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Author: William G. Gardner
Publisher: Springer Science & Business Media
ISBN: 9780792381563
Category : Technology & Engineering
Languages : en
Pages : 176
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Book Description
3-D Audio Using Loudspeakers is concerned with 3-D audio systems implemented using a pair of conventional loudspeakers. A well-known problem with these systems is the requirement that the listener be properly positioned for the 3-D illusion to function correctly. This book proposes using the tracked position of the listener's head to optimize the acoustical presentation, thus producing a much more realistic illusion over a larger listening area than existing loudspeaker 3-D audio systems. Head-tracking can be accomplished by applying pattern recognition techniques to images obtained from a video camera. Thus, an immersive audio environment can be created without donning headphones or other equipment. 3-D Audio Using Loudspeakers discusses the theory, implementation, and testing of a head-tracked loudspeaker 3-D audio system. Crosstalk cancellers that can be steered to the location of a tracked listener are described. The objective performance of these systems has been evaluated using simulations and acoustical measurements made at the ears of human subjects. Many sound localization experiments were also conducted; the results show that head-tracking both significantly improves localization when the listener is displaced from the ideal listening location, and also enables dynamic localization cues. Much of the theory and experimental results presented are also applicable to loudspeaker 3-D audio systems in general, not just head-tracked ones. 3-D Audio Using Loudspeakers is of interest to researchers studying virtual acoustic displays, and to engineers developing the same. The book serves as a valuable reference to anyone working in this field.
Author: William G. Gardner
Publisher: Springer Science & Business Media
ISBN: 9780792381563
Category : Technology & Engineering
Languages : en
Pages : 176
Get Book Here
Book Description
3-D Audio Using Loudspeakers is concerned with 3-D audio systems implemented using a pair of conventional loudspeakers. A well-known problem with these systems is the requirement that the listener be properly positioned for the 3-D illusion to function correctly. This book proposes using the tracked position of the listener's head to optimize the acoustical presentation, thus producing a much more realistic illusion over a larger listening area than existing loudspeaker 3-D audio systems. Head-tracking can be accomplished by applying pattern recognition techniques to images obtained from a video camera. Thus, an immersive audio environment can be created without donning headphones or other equipment. 3-D Audio Using Loudspeakers discusses the theory, implementation, and testing of a head-tracked loudspeaker 3-D audio system. Crosstalk cancellers that can be steered to the location of a tracked listener are described. The objective performance of these systems has been evaluated using simulations and acoustical measurements made at the ears of human subjects. Many sound localization experiments were also conducted; the results show that head-tracking both significantly improves localization when the listener is displaced from the ideal listening location, and also enables dynamic localization cues. Much of the theory and experimental results presented are also applicable to loudspeaker 3-D audio systems in general, not just head-tracked ones. 3-D Audio Using Loudspeakers is of interest to researchers studying virtual acoustic displays, and to engineers developing the same. The book serves as a valuable reference to anyone working in this field.
Author: Durand R. Begault
Publisher:
ISBN:
Category : Computer sound processing
Languages : en
Pages : 248
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Book Description
Author: Klaus Miesenberger
Publisher: Springer
ISBN: 3540454918
Category : Computers
Languages : en
Pages : 818
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Book Description
Success and e?ciency are the latest standards and scales of our society. Virtual surroundings and communication rooms, electronic portals and platforms are pushing us into a new world of personal and professional interaction and c- peration. The network to subdue violence is fragile and crumbly, tradition is no longer a power of our community. What of leisure time, dreams, and fantasy? What of education in the family, at school and at university? Travelling round the world to develop yourself –how man becomes man: pleading for a new determination of the idea of education –a mission of past centuries inadequate nowadays? Regarding September 11th last year, the con?icts and confrontations round the globe, and events in our direct surroundings these questions seem to be a cry at least to re?ect upon what is happening around us and where we –all of us –still play an active role. An International Conference on Computers Helping People with Special Needs is like an island –is this a topic at all these days, is it worth disc- sing the area of ICT and the situation of people with disabilities, persons who are segregated from developing their personal and professional careers? Indeed the biennial meeting has never included these actualities, but the basic idea behind ICCHP, starting in 1989, was to focus on these fringe groups and to o?er a platform of exchange on all aspects of Human Computer Interaction and the usage of ICT for people with special needs.
Author: Edwin Pfanzagl-Cardone
Publisher: Springer Nature
ISBN: 3031230469
Category : Technology & Engineering
Languages : en
Pages : 433
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Book Description
This professional book offers a unique, comprehensive and timely guide on 3D audio recording. Intended for sound engineers and professionals, and summarizing more than twenty-year research on this topic, it includes extensive information and details on various microphone techniques and loudspeaker layouts, such as Auro-3D®, Dolby® AtmosTM, DTS:X®, MMAD, SONY 360 Reality Audio and Ambisonics. It presents a rich set of results obtained from both objective measurements and subjective listening tests, and a number of case studies for 3D recording, ranging from solo-instrument techniques to full symphony orchestra, and microphone systems for virtual reality applications. Further, it includes a chapter on spatial hearing discussing issues of 3D audio sound reproduction. All in all, this book offers extensive, practical information for sound engineers and professionals.
Author: Jeffrey Wallace
Publisher:
ISBN: 9781565552555
Category : Computer simulation
Languages : en
Pages : 488
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Book Description
Author: George Drayton Strayer
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 1014
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Book Description
Author: E. Granum
Publisher: Springer Science & Business Media
ISBN: 1447136985
Category : Computers
Languages : en
Pages : 446
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Book Description
Lars Qvortrup The world of interactive 3D multimedia is a cross-institutional world. Here, researchers from media studies, linguistics, dramaturgy, media technology, 3D modelling, robotics, computer science, sociology etc. etc. meet. In order not to create a new tower of Babel, it is important to develop a set of common concepts and references. This is the aim of the first section of the book. In Chapter 2, Jens F. Jensen identifies the roots of interaction and interactivity in media studies, literature studies and computer science, and presents definitions of interaction as something going on among agents and agents and objects, and of interactivity as a property of media supporting interaction. Similarly, he makes a classification of human users, avatars, autonomous agents and objects, demon strating that no universal differences can be made. We are dealing with a continuum. While Jensen approaches these categories from a semiotic point of view, in Chapter 3 Peer Mylov discusses similar isues from a psychological point of view. Seen from the user's perspective, a basic difference is that between stage and back-stage (or rather: front-stage), i. e. between the real "I" and "we" and the virtual, representational "I" and "we". Focusing on the computer as a stage, in Chapter 4 Kj0lner and Lehmann use the theatre metaphor to conceptualize the stage phenomena and the relationship between stage and front-stage.
Author: Oliver Schreer
Publisher: John Wiley & Sons
ISBN: 0470022728
Category : Technology & Engineering
Languages : en
Pages : 364
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Book Description
The migration of immersive media towards telecommunication applications is advancing rapidly. Impressive progress in the field of media compression, media representation, and the larger and ever increasing bandwidth available to the customer, will foster the introduction of these services in the future. One of the key components for the envisioned applications is the development from two-dimensional towards three-dimensional audio-visual communications. With contributions from key experts in the field, 3D Videocommunication: provides a complete overview of existing systems and technologies in 3D video communications and provides guidance on future trends and research; considers all aspects of the 3D videocommunication processing chain including video coding, signal processing and computer graphics; focuses on the current state-of-the-art and highlights the directions in which the technology is likely to move; discusses in detail the relevance of 3D videocommunication for telepresence systems and immersive media; and provides an exhaustive bibliography for further reading. Researchers and students interested in the field of 3D audio-visual communications will find 3D Videocommunication a valuable resource, covering a broad overview of the current state-of-the-art. Practical engineers from industry will also find it a useful tool in envisioning and building innovative applications.
Author: Roumen Kountchev (Deceased)
Publisher: Springer Nature
ISBN: 981972144X
Category :
Languages : en
Pages : 398
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Book Description
Author: Hsiang-Chuan Liu
Publisher: CRC Press
ISBN: 0429785526
Category : Computers
Languages : en
Pages : 1146
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Book Description
This proceedings volume brings together peer-reviewed papers presented at the International Conference on Information Technology and Computer Application Engineering, held 10-11 December 2014, in Hong Kong, China. Specific topics under consideration include Computational Intelligence, Computer Science and its Applications, Intelligent Information Processing and Knowledge Engineering, Intelligent Networks and Instruments, Multimedia Signal Processing and Analysis, Intelligent Computer-Aided Design Systems and other related topics. This book provides readers a state-of-the-art survey of recent innovations and research worldwide in Information Technology and Computer Application Engineering, in so-doing furthering the development and growth of these research fields, strengthening international academic cooperation and communication, and promoting the fruitful exchange of research ideas. This volume will be of interest to professionals and academics alike, serving as a broad overview of the latest advances in the dynamic field of Information Technology and Computer Application Engineering.
