Hearing Enhancement
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Amplification For The Hearing Impaired
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Author : Michael C. Pollack
language : en
Publisher:
Release Date : 1975
Amplification For The Hearing Impaired written by Michael C. Pollack and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Audiology categories.
Speech Enhancement Techniques For Digital Hearing Aids
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Author : Komal R. Borisagar
language : en
Publisher: Springer
Release Date : 2018-11-15
Speech Enhancement Techniques For Digital Hearing Aids written by Komal R. Borisagar and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-15 with Technology & Engineering categories.
This book provides various speech enhancement algorithms for digital hearing aids. It covers information on noise signals extracted from silences of speech signal. The description of the algorithm used for this purpose is also provided. Different types of adaptive filters such as Least Mean Squares (LMS), Normalized LMS (NLMS) and Recursive Lease Squares (RLS) are described for noise reduction in the speech signals. Different types of noises are taken to generate noisy speech signals, and therefore information on various noises signals is provided. The comparative performance of various adaptive filters for noise reduction in speech signals is also described. In addition, the book provides a speech enhancement technique using adaptive filtering and necessary frequency strength enhancement using wavelet transform as per the requirement of audiogram for digital hearing aids. Presents speech enhancement techniques for improving performance of digital hearing aids; Covers various types of adaptive filters and their advantages and limitations; Provides a hybrid speech enhancement technique using wavelet transform and adaptive filters.
Pediatric Amplification
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Author : Ryan W. McCreery
language : en
Publisher: Plural Publishing
Release Date : 2017-06-30
Pediatric Amplification written by Ryan W. McCreery and has been published by Plural Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-30 with Medical categories.
Pediatric Amplification: Enhancing Auditory Access is a comprehensive resource that focuses specifically on the process of fitting children with hearing aids, a population that is underrepresented in the scientific and clinical literature. The text is based on a theoretical framework that posits that well-fit, consistently worn hearing aids can optimize the auditory access of children with hearing loss. This theoretical framework serves as the basis for providing clinical care to children with hearing aids and their families. The content is organized around using best practices to provide aided audibility, promote consistent hearing aid use, and engage in high-quality linguistic input for children who wear hearing aids. The text is unique in its focus on the clinical management of amplification in the pediatric population using cutting-edge research based on the needs of children who are hard of hearing. It includes chapters dedicated to hearing assistance technology and case studies to illustrate the concepts presented. Pediatric Amplification is a professional resource for clinicians and audiologists who serve children who wear hearing aids and their families and can also be used in graduate courses for students in audiology, deaf education, and speech-language pathology.
Hearing Loss
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Author : M. Jennifer Derebery
language : en
Publisher: Plural Publishing
Release Date : 2009-09-15
Hearing Loss written by M. Jennifer Derebery and has been published by Plural Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-15 with Medical categories.
Handbook Of Hearing Aid Amplification Theoretical And Technical Considerations
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Author : Robert E. Sandlin
language : en
Publisher:
Release Date : 1988
Handbook Of Hearing Aid Amplification Theoretical And Technical Considerations written by Robert E. Sandlin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Hearing aids categories.
Hearing Conservation
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Author : Vishakha Rawool
language : en
Publisher: Thieme
Release Date : 2011-09-19
Hearing Conservation written by Vishakha Rawool and has been published by Thieme this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-19 with Medical categories.
According to the National Institutes of Occupational Safety and Health, approximately 30 million employees are exposed to dangerous noise levels at work and an additional nine million workers are at risk for hearing loss from other ototoxins such as metals and solvents. Millions of children and young adults are also at risk for noise-induced hearing loss in non-occupational settings. Hearing Conservation: In Occupational, Recreational, Education, and Home Settingsis the most current text to cover all major topics related to noise-induced hearing loss, including the military, construction, manufacturing, mining, transportation, the music industry, the home environment, education settings, and recreational arenas. From the underlying principles of hearing loss to audiometric testing procedures to assessment of hearing conservation programs, this book is packed with information for audiologists and other members of the interdisciplinary team who provide hearing conservation services for at-risk groups.Special Features: Many examples of audiometric data, that enhance understanding of all types of hearing impairment, test procedures, and standard threshold shift calculations Protocols for comprehensive audiological, tinnitus, and auditory processing evaluations Clinical pathways and follow-up action steps when a standard threshold shift is confirmed, including decisions about worker compensation in occupational settings Assessment of the effectiveness of a wide range of hearing conservation programs and correction of deficiencies, along with training, educational, and motivational techniques The most current information about hearing protection and enhancement devices, related regulations, selection and fitting, and training workers in how to use them for optimal results A set of discussion questions at the end of each chapter that stimulate review and classroom dialogue Comprehensive in scope, easily accessible, and useful to both clinicians and investigators,Hearing Conservation: In Occupational, Recreational, Education, and Home Settings is essential for audiologists, occupational hearing conservationists, otolaryngologists, internists, occupational nurses, noise control engineers, and any other practitioner who plays a role in developing, implementing, and maintaining hearing conservation measures. It is also an excellent text for graduate level audiology courses in hearing conservation.
Amplification Hearing Impaired
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Author : Michael C. Pollack
language : en
Publisher:
Release Date : 1989-09-01
Amplification Hearing Impaired written by Michael C. Pollack and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-09-01 with Audiology categories.
Digital Hearing Aids
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Author : James M. Kates
language : en
Publisher: Plural Publishing
Release Date : 2008-04-04
Digital Hearing Aids written by James M. Kates and has been published by Plural Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-04 with Medical categories.
Advanced Signal Enhancement Techniques With Application To Speech And Hearing
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Author : Navin Chatlani
language : en
Publisher:
Release Date : 2011
Advanced Signal Enhancement Techniques With Application To Speech And Hearing written by Navin Chatlani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Advanced signal enhancement techniques with application to speech and hearing are presented that are applied to areas including adaptive noise cancellation (ANC) in noisy speech signals, single channel noise reduction for speech enhancement, voice activity detection (VAD) and noise reduction in binaural hearing aids. The performance enhancement of the new techniques over competing approaches is presented. For the domains of ANC and single channel noise reduction, the use of Empirical Mode Decomposition (EMD) is the underpinning technique employed. A novel approach to dual-channel speech enhancement using Adaptive Empirical Mode Decomposition (SEAEMD) is also presented, when a noise reference is available. The new SEAEMD system incorporates the multi-resolution approach EMD with ANC for effective speech enhancement in stationary and non-stationary noise environments. Two novel Empirical Mode Decomposition based filtering (EMDF) algorithms are presented for single channel speech enhancement. The first system is designed to be particularly effective in low frequency noise environments. The second generalized EMDF system is designed to operate under other noisy conditions, with results presented for babble noise, military vehicle noise and car interior noise. It is shown that the proposed EMDF techniques enhance the speech more effectively than current speech enhancement approaches that use effective noise estimation routines. Speech systems such as hearing aids require fast and computationally inexpensive signal processing technologies. A new and computationally efficient 1-dimensional local binary pattern (1-D LBP) signal processing procedure is designed and applied to (i) signal segmentation and (ii) the VAD problem. Both applications use the underlying features extracted from the 1-D LBP. The simplicity and low computational complexity of 1-D LBP processing are demonstrated. A novel binaural noise reduction system is presented for steering the focus direction of a hearing aid (2 microphones per hearing aid) to additional directions as well as 0/180 degrees. The system places a spatial null in the direction of the target speaker to obtain a noise estimate. The noisy speech signal is then filtered to perform noise reduction, and thus focus on the target speaker located at the desired direction. The results demonstrate its performance at attenuating multiple directional interferers.
Speech Enhancement
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Author : Philipos C. Loizou
language : en
Publisher: CRC Press
Release Date : 2013-02-25
Speech Enhancement written by Philipos C. Loizou and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-25 with Technology & Engineering categories.
With the proliferation of mobile devices and hearing devices, including hearing aids and cochlear implants, there is a growing and pressing need to design algorithms that can improve speech intelligibility without sacrificing quality. Responding to this need, Speech Enhancement: Theory and Practice, Second Edition introduces readers to the basic problems of speech enhancement and the various algorithms proposed to solve these problems. Updated and expanded, this second edition of the bestselling textbook broadens its scope to include evaluation measures and enhancement algorithms aimed at improving speech intelligibility. Fundamentals, Algorithms, Evaluation, and Future Steps Organized into four parts, the book begins with a review of the fundamentals needed to understand and design better speech enhancement algorithms. The second part describes all the major enhancement algorithms and, because these require an estimate of the noise spectrum, also covers noise estimation algorithms. The third part of the book looks at the measures used to assess the performance, in terms of speech quality and intelligibility, of speech enhancement methods. It also evaluates and compares several of the algorithms. The fourth part presents binary mask algorithms for improving speech intelligibility under ideal conditions. In addition, it suggests steps that can be taken to realize the full potential of these algorithms under realistic conditions. What’s New in This Edition Updates in every chapter A new chapter on objective speech intelligibility measures A new chapter on algorithms for improving speech intelligibility Real-world noise recordings (on accompanying CD) MATLAB® code for the implementation of intelligibility measures (on accompanying CD) MATLAB and C/C++ code for the implementation of algorithms to improve speech intelligibility (on accompanying CD) Valuable Insights from a Pioneer in Speech Enhancement Clear and concise, this book explores how human listeners compensate for acoustic noise in noisy environments. Written by a pioneer in speech enhancement and noise reduction in cochlear implants, it is an essential resource for anyone who wants to implement or incorporate the latest speech enhancement algorithms to improve the quality and intelligibility of speech degraded by noise. Includes a CD with Code and Recordings The accompanying CD provides MATLAB implementations of representative speech enhancement algorithms as well as speech and noise databases for the evaluation of enhancement algorithms.