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Acoustic Signals and Hearing

Acoustic Signals and Hearing
  • Author : Mikio Tohyama
  • Publisher :Unknown
  • Release Date :2020-02-29
  • Total pages :244
  • ISBN : 9780128166116
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Summary : Understanding acoustics – the science of sound -- is essential for audio and communications engineers working in media technology. It is also extremely important for engineers to understand what allows a sound to be heard in the way it is, what makes speech intelligible, and how a particular sound is recognized within a multitude of sounds. Acoustic Signals and Hearing: A Time-Envelope and Phase Spectral Approach is unique in presenting the principles of sound and sound fields from the perspective of hearing, particularly through the use of speech and musical sounds. Acoustic Signals and Hearing: A Time-Envelope and Phase Spectral Approach is an ideal resource for researchers and acoustic engineers working in today’s environment of media technology, and graduate students studying acoustics, audio engineering, and signal processing. Presents unique sounds and sound fields from the perspective of hearing Covers source-signature and sound-path analysis Gives a reconstruction of the basics of acoustics and audio engineering via timeless topics such as linear system theory in the time and frequency domains Uses the new envelope and phase analysis approach to signal and waveform analysis Provides new perspectives via phase properties on ways to solve acoustical problems Presents straightforward mathematical formulations that give familiarity to discrete expressions of sound waves Gives a seamless and intuitive understanding — from mathematical expressions to a subjective impression of sound

Handbook of Signal Processing in Acoustics

Handbook of Signal Processing in Acoustics
  • Author : David Havelock,Sonoko Kuwano,Michael Vorländer
  • Publisher :Unknown
  • Release Date :2008-10-26
  • Total pages :1950
  • ISBN : 9780387304410
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Summary : The Handbook of Signal Processing in Acoustics brings together a wide range of perspectives from over 100 authors to reveal the interdisciplinary nature of the subject. It brings the key issues from both acoustics and signal processing into perspective and is a unique resource for experts and practitioners alike to find new ideas and techniques within the diversity of signal processing in acoustics.

Hearing Loss

Hearing Loss
  • Author : National Research Council,Division of Behavioral and Social Sciences and Education,Board on Behavioral, Cognitive, and Sensory Sciences,Committee on Disability Determination for Individuals with Hearing Impairments
  • Publisher :Unknown
  • Release Date :2004-12-17
  • Total pages :320
  • ISBN : 9780309092968
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Summary : 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.

Digital Signal Processing in Audio and Acoustical Engineering

Digital Signal Processing in Audio and Acoustical Engineering
  • Author : Francis F. Li,Trevor J. Cox
  • Publisher :Unknown
  • Release Date :2019-04-02
  • Total pages :228
  • ISBN : 9781466593893
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Summary : Starting with essential maths, fundamentals of signals and systems, and classical concepts of DSP, this book presents, from an application-oriented perspective, modern concepts and methods of DSP including machine learning for audio acoustics and engineering. Content highlights include but are not limited to room acoustic parameter measurements, filter design, codecs, machine learning for audio pattern recognition and machine audition, spatial audio, array technologies and hearing aids. Some research outcomes are fed into book as worked examples. As a research informed text, the book attempts to present DSP and machine learning from a new and more relevant angle to acousticians and audio engineers. Some MATLAB® codes or frameworks of algorithms are given as downloads available on the CRC Press website. Suggested exploration and mini project ideas are given for "proof of concept" type of exercises and directions for further study and investigation. The book is intended for researchers, professionals, and senior year students in the field of audio acoustics.

Hearing and Sound Communication in Amphibians

Hearing and Sound Communication in Amphibians
  • Author : Peter M. Narins,Albert S. Feng,Richard R. Fay
  • Publisher :Unknown
  • Release Date :2006-12-11
  • Total pages :366
  • ISBN : 9780387477961
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Summary : This book is a compendium of the latest research on acoustic communication in these highly vocal vertebrates. The chapters are written by experts currently investigating the physiology and behavior of amphibians, in the laboratory and in the field. This integrated approach provides a neuroethologically-driven and evolutionary basis for our understanding of acoustic communication and its underlying mechanisms. The intended audience includes senior undergraduates, physiologists, zoologists, evolutionary biologists and communication specialists.

Signals, Sound, and Sensation

Signals, Sound, and Sensation
  • Author : William M. Hartmann
  • Publisher :Unknown
  • Release Date :2004-09-14
  • Total pages :647
  • ISBN : 1563962837
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Summary : Designed to follow an introductory text on psychoacoustics, this book takes readers through the mathematics of signal processing from its beginnings in the Fourier transform to advanced topics in modulation, dispersion relations, minimum phase systems, sampled data, and nonlinear distortion. While organised like an introductory engineering text on signals, the examples and exercises come from research on the perception of sound. A unique feature of this book is its consistent application of the Fourier transform, which unifies topics as diverse as cochlear filtering and digital recording. More than 250 exercises are included, many of them devoted to practical research in perception, while others explore surprising auditory illusions generated by special signals. Periodic signals, aperiodic signals, and noise -- along with their linear and nonlinear transformations -- are covered in detail. More advanced mathematical topics are treated in the appendices. A working knowledge of elementary calculus is the only prerequisite. Indispensable for researchers and advanced students in the psychology of auditory perception.

Springer Handbook of Acoustics

Springer Handbook of Acoustics
  • Author : Thomas Rossing
  • Publisher :Unknown
  • Release Date :2007-06-21
  • Total pages :1182
  • ISBN : 9780387304465
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Summary : This is an unparalleled modern handbook reflecting the richly interdisciplinary nature of acoustics edited by an acknowledged master in the field. The handbook reviews the most important areas of the subject, with emphasis on current research. The authors of the various chapters are all experts in their fields. Each chapter is richly illustrated with figures and tables. The latest research and applications are incorporated throughout, including computer recognition and synthesis of speech, physiological acoustics, diagnostic imaging and therapeutic applications and acoustical oceanography. An accompanying CD-ROM contains audio and video files.

Acoustic Communication

Acoustic Communication
  • Author : Andrea Simmons,Richard R. Fay
  • Publisher :Unknown
  • Release Date :2006-04-18
  • Total pages :404
  • ISBN : 9780387227627
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Summary : In order to communicate, animals send and receive signals that are subject to their particular anatomical, psychological, and environmental constraints. This SHAR volume discusses both the production and perception of acoustic signals. Chapters address the information that animals communicate, how the communication is developed and learned, and how communication systems have adapted and evolved within species. The book will give examples from a variety of species.

Fundamentals of Acoustic Signal Processing

Fundamentals of Acoustic Signal Processing
  • Author : Mikio Tohyama,Tsunehiko Koike
  • Publisher :Unknown
  • Release Date :1998
  • Total pages :321
  • ISBN : UOM:39015043760811
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Summary : Discrete representation of signals. Z- transform. Transfer function and frequency response function. Discrete fourier transform. Transfer function models and wave equations ...

Insect Hearing and Acoustic Communication

Insect Hearing and Acoustic Communication
  • Author : Berthold Hedwig
  • Publisher :Unknown
  • Release Date :2013-11-08
  • Total pages :222
  • ISBN : 9783642404627
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Summary : This volume provides a comprehensive selection of recent studies addressing insect hearing and acoustic communication. The variety of signalling behaviours and hearing organs makes insects highly suitable animals for exploring and analysing signal generation and hearing in the context of neural processing, ecology, evolution and genetics. Across a variety of hearing species like moths, crickets, bush-crickets, grasshoppers, cicadas and flies, the leading researchers in the field cover recent scientific progress and address key points in current research, such as: - How can we approach the evolution of hearing in insects and what is the developmental and neural origin of the auditory organs? - How are hearing and sound production embedded in the natural lifestyle of the animals, allowing intraspecific communication but also predator avoidance and even predation? - What are the functional properties of hearing organs and how are they achieved at the molecular, biophysical and neural levels? - What are the neural mechanisms of central auditory processing and signal generation? The book is intended for students and researchers both inside and outside of the fascinating field of bioacoustics and aims to foster understanding of hearing and acoustic communication in insects.

Principles and Applications of Spatial Hearing

Principles and Applications of Spatial Hearing
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2021
  • Total pages :229
  • ISBN : 9789814465410
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Summary :

Sound-signals

Sound-signals
  • Author : Arnold B. Johnson
  • Publisher :Unknown
  • Release Date :1884
  • Total pages :734
  • ISBN : HARVARD:HN7UYT
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Summary :

Sound in the Time Domain

Sound in the Time Domain
  • Author : Mikio Tohyama
  • Publisher :Unknown
  • Release Date :2017-11-01
  • Total pages :324
  • ISBN : 9789811058899
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Summary : This book addresses the nature of sound, focusing on the characteristics of sound waves in the context of time structures. This time domain approach provides an informative and intuitively understandable description of various acoustic topics such as sound waves travelling in an acoustic tube or in other media where spectral or modal analysis can be intensively performed. Starting from the introductory topic of sinusoidal waves, it discusses the formal relationship between the time and frequency domains, summarizing the fundamental notions of Fourier or z-transformations and linear systems theory, along with interesting examples from acoustical research. The books novel approach is of interest to research engineers and scientists In particular, the expressions concerning waveforms including the impulse responses are important for audio engineers who are familiar with digital signal analysis. Every chapter includes simple exercises designed to be solved without the need for a computer. Thus they help reconfirm the fundamental ideas and notions present in every chapter. The book is self-contained and concise, and requires only basic knowledge of acoustics and signal processing, making it valuable as a textbook for graduate and undergraduate university courses.

Communication Acoustics

Communication Acoustics
  • Author : Ville Pulkki,Matti Karjalainen
  • Publisher :Unknown
  • Release Date :2015-01-27
  • Total pages :454
  • ISBN : 9781118866542
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Summary : This book aims to convey to engineering students and researchers alike the relevant knowledge about the nature of acoustics, sound and hearing that will enable them to develop new technologies in this area through acquiring a thorough understanding of how sound and hearing works. There is currently no technical book available covering the communication path from sound sources through medium to the formation of auditory events in the brain – this book will fill this gap in the current book literature. It discusses the multidisciplinary area of acoustics, hearing, psychoacoustics, signal processing, speech and sound quality and is suitable for use as a main course textbook for senior undergraduate and graduate courses related to audio communication systems. It covers the basics of signal processing, traditional acoustics as well as the human hearing system and how to build audio techniques based on human hearing resolution. It discusses the technologies and applications for sound synthesis and reproduction, and for speech and audio quality evaluation.

Sound and Signals

Sound and Signals
  • Author : Mikio Tohyama
  • Publisher :Unknown
  • Release Date :2011-06-12
  • Total pages :394
  • ISBN : 3642201229
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Summary : This is an up-to-date reference and textbook on modern acoustics from a signal-theoretic point of view, as well as a wave-theoretic approach for students, engineers, and researchers. It provides readers the fundamental basis of acoustics and vibration science and proceeds up to recent hot topics related to acoustic transfer functions and signal analysis including a perceptual point of view. In the first part, the work uniquely introduces into the fundamentals without using heavy mathematics The following, advanced chapters deal with new and deep insights into acoustic signal analysis and investigation of room transfer functions based on the poles and zeros.

Digital Hearing Aids

Digital Hearing Aids
  • Author : Arthur Schaub
  • Publisher :Unknown
  • Release Date :2011-01-01
  • Total pages :188
  • ISBN : 9781604060072
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Summary : Digital Hearing Aids is an essential reference for information about the latest innovations in digital hearing aid technology. Concise descriptions and easy-to-reference tables and diagrams enable the reader to rapidly gain a solid understanding of digital signal processing, including such important topics as adaptive acoustic directionality, adaptive noise reduction, adaptive feedback cancellation, and sound classification. The book is divided into three main sections, with the first section providing an overview of foundational concepts, the second section presenting detailed analysis of state-of-the-art processing techniques, and the third section describing specific technical aspects of digital processing. Highlights: Each chapter opens with a brief overview of topics and questions, rapidly orienting the reader with the scope of the material presented Mathematical examples in the third section of the book allow the reader to work through practical calculations, comprehend the nuts and bolts of the processing schemes, and understand the benefits and limitations of each More than 170 illustrations and diagrams aid the comprehension of key concepts This handbook is ideal for audiologists, otolaryngologists, speech-language pathologists, and for other professionals involved in the applications of digital signal processing.

Acoustic Signals for Emergency Evacuation

Acoustic Signals for Emergency Evacuation
  • Author : Jerry V. Tobias
  • Publisher :Unknown
  • Release Date :1979
  • Total pages :23
  • ISBN : MINN:20000003863590
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Summary :

The Auditory System and Human Sound-Localization Behavior

The Auditory System and Human Sound-Localization Behavior
  • Author : John van Opstal
  • Publisher :Unknown
  • Release Date :2016-03-29
  • Total pages :436
  • ISBN : 9780128017258
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Summary : The Auditory System and Human Sound-Localization Behavior provides a comprehensive account of the full action-perception cycle underlying spatial hearing. It highlights the interesting properties of the auditory system, such as its organization in azimuth and elevation coordinates. Readers will appreciate that sound localization is inherently a neuro-computational process (it needs to process on implicit and independent acoustic cues). The localization problem of which sound location gave rise to a particular sensory acoustic input cannot be uniquely solved, and therefore requires some clever strategies to cope with everyday situations. The reader is guided through the full interdisciplinary repertoire of the natural sciences: not only neurobiology, but also physics and mathematics, and current theories on sensorimotor integration (e.g. Bayesian approaches to deal with uncertain information) and neural encoding. Quantitative, model-driven approaches to the full action-perception cycle of sound-localization behavior and eye-head gaze control Comprehensive introduction to acoustics, systems analysis, computational models, and neurophysiology of the auditory system Full account of gaze-control paradigms that probe the acoustic action-perception cycle, including multisensory integration, auditory plasticity, and hearing impaired

Official Gazette of the United States Patent Office

Official Gazette of the United States Patent Office
  • Author : United States. Patent Office
  • Publisher :Unknown
  • Release Date :1971-12
  • Total pages :229
  • ISBN : WISC:89049560881
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Summary :

The Technology of Binaural Listening

The Technology of Binaural Listening
  • Author : Jens Blauert
  • Publisher :Unknown
  • Release Date :2013-06-07
  • Total pages :511
  • ISBN : 9783642377624
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Summary : This book reports on the application of advanced models of the human binaural hearing system in modern technology, among others, in the following areas: binaural analysis of aural scenes, binaural de-reverberation, binaural quality assessment of audio channels, loudspeakers and performance spaces, binaural perceptual coding, binaural processing in hearing aids and cochlea implants, binaural systems in robots, binaural/tactile human-machine interfaces, speech-intelligibility prediction in rooms and/or multi-speaker scenarios. An introduction to binaural modeling and an outlook to the future are provided. Further, the book features a MATLAB toolbox to enable readers to construct their own dedicated binaural models on demand.

Ocean Noise and Marine Mammals

Ocean Noise and Marine Mammals
  • Author : National Research Council,Division on Earth and Life Studies,Ocean Studies Board,Committee on Potential Impacts of Ambient Noise in the Ocean on Marine Mammals
  • Publisher :Unknown
  • Release Date :2003-06-22
  • Total pages :220
  • ISBN : 9780309085366
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Summary : For the 119 species of marine mammals, as well as for some other aquatic animals, sound is the primary means of learning about the environment and of communicating, navigating, and foraging. The possibility that human-generated noise could harm marine mammals or significantly interfere with their normal activities is an issue of increasing concern. Noise and its potential impacts have been regulated since the passage of the Marine Mammal Protection Act of 1972. Public awareness of the issue escalated in 1990s when researchers began using high-intensity sound to measure ocean climate changes. More recently, the stranding of beaked whales in proximity to Navy sonar use has again put the issue in the spotlight. Ocean Noise and Marine Mammals reviews sources of noise in the ocean environment, what is known of the responses of marine mammals to acoustic disturbance, and what models exist for describing ocean noise and marine mammal responses. Recommendations are made for future data gathering efforts, studies of marine mammal behavior and physiology, and modeling efforts necessary to determine what the long- and short-term impacts of ocean noise on marine mammals.