Spatial Audio Processing

Spatial Audio Processing

Author: Jeroen Breebaart

Publisher: John Wiley & Sons

Published: 2008-03-11

Total Pages: 224

ISBN-13: 9780470723487

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This book collects a wealth of information about spatial audio coding into one comprehensible volume. It is a thorough reference to the 3GPP and MPEG Parametric Stereo standards and the MPEG Surround multi-channel audio coding standard. It describes key developments in coding techniques, which is an important factor in the optimization of advanced entertainment, communications and signal processing applications. Until recently, technologies for coding audio signals, such as redundancy reduction and sophisticated source and receiver models did not incorporate spatial characteristics of source and receiving ends. Spatial audio coding achieves much higher compression ratios than conventional coders. It does this by representing multi-channel audio signals as a downmix signal plus side information that describes the perceptually-relevant spatial information. Written by experts in spatial audio coding, Spatial Audio Processing: reviews psychoacoustics (the relationship between physical measures of sound and the corresponding percepts) and spatial audio sound formats and reproduction systems; brings together the processing, acquisition, mixing, playback, and perception of spatial audio, with the latest coding techniques; analyses algorithms for the efficient manipulation of multiple, discrete and combined spatial audio channels, including both MP3 and MPEG Surround; shows how the same insights on source and receiver models can also be applied for manipulation of audio signals, such as the synthesis of virtual auditory scenes employing head-related transfer function (HRTF) processing and stereo to N-channel audio upmix. Audio processing research engineers and audio coding research and implementation engineers will find this an insightful guide. Academic audio and psychoacoustic researchers, including post-graduate and third/fourth year students taking courses in signal processing, audio and speech processing, and telecommunications, will also benefit from the information inside.


Spatial Audio

Spatial Audio

Author: Francis Rumsey

Publisher: CRC Press

Published: 2012-09-10

Total Pages: 256

ISBN-13: 1136119906

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Explores the principles and practical considerations of spatial sound recording and reproduction. Particular emphasis is given to the increasing importance of multichannel surround sound and 3D audio, including binaural approaches, without ignoring conventional stereo. The enhancement of spatial quality is arguably the only remaining hurdle to be overcome in pursuit of high quality sound reproduction. The rise of increasingly sophisticated spatial sound systems presents an enormous challenge to audio engineers, many of whom are confused by the possibilities and unfamiliar with standards, formats, track allocations, monitoring configurations and recording techniques. The author provides a comprehensive study of the current state of the art in spatial audio, concentrating on the most widely used approaches and configurations. Anyone wishing to expand their understanding of these cutting-edge technologies will want to own this book.


Immersive Sound

Immersive Sound

Author: Agnieszka Roginska

Publisher: Taylor & Francis

Published: 2017-10-17

Total Pages: 364

ISBN-13: 1317480112

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Immersive Sound: The Art and Science of Binaural and Multi-Channel Audio provides a comprehensive guide to multi-channel sound. With contributions from leading recording engineers, researchers, and industry experts, Immersive Sound includes an in-depth description of the physics and psychoacoustics of spatial audio as well as practical applications. Chapters include the history of 3D sound, binaural reproduction over headphones and loudspeakers, stereo, surround sound, height channels, object-based audio, soundfield (ambisonics), wavefield synthesis, and multi-channel mixing techniques. Knowledge of the development, theory, and practice of spatial and multi-channel sound is essential to those advancing the research and applications in the rapidly evolving fields of 3D sound recording, augmented and virtual reality, gaming, film sound, music production, and post-production.


Advances in Fundamental and Applied Research on Spatial Audio

Advances in Fundamental and Applied Research on Spatial Audio

Author: Brian F.G. Katz

Publisher: BoD – Books on Demand

Published: 2022-10-05

Total Pages: 234

ISBN-13: 1839690054

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Spatial audio is a dynamic and rapidly evolving field, as it is closely linked to advances in computer technology and digital signal processing. The democratization of virtual reality hardware available as consumer devices has moved the field further out of traditional laboratory research, and directly into applied research targeting a wide range of consumers. Advances in Fundamental and Applied Research on Spatial Audio presents a collection of eight peer-reviewed chapters on this exciting area of research. The contributions are organized into three sections: “Acoustic Methodology”, “Perception”, and “Applications”, and cover a range of topics, addressing both headphone- and loudspeaker-based reproductions, offering both methodological overviews and specific case studies.


Perceptual Audio Evaluation - Theory, Method and Application

Perceptual Audio Evaluation - Theory, Method and Application

Author: Søren Bech

Publisher: John Wiley & Sons

Published: 2007-01-11

Total Pages: 462

ISBN-13: 0470869240

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As audio and telecommunication technologies develop, there is an increasing need to evaluate the technical and perceptual performance of these innovations. A growing number of new technologies (e.g. low bit-rate coding) are based on specific properties of the auditory system, which are often highly non-linear. This means that the auditory quality of such systems cannot be measured by traditional physical measures (such as distortion, frequency response etc.), but only by perceptual evaluations in the form of listening tests. Perceptual Audio Evaluation provides a comprehensive guide to the many variables that need to be considered before, during and after experiments. Including the selection of the content of the programme material to be reproduced, technical aspects of the production of the programme material, the experimental set-up including calibration, and the statistical planning of the experiment and subsequent analysis of the data. Perceptual Audio Evaluation: Provides a complete and accessible guide to the motives, theory and practical application of perceptual evaluation of reproduced sound. Discusses all the variables of perceptual evaluation, their control and their possible influence on the results. Covers in detail all international standards on the topic. Is illustrated throughout with tables, figures and worked solutions. Perceptual Audio Evaluation will appeal to audio and speech engineers as well as researchers in audio and speech laboratories. Postgraduate students in engineering or acoustics and undergraduate students studying psychoacoustics, speech audio processing and signal processing will also find this an essential reference.


Spatial Audio

Spatial Audio

Author: Woon Seng Gan

Publisher: MDPI

Published: 2018-03-23

Total Pages: 363

ISBN-13: 3038425850

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This book is a printed edition of the Special Issue "Spatial Audio" that was published in Applied Sciences


Dynamics of Speech Production and Perception

Dynamics of Speech Production and Perception

Author: Pierre Divenyi

Publisher: IOS Press

Published: 2006

Total Pages: 394

ISBN-13: 9781586036669

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"Proceedings of the NATO Advanced Study Institute on Dynamics of Speech Production and Perception, Il Ciocco (Lucca), Italy, 23 June -6 July 2006"--T.p. verso.


Timbre: Acoustics, Perception, and Cognition

Timbre: Acoustics, Perception, and Cognition

Author: Kai Siedenburg

Publisher: Springer

Published: 2019-05-07

Total Pages: 392

ISBN-13: 3030148327

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Roughly defined as any property other than pitch, duration, and loudness that allows two sounds to be distinguished, timbre is a foundational aspect of hearing. The remarkable ability of humans to recognize sound sources and events (e.g., glass breaking, a friend’s voice, a tone from a piano) stems primarily from a capacity to perceive and process differences in the timbre of sounds. Timbre raises many important issues in psychology and the cognitive sciences, musical acoustics, speech processing, medical engineering, and artificial intelligence. Current research on timbre perception unfolds along three main fronts: On the one hand, researchers explore the principal perceptual processes that orchestrate timbre processing, such as the structure of its perceptual representation, sound categorization and recognition, memory for timbre, and its ability to elicit rich semantic associations, as well as the underlying neural mechanisms. On the other hand, timbre is studied as part of specific scenarios, including the perception of the human voice, as a structuring force in music, as perceived with cochlear implants, and through its role in affecting sound quality and sound design. Finally, computational acoustic models are sought through prediction of psychophysical data, physiologically inspired representations, and audio analysis-synthesis techniques. Along these three scientific fronts, significant breakthroughs have been achieved during the last decade. This volume will be the first book dedicated to a comprehensive and authoritative presentation of timbre perception and cognition research and the acoustic modeling of timbre. The volume will serve as a natural complement to the SHAR volumes on the basic auditory parameters of Pitch edited by Plack, Oxenham, Popper, and Fay, and Loudness by Florentine, Popper, and Fay. Moreover, through the integration of complementary scientific methods ranging from signal processing to brain imaging, the book has the potential to leverage new interdisciplinary synergies in hearing science. For these reasons, the volume will be exceptionally valuable to various subfields of hearing science, including cognitive auditory neuroscience, psychoacoustics, music perception and cognition, but may even exert significant influence on fields such as musical acoustics, music information retrieval, and acoustic signal processing. It is expected that the volume will have broad appeal to psychologists, neuroscientists, and acousticians involved in research on auditory perception and cognition. Specifically, this book will have a strong impact on hearing researchers with interest in timbre and will serve as the key publication and up-to-date reference on timbre for graduate students, postdoctoral researchers, as well as established scholars.


The Bloomsbury Handbook of Sonic Methodologies

The Bloomsbury Handbook of Sonic Methodologies

Author: Michael Bull

Publisher: Bloomsbury Publishing USA

Published: 2020-12-10

Total Pages: 849

ISBN-13: 1501338765

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The field of Sound Studies has changed and developed dramatically over the last two decades involving a vast and dizzying array of work produced by those working in the arts, social sciences and sciences. The study of sound is inherently interdisciplinary and is undertaken both by those who specialize in sound and by others who wish to include sound as an intrinsic and indispensable element in their research. This is the first resource to provide a wide ranging, cross-cultural and interdisciplinary investigation and analysis of the ways in which researchers use a broad range of methodologies in order to pursue their sonic investigations. It brings together 49 specially commissioned chapters that ask a wide range of questions including; how can sound be used in current academic disciplines? Is sound as a methodological tool indispensable for Sound Studies and what can sound artists contribute to the discourse on methodology in Sound Studies? The editors also present 3 original chapters that work as provocative 'sonic methodological interventions' prefacing the 3 sections of the book.