Linear Predictive Coding And The Internet Protocol
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| Author | : Robert M. Gray |
| Publisher | : Now Publishers Inc |
| Total Pages | : 181 |
| Release | : 2010 |
| Genre | : Computers |
| ISBN | : 1601983484 |
In December 1974 the first realtime conversation on the ARPAnet took place between Culler- Harrison Incorporated in Goleta, California, and MIT Lincoln Laboratory in Lexington, Massachusetts. This was the first successful application of realtime digital speech communication over a packet network and an early milestone in the explosion of realtime signal processing of speech, audio, images, and video that we all take for granted today. It could be considered as the first voice over Internet Protocol (VoIP), except that the Internet Protocol (IP) had not yet been established. In fact, the interest in realtime signal processing had an indirect, but major, impact on the development of IP. This is the story of the development of linear predictive coded (LPC) speech and how it came to be used in the first successful packet speech experiments. Several related stories are recounted as well. The history is preceded by a tutorial on linear prediction methods which incorporates a variety of views to provide context for the stories. This part is a technical survey of the fundamental ideas of linear prediction that are important for speech processing, but the development departs from traditional treatments and takes advantage of several shortcuts, simplifications, and unifications that come with years of hindsight. In particular, some of the key results are proved using short and simple techniques that are not as well known as they should be, and it also addresses some of the common assumptions made when modeling random signals. The reader interested only in the history and already familiar with or uninterested in the technical details of linear prediction and speech may skip Part I entirely.
| Author | : Tokunbo Ogunfunmi |
| Publisher | : CRC Press |
| Total Pages | : 381 |
| Release | : 2010-04-29 |
| Genre | : Computers |
| ISBN | : 1439882541 |
It is becoming increasingly apparent that all forms of communication-including voice-will be transmitted through packet-switched networks based on the Internet Protocol (IP). Therefore, the design of modern devices that rely on speech interfaces, such as cell phones and PDAs, requires a complete and up-to-date understanding of the basics of speech
| Author | : Jacob Benesty |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 1170 |
| Release | : 2007-11-28 |
| Genre | : Technology & Engineering |
| ISBN | : 3540491252 |
This handbook plays a fundamental role in sustainable progress in speech research and development. With an accessible format and with accompanying DVD-Rom, it targets three categories of readers: graduate students, professors and active researchers in academia, and engineers in industry who need to understand or implement some specific algorithms for their speech-related products. It is a superb source of application-oriented, authoritative and comprehensive information about these technologies, this work combines the established knowledge derived from research in such fast evolving disciplines as Signal Processing and Communications, Acoustics, Computer Science and Linguistics.
| Author | : Zhigeng Pan |
| Publisher | : Springer Nature |
| Total Pages | : 294 |
| Release | : 2020-04-11 |
| Genre | : Computers |
| ISBN | : 366261510X |
This journal subline serves as a forum for stimulating and disseminating innovative research ideas, theories, emerging technologies, empirical investigations, state-of-the-art methods, and tools in all different genres of edutainment, such as game-based learning and serious games, interactive storytelling, virtual learning environments, VR-based education, and related fields. It covers aspects from educational and game theories, human-computer interaction, computer graphics, artificial intelligence, and systems design. The 27 papers presented in this issue were organized in topical sections named: e-learning and on-line apps; image and graphics; VR/AR; CV and AI; and animation and miscellaneous.
| Author | : Wai C. Chu |
| Publisher | : John Wiley & Sons |
| Total Pages | : 584 |
| Release | : 2004-03-04 |
| Genre | : Computers |
| ISBN | : 0471668877 |
Speech coding is a highly mature branch of signal processing deployed in products such as cellular phones, communication devices, and more recently, voice over internet protocol This book collects many of the techniques used in speech coding and presents them in an accessible fashion Emphasizes the foundation and evolution of standardized speech coders, covering standards from 1984 to the present The theory behind the applications is thoroughly analyzed and proved
| Author | : Nikil Jayant |
| Publisher | : CRC Press |
| Total Pages | : 680 |
| Release | : 2018-10-03 |
| Genre | : Technology & Engineering |
| ISBN | : 1420030663 |
Broadband Last Mile: Access Technologies for Multimedia Communications provides in-depth treatments of access technologies and the applications that rely upon them or support them. It examines innovations and enhancements along multiple dimensions in access, with the overarching goal of ensuring that the last mile is not the weak link in the broadband chain. Written by experts from the academic and commercial segments of the field, the book's self-contained sections address topics related to the disciplines of communications, networking, computing, and signal processing. The core of this treatment contains contemporary reviews of broadband pipes in the classes of copper, cable, fiber, wireless, and satellite. It emphasizes the coexistence of these classes within a network, the importance of optical communications for unprecedented bandwidth, and the flexibility and mobility provided by wireless. The book also includes perspective on the increasingly important topic of network management, providing insights that are true regardless of the nature of the pipe. The text concludes with a discussion of newly emerging applications and broadband services. This book offers an all-in-one treatment of the physical pipes and network architectures that make rich and increasingly personalized applications possible. It serves as a valuable resource for researchers and practitioners working in the increasingly pervasive field of broadband.
| Author | : Tamal Chakraborty |
| Publisher | : Springer |
| Total Pages | : 265 |
| Release | : 2018-08-03 |
| Genre | : Technology & Engineering |
| ISBN | : 3319955942 |
This book offers an accessible introduction and practical guide to Voice over Internet Protocol (VoIP) technology, providing readers with the know-how to solve the problems encountered in applying VoIP technology across all types of network. It incorporates the latest research findings and brings readers up to date with the challenges that are faced by researchers developing novel applications of VoIP. The authors discuss the general architecture of VoIP technology, along with its application and relevance in conventional and emerging wireless communication networks, including Wireless Local Area Networks (WLANs), Worldwide Interoperability for Microwave Access (WiMAX), Long Term Evolution (LTE) and Cognitive Radio Networks. The book also includes Quality of service (QoS) studies under dynamic and unpredictable network conditions, which examine the reliability of both legacy systems And the upcoming pervasive computing systems. Further, it explains how the heuristic-based learning algorithms that are used in VoIP communications may help develop today’s technology in the area of autonomous systems. This book is a valuable source of information for academics and researchers, as it provides state-of-theart research in VoIP technology. It is also of interest to network designers, application architects, and service providers looking for a coherent understanding of VoIP across a wide range of devices, network applications and user categories.
| Author | : Carol Lowery |
| Publisher | : Emereo Publishing |
| Total Pages | : 44 |
| Release | : 2014-10-30 |
| Genre | : Reference |
| ISBN | : 9781488864605 |
Your Complete Predictive Coding Guide. There has never been a Predictive Coding Guide like this. It contains 44 answers, much more than you can imagine; comprehensive answers and extensive details and references, with insights that have never before been offered in print. Get the information you need--fast! This all-embracing guide offers a thorough view of key knowledge and detailed insight. This Guide introduces what you want to know about Predictive Coding. A quick look inside of some of the subjects covered: Digital signal processor - History, MBONE - Mbone tools, FS-1015, Linear predictive coding - Applications, Bayesian approaches to brain function - Predictive coding, Texas Instruments - First speech synthesis chip, Silk (codec) - Details, GSM - Voice codecs, Multimedia Information Retrieval - Feature Extraction Methods, Speech coding - Categories, Golomb coding - Applications, Ciphony - Digital methods using voice compression: MELP or MELPe, Lossless audio - Coding methods, G.728, Manfred R. Schroeder, Global System for Mobile Communications - Voice codecs, Image compression - Lossy and lossless compression, Release time -, Network Voice Protocol, Data compression -, Opus (audio codec), MP3 - Development, Harmonic Vector Excitation Coding - Linear Predictive Coding, Code-excited linear prediction, Opus (audio format), Adaptive Multi-Rate audio codec - Features, List of algorithms - Lossy compression algorithms, Codec2 - Overview, Secure telephone - Historically significant products, Perception - Effect of motivation and expectation, Paul Lansky - Biography, Video compression - Coding methods, Opus (audio format) - Features, Internet Low Bitrate Codec, Lossless JPEG - Lossless mode of operation, Perceptions - Effect of motivation and expectation, Secure voice - Digital Methods using Voice Compression: MELP or MELPe, and much more...
| Author | : Michael John Ryan |
| Publisher | : Argos Press P/L |
| Total Pages | : 346 |
| Release | : 2002 |
| Genre | : Information theory |
| ISBN | : 0958023808 |
| Author | : Ray Horak |
| Publisher | : John Wiley & Sons |
| Total Pages | : 795 |
| Release | : 2012-11-19 |
| Genre | : Technology & Engineering |
| ISBN | : 1118585801 |
For an accessible and comprehensive survey of telecommunications and data communications technologies and services, consult the Telecommunications and Data Communications Handbook, which includes information on origins, evolution and meaningful contemporary applications. Find discussions of technologies set in context, with details on fiber optics, cellular radio, digital carrier systems, TCP/IP, and the Internet. Explore topics like Voice over Internet Protocol (VoIP); 802.16 & WiMAX; Passive Optical Network (PON); 802.11g & Multiple Input Multiple Output (MIMO) in this easily accessible guide without the burden of technical jargon.
