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Book Synopsis Standard Codecs by : Mohammed Ghanbari
Download or read book Standard Codecs written by Mohammed Ghanbari and published by IET. This book was released on 2003 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the growth of digital television technology and the revolution in image and video compression (such as JPEG2000, broadcast TV, video phone), highlighting the need for standardisation in processing static and moving images and their exchange between computer systems.
Book Synopsis Video Codec Design by : Iain E. Richardson
Download or read book Video Codec Design written by Iain E. Richardson and published by John Wiley & Sons. This book was released on 2002-05-22 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Codec-Algorithmen werden zur Kodierung und Dekodierung (oder Komprimierung und Dekomprimierung) von Daten wie Videofilmen benutzt, ohne daß die visuelle Qualität des dekodierten Bildes beeinträchtigt wird. Bekannt sind zum Beispiel Codecs zur Konvertierung von analoger Videosignale in komprimierte Videodateien wie MPEG. Dieses Lehrbuch vermittelt Ihnen einen Überblick über einschlägige Standards und Technologien, der Schwerpunkt liegt auf Fragen des Designs. Einleuchtende qualitative und quantitative Vergleiche von Systemalternativen werden anhand von Fallstudien vorgenommen.
Book Synopsis Voice Packetization, Codecs and Voice Quality by : Eric Coll
Download or read book Voice Packetization, Codecs and Voice Quality written by Eric Coll and published by Teracom Training Institute. This book was released on 2023-02-09 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Voice Packetization, Codecs and Voice Quality The "nuts and bolts" of Voice over IP: • How voice is digitized and coded, • Time stamps applied with the RTP protocol, and • How the result is carried in UDP, IP packets and MAC frames. You'll learn about codecs and compression, and understand factors like delay, jitter and packet loss, what causes them, and how they affect sound quality. VoIP Module 4 Detailed Outline 4. Voice Packetization, Codecs and Voice Quality 4.1 Voice Packetization ...... 4.1.1 Microphone Produces a Voltage Analog ...... 4.1.2 Digitization ...... 4.1.3 Coding ...... 4.1.4 Segmentation and Packetization 4.2 Measuring Voice Quality ...... 4.2.1 Mean Opinion Score ...... 4.2.2 Toll-Quality Speech 4.3 Factors Affecting Voice Quality ...... 4.3.1 Codec, Delay, Jitter and Packet Loss ...... 4.3.2 Network Load 4.4 Codecs and Compression ...... 4.4.1 Coder / Decoder ...... 4.4.2 Tradeoffs ...... 4.4.3 CBR vs. VBR ...... 4.4.4 Standards 4.5 Delay ...... 4.5.1 Coding Delay ...... 4.5.2 Network Delay ...... 4.5.3 Design Goal 4.6 Jitter ...... 4.6.1 IP: No Guarantees ...... 4.6.2 Variable Delivery Time ...... 4.6.3 Variable Network Loading ...... 4.6.4 Jitter Buffer 4.7 RTP ...... 4.7.1 Real-Time Transport Protocol ...... 4.7.2 Segmentation ...... 4.7.3 Time Stamp ...... 4.7.4 Error Recovery 4.8 VoIP Protocol Stack: RTP, UDP, IP, MAC ...... 4.8.1 Moving the RTP PDU ...... 4.8.2 UDP Error Detection and Recovery ...... 4.8.3 Port Number ...... 4.8.4 RTP/UDP/IP/Ethernet Protocol Stack ...... 4.8.5 Header Compression 4.9 Packet Loss ...... 4.9.1 Packet Loss Mechanism ...... 4.9.2 Recovery 4.10 Tips for Maximizing Voice Quality ...... 4.10.1 Network Level Testing ...... 4.10.2 VoIP Application Level Testing ...... 4.10.3 Strategies
Download or read book HTML5 Multimedia written by Ian Devlin and published by Peachpit Press. This book was released on 2012 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to building native HTML5 multimedia into a website, from the simplest addition to more advanced features.
Book Synopsis Introduction to Digital Audio Coding and Standards by : Marina Bosi
Download or read book Introduction to Digital Audio Coding and Standards written by Marina Bosi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Digital Audio Coding and Standards provides a detailed introduction to the methods, implementations, and official standards of state-of-the-art audio coding technology. In the book, the theory and implementation of each of the basic coder building blocks is addressed. The building blocks are then fit together into a full coder and the reader is shown how to judge the performance of such a coder. Finally, the authors discuss the features, choices, and performance of the main state-of-the-art coders defined in the ISO/IEC MPEG and HDTV standards and in commercial use today. The ultimate goal of this book is to present the reader with a solid enough understanding of the major issues in the theory and implementation of perceptual audio coders that they are able to build their own simple audio codec. There is no other source available where a non-professional has access to the true secrets of audio coding.
Book Synopsis Packet Guide to Voice Over IP by : Bruce Hartpence
Download or read book Packet Guide to Voice Over IP written by Bruce Hartpence and published by "O'Reilly Media, Inc.". This book was released on 2013 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A system administrator's guide to VoIP technologies"--Cover.
Download or read book Network World written by and published by . This book was released on 1993-10-11 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than 20 years, Network World has been the premier provider of information, intelligence and insight for network and IT executives responsible for the digital nervous systems of large organizations. Readers are responsible for designing, implementing and managing the voice, data and video systems their companies use to support everything from business critical applications to employee collaboration and electronic commerce.
Book Synopsis Compression for Great Video and Audio by : Ben Waggoner
Download or read book Compression for Great Video and Audio written by Ben Waggoner and published by Taylor & Francis. This book was released on 2013-02-11 with total page 679 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn how to compress video and audio with optimal quality and minimal hassles. Renowned expert Ben Waggoner teaches you to improve the quality of your final content and develop effective workflows. Understand the basic concepts of vision and hearing, apply that knowledge in the context of compression, then move onto practical, applicable information for creating, editing, and compressing the best video and audio, whether you're delivering for the web, DVD, Blu-ray, phones, or beyond. Clear examples of how to make the best choices in real-world projects Covers Mac and Windows products for a complete look at today's compression technologies: all the different tools, codecs, and formats for different kinds of deliverables are described, focusing on how to pick the right options for particular projects, players, and sources Formats Windows Media QuickTime Flash FLV and F4V MPEG-4 and H.264 MPEG-2 Ogg Vorbis and Theora Silverlight and Smooth Streaming Devices iPod and iPhone Zune HD Playstation Portable Playstation 3 Xbox 360 DVD and Blu-ray
Book Synopsis Practical Asterisk 1.4 and 1.6 by : Stefan Wintermeyer
Download or read book Practical Asterisk 1.4 and 1.6 written by Stefan Wintermeyer and published by Pearson Education. This book was released on 2009-12-20 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using the open source Asterisk platform, you can deploy a state-of-the-art VoIP PBX on a low-cost PC or server for a fraction of the cost of conventional PBX systems. The only drawback to Asterisk is its notoriously poor documentation. Practical Asterisk 1.4 and 1.6 is the solution to that problem. This book provides all the detailed, real-world, ground-level information you need to plan, install, configure, and reliably operate Asterisk in any environment. This tutorial and reference systematically introduces each of Asterisk’s key building blocks and shows how to use them to implement a full spectrum of communications solutions, from conferencing to call queuing, voicemail and fax to IVR. Leading Asterisk consultants Stefan Wintermeyer and Stephen Bosch draw on their extensive experience, presenting detailed usage examples and practical tips not available anywhere else. Coverage includes Detailed instructions for configuring a basic Asterisk system A start-to-finish business case example demonstrating Asterisk design for real-world deployment A thorough introduction to dialplan applications and functions How to use the new Asterisk Extensions Language to build concise, readable, and maintainable dialplans Using Asterisk’s diverse network and IP telephony protocols, audio codecs, and wire transports Configuring Asterisk’s powerful voicemail features Building a sophisticated Interactive Voice Response (IVR) system with Asterisk Defining and utilizing call queues in call center environments Using Asterisk’s built-in conferencing functions Controlling Asterisk from external applications, scripts, or the system shell Interacting with external applications through the Asterisk Gateway Interface Setting up extension monitoring and hints for SIP telephones Upgrading existing systems to the latest versions of Asterisk Whether you’re a network professional, telephony expert, software developer, or power user, Practical Asterisk 1.4 and 1.6 will provide you with the most thorough detail and practical Asterisk guidance available anywhere.
Book Synopsis Modern Embedded Computing by : Peter Barry
Download or read book Modern Embedded Computing written by Peter Barry and published by Elsevier. This book was released on 2012-01-25 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Embedded Computing: Designing Connected, Pervasive, Media-Rich Systems provides a thorough understanding of the platform architecture of modern embedded computing systems that drive mobile devices. The book offers a comprehensive view of developing a framework for embedded systems-on-chips. Examples feature the Intel Atom processor, which is used in high-end mobile devices such as e-readers, Internet-enabled TVs, tablets, and net books. This is a unique book in terms of its approach – moving towards consumer. It teaches readers how to design embedded processors for systems that support gaming, in-vehicle infotainment, medical records retrieval, point-of-sale purchasing, networking, digital storage, and many more retail, consumer and industrial applications. Beginning with a discussion of embedded platform architecture and Intel Atom-specific architecture, modular chapters cover system boot-up, operating systems, power optimization, graphics and multi-media, connectivity, and platform tuning. Companion lab materials complement the chapters, offering hands-on embedded design experience. This text will appeal not only to professional embedded system designers but also to students in computer architecture, electrical engineering, and embedded system design. - Learn embedded systems design with the Intel Atom Processor, based on the dominant PC chip architecture. Examples use Atom and offer comparisons to other platforms - Design embedded processors for systems that support gaming, in-vehicle infotainment, medical records retrieval, point-of-sale purchasing, networking, digital storage, and many more retail, consumer and industrial applications - Explore companion lab materials online that offer hands-on embedded design experience
Book Synopsis Creative After Effects 7 by : Angie Taylor
Download or read book Creative After Effects 7 written by Angie Taylor and published by CRC Press. This book was released on 2013-10-28 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: Realize your creative potential with a working knowledge of After Effects 7. Renowned artist and designer Angie Taylor demonstrates professional workflows and inspires with practical tutorial lessons that help put the theory (and you!) to work. You'll learn from a comprehensive survey of the new interface and features, with illustrated techniques for animation, visual effects and motion graphics. Practice exercises to reinforce essential techniques, and continuous projects challenge you with fantastically creative uses of the application. The companion DVD includes everything you'll need to complete the tutorials as well as an array of bonus plug-ins and demo software.
Book Synopsis VoIP Voice and Fax Signal Processing by : Sivannarayana Nagireddi
Download or read book VoIP Voice and Fax Signal Processing written by Sivannarayana Nagireddi and published by John Wiley & Sons. This book was released on 2008-10-03 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete and systematic treatment of signal processing for VoIP voice and fax This book presents a consolidated view and basic approach to signal processing for VoIP voice and fax solutions. It provides readers with complete coverage of the topic, from how things work in voice and fax modules, to signal processing aspects, implementation, and testing. Beginning with an overview of VoIP infrastructure, interfaces, and signals, the book systematically covers: Voice compression Packet loss concealment techniques DTMF detection, generation, and rejection Wideband voice modules operation VoIP Voice-Network bit rate calculations VoIP voice testing Fax over IP and modem over IP Country deviations of PSTN mapped to VoIP VoIP on different processors and architectures Generic VAD-CNG for waveform codecs Echo cancellation Caller ID features in VoIP Packetization—RTP, RTCP, and jitter buffer Clock sources for VoIP applications Fax operation on PSTN, modulations, and fax messages Fax over IP payload formats and bit rate calculations Voice packets jitter with large data packets VoIP voice quality Over 100 questions and answers on voice and more than seventy questions and answers on fax are provided at the back of the book to reinforce the topics covered throughout the text. Additionally, several clarification, interpretation, and discussion sections are included in selected chapters to aide in readers' comprehension. VoIP Voice and Fax Signal Processing is an indispensable resource for professional electrical engineers, voice and fax solution developers, product and deployment support teams, quality assurance and test engineers, and computer engineers. It also serves as a valuable textbook for graduate-level students in electrical engineering and computer engineering courses.
Book Synopsis Advanced BlackBerry 6 Development by : Chris King
Download or read book Advanced BlackBerry 6 Development written by Chris King and published by Apress. This book was released on 2011-07-21 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: BlackBerry devices and applications are selling by the millions. As a BlackBerry developer, you need an advanced skill set to successfully exploit the most compelling features of the platform. This book will help you develop that skill set and teach you how to create the most sophisticated BlackBerry programs possible. With Advanced BlackBerry 6 Development, you’ll get a comprehensive look at the new features included with SDK 6, including the web and widgets SDK, the web browser, and more. You’ll also learn how to take advantage of BlackBerry media capabilities such as the camera and video playback. The book also shows you how to send and receive text and multimedia messages, use powerful cryptography libraries, and connect with the user’s personal and business contacts and calendar. Not only will you be learning how to use these APIs, but you’ll also be building a program that takes full advantage of them: a wireless media-sharing app. Each chapter’s lessons will be applied by enhancing the app from a prototype to a fully polished program. Along the way, you'll learn how to differentiate your product from other downloads by fully integrating with the new BlackBerry 6 operating system. Your app will run in the browser and within device menus, just like software that comes with the phone. You will even learn BlackBerry's new Web browser features, Web standards-based software development kit, and more. Once you are comfortable with writing apps, this book will show you how to take them to the next level. You’ll learn how to move from running on one phone to running on all phones, and from one country to all countries. You’ll additionally learn how to support your users with updates. No other resource compares for mastering the techniques needed for expert development on this mobile platform.
Download or read book ISDN written by Robin Mason and published by IET. This book was released on 1994 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an introduction to the technology for educators, with case studies of education and training uses of ISDN technologies in Europe, the US and Australia.
Book Synopsis Podcasting Bible by : Mitch Ratcliffe
Download or read book Podcasting Bible written by Mitch Ratcliffe and published by John Wiley & Sons. This book was released on 2008-02-11 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This is the book that you'll want to read about podcasting--the technology that everyday people, in addition to the big-name radio networks, are using to broadcast to the world." -- Robert Scoble, Vice President Media Development, Podtech.net Create and market successful podcasts from your desktop, for your company, or in the studio Podcasting is a blazing hot new medium, but to create effective audio and video for the Internet, you need a thorough grounding in the tools and techniques that make it possible. You'll find it all--including business planning worksheets and tips--in this comprehensive guide from two industry experts. Each of the book's seven sections focuses on key elements in a logical sequence, so you can find what you need, when you need it--from an in-depth look at the basics, to high-level recording techniques, to creating a revenue-producing business. * Produce and upload your first podcast with a Quick Start tutorial * Learn how to turn your podcast into a viable business * Master the equipment--microphones, cameras, editing software, and more * Produce your audio and video podcasts to a broadcast standard * Decipher Really Simple Syndication (RSS) and other podcasting techniques * Crop, resize, color correct, or insert virtual backgrounds * Integrate your podcast into your blog or Web site
Book Synopsis Adobe Premiere Pro Studio Techniques by : Jeff I. Greenberg
Download or read book Adobe Premiere Pro Studio Techniques written by Jeff I. Greenberg and published by Adobe Press. This book was released on 2013-12-27 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ready to learn not just the hows but also the whys behind the most powerful features of Adobe Premiere Pro? Whether you need to boost your editing skills, composite shots, or fix your audio, you’ll see immediate results when you incorporate these tested and proven techniques from the pros. Adobe Premiere Pro Studio Techniques inspires you to take your work to the next level with real-world examples and insider techniques. In it, you’ll get an in-depth view into Premiere Pro and how it works, cutting through the fat to focus on the most essential features and workflows to help busy professionals perform their jobs faster and smoother. This book goes beyond conventional step-by-step instruction, teaching you the art behind editing video that you can adapt for countless projects. Real solutions from real professionals: Learn from the top trainers and pros who know Premiere Pro in and out and explain the concepts in a clear, easy-to-read format. Editing essentials: No matter how sophisticated your editing projects, they all begin with the same building blocks. Find out what you’ve been missing about Timeline edits, trimming, creating transitions, setting audio levels, color and light matching, keying and matting, working with a variety of video formats, and more. Advanced techniques: You’ll learn best-practice techniques for setting up your system, organizing your projects, editing for single and multicam shots, perfecting the audio mix, fixing problems with color, compositing your shots, exporting your projects, and managing your workflow, including workflows with other Adobe Creative Cloud tools such as SpeedGrade and Audition. Project files provided: Work along with many of the techniques using the provided HD video clips and project files. For access, go to www.peachpit.com/redeem and redeem the unique code provided inside this book. Adobe Premiere Pro Studio Techniques will thrust you deeper into ideas and advanced methods of working with the tools. Along the way you’ll learn a bunch of tricks that make you more proficient in not only the end result, but in the details of getting there; quicker ways to get things done, shortcuts, workflow tips and ways to make your content look better and your flow to be more efficient.–From the Foreword by Jacob Rosenberg, director of Waiting for Lighting and CTO of Bandito Brothers
Book Synopsis UMTS Network Planning, Optimization, and Inter-Operation with GSM by : Moe Rahnema
Download or read book UMTS Network Planning, Optimization, and Inter-Operation with GSM written by Moe Rahnema and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: UMTS Network Planning, Optimization, and Inter-Operation with GSM is an accessible, one-stop reference to help engineers effectively reduce the time and costs involved in UMTS deployment and optimization. Rahnema includes detailed coverage from both a theoretical and practical perspective on the planning and optimization aspects of UMTS, and a number of other new techniques to help operators get the most out of their networks. Provides an end-to-end perspective, from network design to optimization Incorporates the hands-on experiences of numerous researchers Single authorship allows for strong coherency and accessibility Details the complete iteration cycle of radio link budgeting for coverage planning and dimensioning Rahnema demonstrates detailed formulation of radio capacity and coverage in UMTS, and discusses the tradeoffs involved. He presents complete link budgeting and iterative simulations for capacity and coverage planning, along with practical guidelines. UMTS Network Planning contains seventeen cohesive and well-organized chapters which cover numerous topics, including: Radio channel structures, radio channel models, parameters, model tuning Techniques for capacity and coverage enhancements Complete treatment of power control, handoffs and radio resource practical management processes and parameters Detailed coverage of TCP protocol enhancement for operation over wireless links, particularly UMTS Application of GSM measurements to plan and re-engineer for UMTS radio sites Guidelines for site co-location with GSM, the QOS classes, parameters and inter-workings in UMTS AMR voice codecs and tradeoffs, core and access network design, architectural evolution, and protocols Comprehensive discussion and presentation of practical techniques for radio performance analysis, trending, and troubleshooting Perfect for professionals in the field and researchers specializing in network enhancement. Engineers working on other air interfaces and next generation technologies will find many of the techniques introduced helpful in designing and deploying future wireless networks as well. Students and professionals new to the wireless field will also find this book to be a good foundation in network planning, performance analysis, and optimization.
