators, isotropic elasticity, and waves in solids including the use of resonance techniques for determination of elastic moduli. Drawing on 35 years of experience teaching introductory graduate acoustics at the Naval Postgraduate School and Penn State, the author presents a hydrodynamic approach to the acoustics of sound in fluids that provides a uniform methodology for analysis of lumped-element systems and wave propagation that can incorporate attenuation mechanisms and complex media. This view provides a consistent and reliable approach that can be extended with confidence to more complex fluids and future applications. Understanding Acoustics opens with a mathematical introduction that includes graphing and statistical uncertainty, followed by five chapters on vibration and elastic waves that provide important results and highlight modern applications while introducing analytical techniques that are revisited in the study of waves in fluids covered in Part II. A unified approach to waves in fluids (i.e., liquids and gases) is based on a mastery of the hydrodynamic equations. Part III demonstrates extensions of this view to nonlinear acoustics. Engaging and practical, this book is a must-read for graduate students in acoustics and vibration as well as active researchers interested in a novel approach to the material.

Book Synopsis Understanding Acoustics by : Steven L. Garrett

Download or read book Understanding Acoustics written by Steven L. Garrett and published by Springer. This book was released on 2017-02-24 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides a unified approach to acoustics and vibration suitable for use in advanced undergraduate and first-year graduate courses on vibration and fluids. The book includes thorough treatment of vibration of harmonic oscillators, coupled oscillators, isotropic elasticity, and waves in solids including the use of resonance techniques for determination of elastic moduli. Drawing on 35 years of experience teaching introductory graduate acoustics at the Naval Postgraduate School and Penn State, the author presents a hydrodynamic approach to the acoustics of sound in fluids that provides a uniform methodology for analysis of lumped-element systems and wave propagation that can incorporate attenuation mechanisms and complex media. This view provides a consistent and reliable approach that can be extended with confidence to more complex fluids and future applications. Understanding Acoustics opens with a mathematical introduction that includes graphing and statistical uncertainty, followed by five chapters on vibration and elastic waves that provide important results and highlight modern applications while introducing analytical techniques that are revisited in the study of waves in fluids covered in Part II. A unified approach to waves in fluids (i.e., liquids and gases) is based on a mastery of the hydrodynamic equations. Part III demonstrates extensions of this view to nonlinear acoustics. Engaging and practical, this book is a must-read for graduate students in acoustics and vibration as well as active researchers interested in a novel approach to the material.

Measurements in Room Acoustics

Author: Ingo B. Witew

Publisher:

Published: 2022

Total Pages: 0

ISBN-13: 9783832555290

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Book Synopsis Measurements in Room Acoustics by : Ingo B. Witew

Download or read book Measurements in Room Acoustics written by Ingo B. Witew and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings

Author: Association of School Business Officials of the United States and Canada

Publisher:

Published: 1928

Total Pages: 240

ISBN-13:

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Book Synopsis Proceedings by : Association of School Business Officials of the United States and Canada

Download or read book Proceedings written by Association of School Business Officials of the United States and Canada and published by . This book was released on 1928 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A History of the Acoustics Division of the Naval Research Laboratory

Author: Fred Tudor Erskine

Publisher:

Published: 2013

Total Pages: 188

ISBN-13:

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Book Synopsis A History of the Acoustics Division of the Naval Research Laboratory by : Fred Tudor Erskine

Download or read book A History of the Acoustics Division of the Naval Research Laboratory written by Fred Tudor Erskine and published by . This book was released on 2013 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Noise Mapping in the EU

Author: Gaetano Licitra

Publisher: CRC Press

Published: 2012-09-06

Total Pages: 442

ISBN-13: 0203848128

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Noise mapping is the first tool to effectively assess noise exposure, communicating information to citizens, and defining effective action plans for protecting citizens from high noise levels and preserving quiet areas in urban European Community environments. Indeed, strategic noise maps are now required in the European Union for all population ce

Book Synopsis Noise Mapping in the EU by : Gaetano Licitra

Download or read book Noise Mapping in the EU written by Gaetano Licitra and published by CRC Press. This book was released on 2012-09-06 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise mapping is the first tool to effectively assess noise exposure, communicating information to citizens, and defining effective action plans for protecting citizens from high noise levels and preserving quiet areas in urban European Community environments. Indeed, strategic noise maps are now required in the European Union for all population ce

Underwater Acoustics

Author: Richard P. Hodges

Publisher: John Wiley & Sons

Published: 2011-06-28

Total Pages: 386

ISBN-13: 1119957494

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Offering complete and comprehensive coverage of modern sonar spectrum system analysis, Underwater Acoustics: Analysis, Design and Performance of Sonar provides a state-of-the-art introduction to the subject and has been carefully structured to offer a much-needed update to the classic text by Urick. Expanded to included computational approaches to the topic, this book treads the line between the highly theoretical and mathematical texts and the more populist, non-mathematical books that characterize the existing literature in the field. The author compares and contrasts different techniques for sonar design, analysis and performance prediction and includes key experimental and theoretical results, pointing the reader towards further detail with extensive references. Practitioners in the field of sonar design, analysis and performance prediction as well as graduate students and researchers will appreciate this new reference as an invaluable and timely contribution to the field. Chapters include the sonar equation, radiated, self and ambient noise, active sonar sources, transmission loss, reverberation, transducers, active target strength, statistical detection theory, false alarms, contacts and targets, variability and uncertainty, modelling detections and tactical decision aids, cumulative probability of detection, tracking target motion analysis and localization, and design and evaluation of sonars

Book Synopsis Underwater Acoustics by : Richard P. Hodges

Download or read book Underwater Acoustics written by Richard P. Hodges and published by John Wiley & Sons. This book was released on 2011-06-28 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering complete and comprehensive coverage of modern sonar spectrum system analysis, Underwater Acoustics: Analysis, Design and Performance of Sonar provides a state-of-the-art introduction to the subject and has been carefully structured to offer a much-needed update to the classic text by Urick. Expanded to included computational approaches to the topic, this book treads the line between the highly theoretical and mathematical texts and the more populist, non-mathematical books that characterize the existing literature in the field. The author compares and contrasts different techniques for sonar design, analysis and performance prediction and includes key experimental and theoretical results, pointing the reader towards further detail with extensive references. Practitioners in the field of sonar design, analysis and performance prediction as well as graduate students and researchers will appreciate this new reference as an invaluable and timely contribution to the field. Chapters include the sonar equation, radiated, self and ambient noise, active sonar sources, transmission loss, reverberation, transducers, active target strength, statistical detection theory, false alarms, contacts and targets, variability and uncertainty, modelling detections and tactical decision aids, cumulative probability of detection, tracking target motion analysis and localization, and design and evaluation of sonars

Handbook of Signal Processing in Acoustics

Author:

Publisher: Springer Science & Business Media

Published: 2008

Total Pages: 1932

ISBN-13: 0387776982

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Book Synopsis Handbook of Signal Processing in Acoustics by :

Download or read book Handbook of Signal Processing in Acoustics written by and published by Springer Science & Business Media. This book was released on 2008 with total page 1932 pages. Available in PDF, EPUB and Kindle. Book excerpt: