Acoustic Impedance And Admittance
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| Author | : Sanford E. Gerber |
| Publisher | : Gallaudet University Press |
| Total Pages | : 476 |
| Release | : 2001 |
| Genre | : Medical |
| ISBN | : 9781563681097 |
A handbook for professionals and advanced students in pediatrics and audiology. After introductory chapters defining hearing loss in terms of pathology and epidemiology, material covers otolaryngic assessment; speech audiometry; acoustic immittance; testing otoacoustic emission in newborns, infants, toddlers, and children; cochlear implants; counseling families of hearing-impaired children; and pediatric audiology service delivery models. Annotation copyright by Book News, Inc., Portland, OR
| Author | : Philip McCord Morse |
| Publisher | : Princeton University Press |
| Total Pages | : 954 |
| Release | : 1986 |
| Genre | : Mathematics |
| ISBN | : 9780691024011 |
This volume, available for the first time in paperback, is a standard work on the physical aspects of acoustics. Starting from first principles, the authors have successfully produced a unified and thorough treatment of the subjects of generation, propagation, absorption, reflection, and scattering of compressional waves in fluids, progressing to such topics as moving sound sources, turbulence, and wave-induced vibration of structures. Material is included on viscous and thermal effects, on the acoustics of moving media, on plasma acoustics, on nonlinear effects, and on the interaction between light and sound. Problems, with answers in many cases, are given at the end of each chapter. They contain extensions to further applications, thus enhancing the reference value of the book. Many of the examples worked out in the text and in the problem solutions were not previously published. Anyone familiar with calculus and vector analysis should be able to understand the mathematical techniques used here.
| Author | : Lisa L. Hunter |
| Publisher | : Plural Publishing |
| Total Pages | : 177 |
| Release | : 2013-03-01 |
| Genre | : Medical |
| ISBN | : 159756639X |
| Author | : Aage R. Moller |
| Publisher | : Academic Press |
| Total Pages | : 326 |
| Release | : 2000-05-25 |
| Genre | : Medical |
| ISBN | : 0125042558 |
There is a new trend in the education of audiologists that emphasizes the basics of hearing--Hearing: Its Physiology and Pathophysiology addresses this trend. It covers not only the basics of hearing but also the basics of pathophysiology, which is not covered in a comprehensive way in any other text today. This book recognizes the fact that the diseased auditory system does indeed function, but in a different way than the normal system. Few books have addressed the pathophysiology of the ear and the auditory nervous system. Most books on hearing begin with a detailed description of the physics of sound, which scares many readers away because they believe they need to understand acoustics to understand how the ear functions. Hearing: Its Physiology and Pathophysiology does not assume that the readers are physicists, which would be analogous to assuming that visual physiologists would need to know quantum mechanics to understand how the visual nervous system functions. * This book provides a thorough understanding of the anatomy and function of the auditory system * To the basic scientist, it will provide an understanding of the auditory system and how it works * To the clinician, it will provide insight into the normal and diseased auditory system
| Author | : Alan Sidney Feldman |
| Publisher | : |
| Total Pages | : 383 |
| Release | : 1976 |
| Genre | : Audiometry, Impedance |
| ISBN | : 9780683031119 |
| Author | : J.F. Allard |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 296 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 9401118663 |
This book has grown out of the research activities of the author in the fields of sound propagation in porous media and modelling of acoustic materials. It is assumed that the reader has a background of advanced calculus, including an introduction to differential equations, complex variables and matrix algebra. A prior exposure to theory of elasticity would be advantageous. Chapters 1-3 deal with sound propagation of plane waves in solids and fluids, and the topics of acoustic impedance and reflection coefficient are given a large emphasis. The topic of flow resistivity is presented in Chapter 2. Chapter 4 deals with sound propagation in porous materials having cylindrical pores. The topics of effective density, and of tortuosity, are presented. The thermal exchanges between the frame and the fluid, and the behaviour of the bulk modulus of the fluid, are described in this simple context. Chapter 5 is concerned with sound propagation in other porous materials, and the recent notions of characteristic dimensions, which describe thermal exchanges and the viscous forces at high frequencies, are introduced. In Chapter 6, the case of porous media having an elastic frame is considered in the context of Biot theory, where new topics described in Chapter 5 have been included.
| Author | : Trevor J. Cox |
| Publisher | : CRC Press |
| Total Pages | : 495 |
| Release | : 2009-01-26 |
| Genre | : Architecture |
| ISBN | : 0203893050 |
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.
| Author | : Yu Zhou |
| Publisher | : Springer |
| Total Pages | : 382 |
| Release | : 2018-05-15 |
| Genre | : Technology & Engineering |
| ISBN | : 9811075425 |
This book presents the proceedings of the Symposium on Fluid-Structure-Sound Interactions and Control (FSSIC), (held in Tokyo on Aug. 21-24, 2017), which largely focused on advances in the theory, experiments on, and numerical simulation of turbulence in the contexts of flow-induced vibration, noise and their control. This includes several practical areas of application, such as the aerodynamics of road and space vehicles, marine and civil engineering, nuclear reactors and biomedical science, etc. Uniquely, these proceedings integrate acoustics with the study of flow-induced vibration, which is not a common practice but can be extremely beneficial to understanding, simulating and controlling vibration. The symposium provides a vital forum where academics, scientists and engineers working in all related branches can exchange and share their latest findings, ideas and innovations – bringing together researchers from both east and west to chart the frontiers of FSSIC.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 321 |
| Release | : 2004-12-17 |
| Genre | : Social Science |
| ISBN | : 0309092965 |
Millions of Americans experience some degree of hearing loss. The Social Security Administration (SSA) operates programs that provide cash disability benefits to people with permanent impairments like hearing loss, if they can show that their impairments meet stringent SSA criteria and their earnings are below an SSA threshold. The National Research Council convened an expert committee at the request of the SSA to study the issues related to disability determination for people with hearing loss. This volume is the product of that study. Hearing Loss: Determining Eligibility for Social Security Benefits reviews current knowledge about hearing loss and its measurement and treatment, and provides an evaluation of the strengths and weaknesses of the current processes and criteria. It recommends changes to strengthen the disability determination process and ensure its reliability and fairness. The book addresses criteria for selection of pure tone and speech tests, guidelines for test administration, testing of hearing in noise, special issues related to testing children, and the difficulty of predicting work capacity from clinical hearing test results. It should be useful to audiologists, otolaryngologists, disability advocates, and others who are concerned with people who have hearing loss.
| Author | : Andrei S. Dukhin |
| Publisher | : Elsevier |
| Total Pages | : 592 |
| Release | : 2017-08-08 |
| Genre | : Technology & Engineering |
| ISBN | : 0444639071 |
Characterization of Liquids, Dispersions, Emulsions and Porous Materials Using Ultrasound, Third Edition, presents a scientific background for novel methods of characterizing homogeneous and heterogeneous liquids (dispersions, emulsions, and gels) as well as porous materials. Homogeneous liquids are characterized in rheological terms, whereas particle-size distribution and zeta potential are parameters of heterogeneous liquids. For porous materials, porosity, pore size, and zeta potential are output characteristics. These methods are based on ultrasound, which opens an opportunity for simplifying the sample preparation by eliminating dilution. This in turn, makes measurements faster, easier, precise, suitable for accurate quality control, PAT, and formulation of complex systems. This book provides theoretical background of acoustics, rheology, colloid science, electrochemistry, and other relevant scientific fields, describing principles of existing instrumentation and, in particular, commercially available instruments. Finally, the book features an extensive list of existing applications. - Presents a theoretical multi-disciplinary background of several new ultrasound analytical techniques in one place - Validates the theoretical basis of several new analytical techniques - Compares the efficiency and applications of various ultrasound techniques - Lists many ultrasound applications in colloid chemistry - Contains an extensive bibliography on this multidisciplinary topic
