Auditory Sound Transmission
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Auditory Sound Transmission
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Author : Jozef J. Zwislocki
language : en
Publisher: Psychology Press
Release Date : 2002-01-01
Auditory Sound Transmission written by Jozef J. Zwislocki and has been published by Psychology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-01-01 with Psychology categories.
Auditory Sound Transmission provides an integrated, state-of-the-art description and quantitative analysis of sound transmission from the outer ear to the sensory cells in the cochlea of the inner ear. It describes in detail the structures and mechanisms involved and gives their input and transmission characteristics. It shows how sound transmission in one part of the ear depends on the input characteristics of the next part and how sound is analyzed in the inner ear before it reaches the nervous system. The book is divided into seven chapters. The first gives the general overview of the path of sound in the ear. The second concerns the acoustics of the outer ear which is important not only for sound transmission in the ear but also for the design and calibration of earphones, as well as for clinical and research measurements of sound pressure in the ear canal. The third chapter analyzes the middle ear function which is crucial for adapting the conditions of sound propagation in the air to those in the inner ear fluids. The middle ear is prone to various malfunctions, and it is shown how they change the acoustic conditions measured in the ear canal and can be diagnosed on this basis. The next three chapters are dedicated to the most intricate mechanical part of the auditory system, the cochlea. Because of its complexity, its function is explained in three steps: first, with the help of simplifications produced by death; second, on the basis of the measured characteristics of the live organ; third, with the help of quantitative analysis. The last chapter describes cochlear mechanisms underlying pitch and loudness perception.
Basic Of Sound And Hearing
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Author : prof.ibrahim elnoshokaty
language : en
Publisher: ibrahim elnoshokaty
Release Date :
Basic Of Sound And Hearing written by prof.ibrahim elnoshokaty and has been published by ibrahim elnoshokaty this book supported file pdf, txt, epub, kindle and other format this book has been release on with Technology & Engineering categories.
Sound Propagation Sound propagates through air as a longitudinal wave. The speed of sound is determined by the properties of the air, and not by the frequency or amplitude of the sound. Sound waves, as well as most other types of waves, can be described in terms of the following basic wave phenomena.
Influence Of Phonation On High Intensity Sound Transmission In The Auditory System
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Author : Heather Dorrelle McBay
language : en
Publisher:
Release Date : 1971
Influence Of Phonation On High Intensity Sound Transmission In The Auditory System written by Heather Dorrelle McBay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Hearing categories.
Impedance And Sound Transmission In The Auditory Periphery Of The Chinchilla
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Author : Steven Paul Dear
language : en
Publisher:
Release Date : 1987
Impedance And Sound Transmission In The Auditory Periphery Of The Chinchilla written by Steven Paul Dear and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
Investigation Of The Sound Transmission In The Ear
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Author : Syracuse University
language : en
Publisher:
Release Date : 1962
Investigation Of The Sound Transmission In The Ear written by Syracuse University and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Ear categories.
The Auditory System Of The Auckland Tree Weta Hemideina Thoracica
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Author : Kathryn F. Lomas
language : en
Publisher:
Release Date : 2010
The Auditory System Of The Auckland Tree Weta Hemideina Thoracica written by Kathryn F. Lomas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Tree wetas categories.
The aim of this thesis is to examine the structure and function of the auditory system of the Auckland tree weta Hemideina thoracica, an iconic endemic insect of New Zealand (Orthoptera, Anostostomatidae). H. thoracica hear in a narrow frequency range relevant to conspecific communication. The thresholds and firing rates of the tympanal organ receptors and auditory interneurons were measured. Results showed that males responded most strongly to frequencies relevant to intraspecific communication indicating that acoustic communication by male weta may have a more important role in intrasexual competition rather than mate choice. Weta hear with typical ensiferan prothoracic tibial ears located on each foreleg. Each ear comprises three functional parts: two equally sized tympanal membranes, an underlying system of highly modified tracheal chambers, and the auditory sensory organ, the crista acustica. Weta have the thickest and largest membranes so far described in any insect. It is expected that a membrane of this thickness would have low impedance. However, Hemideina have extremely sensitive hearing. microscanning laser Doppler vibrometry was used to determine how such a tympanal membrane vibrates in response to sound and whether the sclerotised region plays a role in hearing. The tympanum displays a single resonance at the calling frequency of the weta, an unusual example of insect tympana acting as a narrow bandpass filter. To determine what internal mechanisms in the weta are responsible for fine-scale frequency discrimination, measurements taken from high-resolution three-dimensional models of the complete weta ear, combined with vibration analysis of the tympanal deflections in response to sound waves, to construct a theoretical model of sound transmission. The combination of using advanced histological techniques and three-dimensional modelling has allowed me to uncover a new structure (Olivarus) within the auditory system of weta that has not previously been described in any other insect hearing systems. Mass spectrometry analysis of the surrounding liquid has revealed this structure sits within lipids of an unknown type and this structure may be synthesizing the lipids. Three possible theories are presented of the role in hearing played by the Olivarus and lipid and suggest iv that a simple ancient insect auditory system is possibly homologous to that of the mammalian basilar membrane.
The Effects Of Sound On People
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Author : James P. Cowan
language : en
Publisher: John Wiley & Sons
Release Date : 2016-03-22
The Effects Of Sound On People written by James P. Cowan and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-22 with Technology & Engineering categories.
Provides a summary of current research results on the physiological and psychological effects of sound on people Covers how the operation of the hearing mechanism affects our reactions to sounds Includes research results from studies on noise sources of public concern such as transportation, public utility, and recreational sources, with emphasis on low frequency sound and infrasound Covers sounds that affect some but not others, how sounds can be controlled on a practical level, and how and what sounds are regulated Includes coverage of both positive and negative effects of sound
Introduction To The Theory Of Sound Transmission
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Author : Charles B. Officer
language : en
Publisher: McGraw-Hill Companies
Release Date : 1958
Introduction To The Theory Of Sound Transmission written by Charles B. Officer and has been published by McGraw-Hill Companies this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Science categories.
Sound Transmission In Clinical Otosclerosis
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Author : Curt Rytzner
language : de
Publisher:
Release Date : 1954
Sound Transmission In Clinical Otosclerosis written by Curt Rytzner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Hearing categories.
Sound Transmission In Clinical Otoselerosis
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Author : Curt Rytzner
language : sv
Publisher:
Release Date : 1954
Sound Transmission In Clinical Otoselerosis written by Curt Rytzner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with categories.