Mechanisms Of Speech Recognition
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Mechanisms Of Speech Recognition
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Author : W. A. Ainsworth
language : en
Publisher: Elsevier
Release Date : 2014-05-18
Mechanisms Of Speech Recognition written by W. A. Ainsworth and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-18 with Medical categories.
Mechanisms of Speech Recognition explores the mechanisms underlying speech recognition. Topics covered include the auditory system, speech production, auditory psychophysics, speech synthesis and analysis, vowel and consonant recognition, and perception of prosodic features and of distorted speech. Automatic speech recognition and models of speech recognition are also given consideration. This volume consists of 11 chapters and begins with an overview of speech recognition, communication, and production. More specifically, it examines the way in which the organs of the vocal apparatus are employed to transform a message consisting of a string of linguistic units, such as words or phonemes, into a wave of continuous sounds which are recognized as speech. The auditory system and its parts are then described, from the ears to the organ of Corti and nerve cells. The chapters that follow focus on the behavior of the hearing system, the various techniques of analyzing speech sounds, and speech synthesizers such as vocoders. The mechanisms underlying the recognition of vowels and consonants are also described, along with the physical parameters of the speech wave which signal the prosody of an utterance, the effects of distortions in the speech wave on speech perception, and tools used in automatic speech recognition. The book concludes with an evaluation of models of speech recognition. This book will be of interest to phoneticians, linguists, physiologists, psychologists, and physicists.
Mechanisms Of Speech Recognition
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Author : William Anthony Ainsworth
language : en
Publisher: Pergamon
Release Date : 1976-01-01
Mechanisms Of Speech Recognition written by William Anthony Ainsworth and has been published by Pergamon this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976-01-01 with Auditory perception categories.
Describes the acoustics of speech production & the mechanisms of the ear. Introduces psychological techniques to show the sensitivity & limits of hearing. Describes methods of analysing & synthesizing speech sounds. Gives an introduction to the machine recognition of speech.
Audiovisual Speech Recognition Correspondence Between Brain And Behavior
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Author : Nicholas Altieri
language : en
Publisher: Frontiers E-books
Release Date : 2014-07-09
Audiovisual Speech Recognition Correspondence Between Brain And Behavior written by Nicholas Altieri and has been published by Frontiers E-books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-09 with Brain categories.
Perceptual processes mediating recognition, including the recognition of objects and spoken words, is inherently multisensory. This is true in spite of the fact that sensory inputs are segregated in early stages of neuro-sensory encoding. In face-to-face communication, for example, auditory information is processed in the cochlea, encoded in auditory sensory nerve, and processed in lower cortical areas. Eventually, these “sounds” are processed in higher cortical pathways such as the auditory cortex where it is perceived as speech. Likewise, visual information obtained from observing a talker’s articulators is encoded in lower visual pathways. Subsequently, this information undergoes processing in the visual cortex prior to the extraction of articulatory gestures in higher cortical areas associated with speech and language. As language perception unfolds, information garnered from visual articulators interacts with language processing in multiple brain regions. This occurs via visual projections to auditory, language, and multisensory brain regions. The association of auditory and visual speech signals makes the speech signal a highly “configural” percept. An important direction for the field is thus to provide ways to measure the extent to which visual speech information influences auditory processing, and likewise, assess how the unisensory components of the signal combine to form a configural/integrated percept. Numerous behavioral measures such as accuracy (e.g., percent correct, susceptibility to the “McGurk Effect”) and reaction time (RT) have been employed to assess multisensory integration ability in speech perception. On the other hand, neural based measures such as fMRI, EEG and MEG have been employed to examine the locus and or time-course of integration. The purpose of this Research Topic is to find converging behavioral and neural based assessments of audiovisual integration in speech perception. A further aim is to investigate speech recognition ability in normal hearing, hearing-impaired, and aging populations. As such, the purpose is to obtain neural measures from EEG as well as fMRI that shed light on the neural bases of multisensory processes, while connecting them to model based measures of reaction time and accuracy in the behavioral domain. In doing so, we endeavor to gain a more thorough description of the neural bases and mechanisms underlying integration in higher order processes such as speech and language recognition.
Mechanism Of Speech Recognition
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Author : W. A. Ainsworth
language : en
Publisher:
Release Date : 1976
Mechanism Of Speech Recognition written by W. A. Ainsworth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
Speaker Perception And Recognition An Integrative Framework For Computational Speech Processing
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Author : Oxana Lapteva
language : en
Publisher: kassel university press GmbH
Release Date : 2011
Speaker Perception And Recognition An Integrative Framework For Computational Speech Processing written by Oxana Lapteva and has been published by kassel university press GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Automatic speech recognition categories.
Digital Speech Processing
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Author : Sadaoki Furui
language : en
Publisher: CRC Press
Release Date : 2018-05-04
Digital Speech Processing written by Sadaoki Furui and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-04 with Technology & Engineering categories.
A study of digital speech processing, synthesis and recognition. This second edition contains new sections on the international standardization of robust and flexible speech coding techniques, waveform unit concatenation-based speech synthesis, large vocabulary continuous-speech recognition based on statistical pattern recognition, and more.
Pattern Recognition By Humans And Machines
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Author : Eileen C. Schwab
language : en
Publisher: Academic Press
Release Date : 2013-09-11
Pattern Recognition By Humans And Machines written by Eileen C. Schwab and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-11 with Reference categories.
Pattern Recognition by Humans and Machines, Volume 1: Speech Perception covers perception from the perspectives of cognitive psychology, artificial intelligence, and brain theory. The book discusses on the research, theory, and the principal issues of speech perception; the auditory and phonetic coding of speech; and the role of the lexicon in speech perception. The text also describes the role of attention and active processing in speech perception; the suprasegmental in very large vocabulary word recognition; and the adaptive self-organization of serial order in behavior. The cognitive science and the study of cognition and language are also considered. Psychologists will find the book invaluable.
Neural Mechanisms Of Perceptual Categorization As Precursors To Speech Perception
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Author : Einat Liebenthal
language : en
Publisher: Frontiers Media SA
Release Date : 2017-05-03
Neural Mechanisms Of Perceptual Categorization As Precursors To Speech Perception written by Einat Liebenthal and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-03 with categories.
Perceptual categorization is fundamental to the brain’s remarkable ability to process large amounts of sensory information and efficiently recognize objects including speech. Perceptual categorization is the neural bridge between lower-level sensory and higher-level language processing. A long line of research on the physical properties of the speech signal as determined by the anatomy and physiology of the speech production apparatus has led to descriptions of the acoustic information that is used in speech recognition (e.g., stop consonants place and manner of articulation, voice onset time, aspiration). Recent research has also considered what visual cues are relevant to visual speech recognition (i.e., the visual counter-parts used in lipreading or audiovisual speech perception). Much of the theoretical work on speech perception was done in the twentieth century without the benefit of neuroimaging technologies and models of neural representation. Recent progress in understanding the functional organization of sensory and association cortices based on advances in neuroimaging presents the possibility of achieving a comprehensive and far reaching account of perception in the service of language. At the level of cell assemblies, research in animals and humans suggests that neurons in the temporal cortex are important for encoding biological categories. On the cellular level, different classes of neurons (interneurons and pyramidal neurons) have been suggested to play differential roles in the neural computations underlying auditory and visual categorization. The moment is ripe for a research topic focused on neural mechanisms mediating the emergence of speech representations (including auditory, visual and even somatosensory based forms). Important progress can be achieved by juxtaposing within the same research topic the knowledge that currently exists, the identified lacunae, and the theories that can support future investigations. This research topic provides a snapshot and platform for discussion of current understanding of neural mechanisms underlying the formation of perceptual categories and their relationship to language from a multidisciplinary and multisensory perspective. It includes contributions (reviews, original research, methodological developments) pertaining to the neural substrates, dynamics, and mechanisms underlying perceptual categorization and their interaction with neural processes governing speech perception.
Speech Processing In The Auditory System
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Author : Steven Greenberg
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-05-09
Speech Processing In The Auditory System written by Steven Greenberg and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-09 with Science categories.
Although speech is the primary behavioral medium by which humans communicate, its auditory basis is poorly understood, having profound implications on efforts to ameliorate the behavioral consequences of hearing impairment and on the development of robust algorithms for computer speech recognition. In this volume, the authors provide an up-to-date synthesis of recent research in the area of speech processing in the auditory system, bringing together a diverse range of scientists to present the subject from an interdisciplinary perspective. Of particular concern is the ability to understand speech in uncertain, potentially adverse acoustic environments, currently the bane of both hearing aid and speech recognition technology. There is increasing evidence that the perceptual stability characteristic of speech understanding is due, at least in part, to elegant transformations of the acoustic signal performed by auditory mechanisms. As a comprehensive review of speech's auditory basis, this book will interest physiologists, anatomists, psychologists, phoneticians, computer scientists, biomedical and electrical engineers, and clinicians.
Speech Recognition In Adverse Conditions
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Author : Sven Mattys
language : en
Publisher: Psychology Press
Release Date : 2013-12-19
Speech Recognition In Adverse Conditions written by Sven Mattys and has been published by Psychology Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-19 with Psychology categories.
Speech recognition in ‘adverse conditions’ has been a familiar area of research in computer science, engineering, and hearing sciences for several decades. In contrast, most psycholinguistic theories of speech recognition are built upon evidence gathered from tasks performed by healthy listeners on carefully recorded speech, in a quiet environment, and under conditions of undivided attention. Building upon the momentum initiated by the Psycholinguistic Approaches to Speech Recognition in Adverse Conditions workshop held in Bristol, UK, in 2010, the aim of this volume is to promote a multi-disciplinary, yet unified approach to the perceptual, cognitive, and neuro-physiological mechanisms underpinning the recognition of degraded speech, variable speech, speech experienced under cognitive load, and speech experienced by theoretically relevant populations. This collection opens with a review of the literature and a formal classification of adverse conditions. The research articles then highlight those adverse conditions with the greatest potential for constraining theory, showing that some speech phenomena often believed to be immutable can be affected by noise, surface variations, or attentional set in ways that will force researchers to rethink their theory. This volume is essential for those interested in speech recognition outside laboratory constraints.