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Comparison Of Speech Recognition Performance Obtained With Three Prescriptive Methods
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Book Synopsis Comparison of Speech-recognition Performance Obtained with Three Prescriptive Methods by : Troy Alan Hackett
Download or read book Comparison of Speech-recognition Performance Obtained with Three Prescriptive Methods written by Troy Alan Hackett and published by . This book was released on 1989 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Essentials of Modern Hearing Aids by : Todd A. Ricketts
Download or read book Essentials of Modern Hearing Aids written by Todd A. Ricketts and published by Plural Publishing. This book was released on 2017-12-31 with total page 905 pages. Available in PDF, EPUB and Kindle. Book excerpt: Essentials of Modern Hearing Aids: Selection, Fitting, and Verification is a comprehensive textbook, ideal for graduate-level amplification courses in audiology programs. It also is the ultimate go-to reference for anyone fitting and dispensing hearing aids. This is truly an "A to Z" textbook, with topics including audiologic prefitting testing, needs assessment and treatment planning, hearing aid selection, verification, orientation and counseling, post-fitting follow-up, and real-world validation. Moreover, a substantial portion of the book reviews the underlying up-to-date design and function of digital hearing aid components, circuitry and processing, the wide assortment of hearing aid features, and the many algorithms that make these features work successfully. The world-renowned authors have included numerous prefitting and post-fitting tests that can be conducted along with step-by-step protocols for their administration and scoring. They also review the selection of hearing aid styles and fitting arrangements, explain the process of obtaining an ear impression, and making critical decisions regarding earmolds and hearing aid plumbing. Essentials of Modern Hearing Aidsprovides guidance for selecting prescriptive fitting approaches and detailed protocols for the use of behavioral measures and real-ear speech mapping to both verify the fitting and assess special hearing aid features. Follow-up care and validation options also are reviewed, with detailed guidelines for using a wide range of outcome measures. Key Features Included throughout the text are short paragraphs identified as "Technical Tips," "Key Concepts," "Things to Remember," "Points to Ponder," and "Soapbox" for quick reference.The text covers both foundation and direct clinical application.The veteran authors have over 100 years of combined experience in day-to-day patient care and clinical research.The book is infused with humor throughout! Written in an accessible and easy-to-read style, this text includes not only reference information, but also tools supported by research and clinical experience. The information is presented in a way that is both accessible to clinical students with little experience in the field and with enough depth for even the serious hearing aid researcher. The text is also appropriate as a handy companion for busy clinicians - a friendly resource where they can quickly find critical information needed for the next patient. *Disclaimer: Please note that ancillary content (such as documents, audio, and video, etc.) may not be included as published in the original print version of this book.
Book Synopsis A Comparison of Three Noisy Speech Recognition Approaches by : O. Siohan
Download or read book A Comparison of Three Noisy Speech Recognition Approaches written by O. Siohan and published by . This book was released on 1994 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Speech recognition in noise environment by :
Download or read book Speech recognition in noise environment written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Este trabalho apresenta um estudo comparativo de três técnicas de melhoria das taxas de reconhecimento de voz em ambiente adverso, a saber: Normalização da Média Cepestral (CMN), Subtração Espectral e Regressão Linear no Sentido da Máxima Verossimilhança (MLLR), aplicadas isoladamente e em concomitância, duas a duas. Os testes são realizados usando um sistema simples: reconhecimento de palavras isoladas (dígitos de zero a nove, e meia), modo dependente do locutor, modelos ocultos de Markov do tipo contínuo, e vetores de atributos com doze coeficientes cepestrais derivados da análise de predição linear. São adotados três tipos de ruído (gaussiano branco, falatório e de fábrica) em nove razões sinal-ruído diferentes. Os resultados experimentais demonstram que o emprego isolado das técnicas de reconhecimento robusto é, em geral, vantajoso, pois nas diversas razões sinal-ruído para as quais os testes são efetuados, quando as taxas de reconhecimento não sofrem um acréscimo, mantém-se as mesmas obtidas quando não se aplica nenhum método de aumento da robustez. Analisando-se comparativamente as implementações isoladas e simultânea das técnicas, constata-se que a simultânea nem sempre é atraente, dependendo da dupla empregada. Apresentam-se, ainda, os resultados decorrentes do uso de modelos ruidosos, observando-se que, embora sejam inegavelmente melhores, sua utilização é inviável na prática. Das técnicas implementadas, a que representa resultados mais próximos ao emprego de modelos ruidosos é a MLLR, seguida pela CMN, e por último pela Subtração Espectral. Estas últimas, embora percam em desempenho para a primeira, apresentam como vantagem a simplicidade e a generalidade. No que concerne as técnicas usadas concomitantemente, a dupla Subtração Espectral e MLLR é a considerada de melhor performance, pois mostra-se conveniente em relação ao emprego isolado de ambos os métodos, o que nem sempre ocorre com o uso de outras combinações das técnicas individuais.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reducing Development Costs of Large Vocabulary Speech Recognition Systems by : Thiago Fraga Da Silva
Download or read book Reducing Development Costs of Large Vocabulary Speech Recognition Systems written by Thiago Fraga Da Silva and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the outstanding challenges in large vocabulary automatic speech recognition (ASR) is the reduction of development costs required to build a new recognition system or adapt an existing one to a new task, language or dialect. The state-of-the-art ASR systems are based on the principles of the statistical learning paradigm, using information provided by two stochastic models, an acoustic (AM) and a language (LM) model. The standard methods used to estimate the parameters of such models are founded on two main assumptions : the training data sets are large enough, and the training data match well the target task. It is well-known that a great part of system development costs is due to the construction of corpora that fulfill these requirements. In particular, manually transcribing the audio data is the most expensive and time-consuming endeavor. For some applications, such as the recognition of low resourced languages or dialects, finding and collecting data is also a hard (and expensive) task. As a means to lower the cost required for ASR system development, this thesis proposes and studies methods that aim to alleviate the need for manually transcribing audio data for a given target task. Two axes of research are explored. First, unsupervised training methods are explored in order to build three of the main components of ASR systems : the acoustic model, the multi-layer perceptron (MLP) used to extract acoustic features and the language model. The unsupervised training methods aim to estimate the model parameters using a large amount of automatically (and inaccurately) transcribed audio data, obtained thanks to an existing recognition system. A novel method for unsupervised AM training that copes well with the automatic audio transcripts is proposed : the use of multiple recognition hypotheses (rather than the best one) leads to consistent gains in performance over the standard approach. Unsupervised MLP training is proposed as an alternative to build efficient acoustic models in a fully unsupervised way. Compared to cross-lingual MLPs trained in a supervised manner, the unsupervised MLP leads to competitive performance levels even if trained on only about half of the data amount. Unsupervised LM training approaches are proposed to estimate standard back-off n-gram and neural network language models. It is shown that unsupervised LM training leads to additive gains in performance on top of unsupervised AM training. Second, this thesis proposes the use of model interpolation as a rapid and flexible way to build task specific acoustic models. In reported experiments, models obtained via interpolation outperform the baseline pooled models and equivalent maximum a posteriori (MAP) adapted models. Interpolation proves to be especially useful for low resourced dialect ASR. When only a few (2 to 3 hours) or no acoustic data truly matching the target dialect are available for AM training, model interpolation leads to substantial performance gains compared to the standard training methods.
Book Synopsis Connectionist Speech Recognition by : Hervé A. Bourlard
Download or read book Connectionist Speech Recognition written by Hervé A. Bourlard and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Connectionist Speech Recognition: A Hybrid Approach describes the theory and implementation of a method to incorporate neural network approaches into state of the art continuous speech recognition systems based on hidden Markov models (HMMs) to improve their performance. In this framework, neural networks (and in particular, multilayer perceptrons or MLPs) have been restricted to well-defined subtasks of the whole system, i.e. HMM emission probability estimation and feature extraction. The book describes a successful five-year international collaboration between the authors. The lessons learned form a case study that demonstrates how hybrid systems can be developed to combine neural networks with more traditional statistical approaches. The book illustrates both the advantages and limitations of neural networks in the framework of a statistical systems. Using standard databases and comparison with some conventional approaches, it is shown that MLP probability estimation can improve recognition performance. Other approaches are discussed, though there is no such unequivocal experimental result for these methods. Connectionist Speech Recognition is of use to anyone intending to use neural networks for speech recognition or within the framework provided by an existing successful statistical approach. This includes research and development groups working in the field of speech recognition, both with standard and neural network approaches, as well as other pattern recognition and/or neural network researchers. The book is also suitable as a text for advanced courses on neural networks or speech processing.
Book Synopsis Advances in Audiology and Hearing Science by : Stavros Hatzopoulos
Download or read book Advances in Audiology and Hearing Science written by Stavros Hatzopoulos and published by CRC Press. This book was released on 2020-06-09 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: With chapters from audiology professionals from around the world, Advances in Audiology and Hearing Science presented in two volumes—provides an abundance of information on the latest technological and procedural advances in this ever-improving field. Volume 1 primarily focuses on revised clinical protocols and provides information on new research to help guide decisions and criteria regarding diagnosis, management, and treatment of hearing-related issues. Topics include new clinical applications such as auditory steady-state response, wideband acoustic immittance, otoacoustic emissions, frequency following response, noise exposure, genomics and hearing loss, and more. Volume 2: Otoprotection, Regeneration, and Telemedicine includes sections with material related to hearing devices, hearing in special populations, such as the children and the elderly, as well chapters on the fast-growing subfields of otoprotection and regeneration, including pharmacologic otoprotection, stem cells, and nanotechnology.
Book Synopsis The Journal of Speech and Hearing Disorders by :
Download or read book The Journal of Speech and Hearing Disorders written by and published by . This book was released on 1986 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annual issue 1956- is the annual directory number of the American Speech and Hearing Association.
Book Synopsis Hearing Loss by : National Research Council
Download or read book Hearing Loss written by National Research Council and published by National Academies Press. This book was released on 2004-12-17 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Digital Hearing Healthcare by : Qinglin Meng
Download or read book Digital Hearing Healthcare written by Qinglin Meng and published by Frontiers Media SA. This book was released on 2022-12-05 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: We would like to acknowledge VCCA2020-Organizer Jan-Willem Wasmann, who has acted as coordinator and has contributed to the preparation of the proposal for this Research Topic. Dr. Qinglin Meng is working on an audio project for Huawei Technologies Co., Ltd. Dr. Jing Chen is working on research projects with Sonova AG. Dr. Fan-Gang Zeng owns stock in Axonics, Nurotron, Syntiant, Velox and Xsense. Dr. Dennis Barbour founded and owns equity in Bonauria. All other Topic Editor declare no conflicts of interest.
Book Synopsis Binaural Hearing by : Ruth Y. Litovsky
Download or read book Binaural Hearing written by Ruth Y. Litovsky and published by Springer Nature. This book was released on 2021-03-01 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of Binaural Hearing involves studies of auditory perception, physiology, and modeling, including normal and abnormal aspects of the system. Binaural processes involved in both sound localization and speech unmasking have gained a broader interest and have received growing attention in the published literature. The field has undergone some significant changes. There is now a much richer understanding of the many aspects that comprising binaural processing, its role in development, and in success and limitations of hearing-aid and cochlear-implant users. The goal of this volume is to provide an up-to-date reference on the developments and novel ideas in the field of binaural hearing. The primary readership for the volume is expected to be academic specialists in the diverse fields that connect with psychoacoustics, neuroscience, engineering, psychology, audiology, and cochlear implants. This volume will serve as an important resource by way of introduction to the field, in particular for graduate students, postdoctoral scholars, the faculty who train them and clinicians.
Book Synopsis Readings in Speech Recognition by : Alexander Waibel
Download or read book Readings in Speech Recognition written by Alexander Waibel and published by Elsevier. This book was released on 1990-12-25 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: After more than two decades of research activity, speech recognition has begun to live up to its promise as a practical technology and interest in the field is growing dramatically. Readings in Speech Recognition provides a collection of seminal papers that have influenced or redirected the field and that illustrate the central insights that have emerged over the years. The editors provide an introduction to the field, its concerns and research problems. Subsequent chapters are devoted to the main schools of thought and design philosophies that have motivated different approaches to speech recognition system design. Each chapter includes an introduction to the papers that highlights the major insights or needs that have motivated an approach to a problem and describes the commonalities and differences of that approach to others in the book.
Book Synopsis Cook & Hussey's Assistive Technologies by : Albert M. Cook
Download or read book Cook & Hussey's Assistive Technologies written by Albert M. Cook and published by Elsevier Health Sciences. This book was released on 2008-01-01 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: It's here: the latest edition of the one text you need to master assistive strategies, make confident clinical decisions, and help improve the quality of life for people with disabilities. Based on the Human Activity Assistive Technology (HAAT) model, Assistive Technologies: Principles and Practice, 4th Edition provides detailed coverage of the broad range of devices, services, and practices that comprise assistive technology, and focuses on the relationship between the human user and the assisted activity within specific contexts. Updated and expanded, this new edition features coverage of new ethical issues, more explicit applications of the HAAT model, and a variety of global issues highlighting technology applications and service delivery in developing countries. Human Activity Assistive Technology (HAAT) framework demonstrates assistive technology within common, everyday contexts for more relevant application. Focus on clinical application guides you in applying concepts to real-world situations. Review questions and chapter summaries in each chapter help you assess your understanding and identify areas where more study is needed. Content on the impact of AT on children and the role of AT in play and education for children with disabilities demonstrates how AT can be used for early intervention and to enhance development. Coverage of changing AT needs throughout the lifespan emphasizes how AT fits into people's lives and contributes to their full participation in society. Principles and practice of assistive technology provides the foundation for effective decision-making. NEW! Global issues content broadens the focus of application beyond North America to include technology applications and service delivery in developing countries. NEW! Ethical issues and occupational justice content exposes you to vital information as you start interacting with clients. NEW! More case studies added throughout the text foster an understanding of how assistive technologies are used and how they function. NEW! Updated content reflects current technology and helps keep you current. NEW! Explicit applications of the HAAT model in each of the chapters on specific technologies and more emphasis on the interactions among the elements make content even easier to understand.
Book Synopsis Speech Levels in Various Noise Environments by : Karl S. Pearsons
Download or read book Speech Levels in Various Noise Environments written by Karl S. Pearsons and published by . This book was released on 1977 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Rehabilitation R & D by :
Download or read book Journal of Rehabilitation R & D written by and published by . This book was released on 1997 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Rehabilitation Research and Development by :
Download or read book Journal of Rehabilitation Research and Development written by and published by . This book was released on 1996-02 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt: