Bøger i Signals and Communication Technology serien

However, using the content of even higher resolution and quality is not straightforward as such videos require significantly higher access bandwidth and more processing power. Moreover, it is desirable to look into other ways of accessing visual content, solution to which lies in innovative schemes for content delivery and consumption.

Foundations of Voice and Speech Quality Perception starts out with the fundamental question of: "How do listeners perceive voice and speech quality and how can these processes be modeled?"

This book is a groundbreaking resource that covers both algorithms and technologies of interactive videos. The book deals mainly with low-level semi-automatic and full-automatic processing of the video content for intelligent human computer interaction.

"Digital Video and Audio Broadcasting Technology - A Practical Engineering Guide" deals with all the most important digital television, sound radio and multimedia standards such as MPEG, DVB, DVD, DAB, ATSC, T-DMB, DMB-T, DRM and ISDB-T.

Today's wireless services have come a long way since the roll out of the conventional voice-centric cellular systems. This book discusses the cognitive radio, software defined radio, and adaptive radio concepts from several perspectives.

This second edition provides first-hand information about the most recent developments in the exciting and fast moving field of telecommunications media and consumer electronics. The latest DVB standards are included in three new sections on Interactive Television, Data Broadcasting, and The Multimedia Home Platform.

This book deals with the subject of symmetry, and its place and role in modern signal processing. It introduces group theoretic techniques of exploiting symmetry for engineering students and explains group representation theory with the help of examples.

-Presents state-of-the-art in visual media retrieval. -Coverage of adaptive content-based retrieval systems and techniques in image and video database applications. -Includes a novel machine-controlled interactive retrieval (MCIR) method that optimizes image search in distributed digital libraries over the Internet.

This book is devoted to the investigation of the main issues related to the sustainable realization of tele-laboratories, where real and virtual instrumentation can be shared and used in a collaborative environment.

For the first time, a reference on the most relevant applications of adaptive filtering techniques. Top researchers in the field contributed chapters addressing applications in acoustics, speech, wireless and networking, where research is still very active and open.

Speech Dereverberation gathers together an overview, a mathematical formulation of the problem and the state-of-the-art solutions for dereverberation. Speech Dereverberation presents current approaches to the problem of reverberation.

The second edition of Human Factors and Voice Interactive Systems, in addition to updating chapters from the first edition, adds in-depth information on current topics of major interest to speech application developers.

This study of the effects of interference-and methods of coping with it-in a wireless network tackles the physical layer method as well as optimal routing scheduling and power control. The text also analyzes the connectivity of fading ad-hoc wireless networks.

(Preliminary): The Orthogonal Frequency Division Multiplexing (OFDM) digital transmission technique has several advantages in broadcast and mobile communications applications.

A strong reference on the problem of signal and speech enhancement, describing the newest developments in this exciting field. The general emphasis is on noise reduction, because of the large number of applications that can benefit from this technology.

Before designing a speech application system, three key questions have to be answered: who will use it, why and how often? This book focuses on these high-level questions and gives a criteria of when and how to design speech systems. The book goes on to evolve criteria for designing and evaluating successful voice user interfaces.

Comparison between UWB and traditional narrow-band systems highlights the following features: Large bandwidth enables very fine time-space resolution for accurate lo- tion of the UWB nodes and for distributing network time stamps.

Written as a self-learning guide, this book deals with the treatment of the Variational Bayes (VB) approximation in signal processing. It reviews the VB distributional approximation, showing that tractable algorithms for parametric model identification can be generated in off-line and on-line contexts.

In this book, the author makes the subject of spectrum analysis understandable to a wide audience, including those with and without a solid background in general signal processing. The focus throughout the book is on applications to speech analysis.

(Preliminary): The Orthogonal Frequency Division Multiplexing (OFDM) digital transmission technique has several advantages in broadcast and mobile communications applications.

In this book, real life examples are presented to design antenna matching networks over HF and cellular commercial multi-band frequencies. For each example, open MatLab source codes are provided so that the reader can easily generate and verify the results.

This book presents a fully statistical approach for modeling the pronunciation of non-native speakers, using a proven and tested method based on a discrete hidden Markov model as a word pronunciation model, initialized on a standard pronunciation dictionary.

Combining theoretical analysis, regulatory context and supported by practical case studies, this book provides an in-depth review of sharing RF spectrum with commodity wireless technologies.

This book reviews modern acoustics from both signal-theoretic and wave-theoretic points of view. Coverage runs from the basics of acoustics and vibration to hot topics in acoustic transfer functions and signal analysis, including a perceptual point of view.

Current speech recognition systems are based on speaker independent speech models and suffer from inter-speaker variations in speech signal characteristics. This work develops an integrated approach for speech and speaker recognition.

This book connects the theory of protection and control with practical applications of protection equipment. Covers basic theory, digital algorithms for signal filtering, plus advantages and drawbacks of fuzzy logic-based schemes, neural networks and more.

Grid architectures, which are viewed as tools for the integration of distributed resources, play a significant role as managers of computational resources, but also as aggregators of measurement instrumentation and pervasive large-scale data acquisition platforms.

The second edition of Human Factors and Voice Interactive Systems, in addition to updating chapters from the first edition, adds in-depth information on current topics of major interest to speech application developers.

Focuses on System Identification applications of the adaptive methods presented. but which can also be applied to other applications of adaptive nonlinear processes. Covers recent research results in the area of adaptive nonlinear system identification from the authors and other researchers in the field.

This book identifies vulnerabilities in the physical layer, the MAC layer, the IP layer, the transport layer, and the application layer, of wireless networks, and discusses ways to strengthen security mechanisms and services.