Implementing Mobile TV, Second Edition: ATSC Mobile DTV, by Amitabh Kumar

By Amitabh Kumar

Enforce cutting-edge cellular television networks with this finished advisor to the newest applied sciences and criteria, together with MediaFLO, ATSC cellular DTV, and CMMB, an identical applied sciences seeing large-scale rollouts this present day world wide. You not just achieve deep perception into the maze of applied sciences, but in addition the rules of cellular content-what makes it paintings, how it truly is produced, repurposed and added securely, and the way it integrates with cellular and net domains.   know about the foremost enablers of a cellular television carrier, like smartphones, chipsets, and cellular software program. achieve entry to an in depth examine the networks deployed around the world with real-world case experiences. The informative diagrams offer wealthy visualization of the hot applied sciences, companies, and profit types. achieve realizing of the way cellular television should be made interactive and the way it may be introduced seamlessly in a number of markets. Get perception into the becoming services of multimedia handsets and software program which drives leading edge functions. writer Amitabh Kumar starts with the fundamentals of cellular multimedia and progresses to hide info of applied sciences, networks, and firmware for cellular television companies. effortless to stick with, enforcing cellular television contains a wealthy presentation that comes with dozens of  FAQs and "Quick Facts." This re-creation is up to date to mirror the quick evolving international of cellular television, targeting elements for achievement and supplying knowing of: * 3G, Terrestrial broadcast, and cellular WiMAX networks * MediaFLO, ATSC cellular DTV, and CMMB Broadcasting * allowing applied sciences and protocols, spectrum, and possibilities for deployment * content material safeguard, conditional entry and DRM for the cellular international, in keeping with OMA-BCAST Smartcard and DRM profiles * Handset positive aspects for cellular television and multimedia companies * perception into making content material interactive-traffic, climate, interactive polling, specified ads * Roaming and interoperability in multimedia networks

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Additional resources for Implementing Mobile TV, Second Edition: ATSC Mobile DTV, MediaFLO, DVB-H SH, DMB,WiMAX, 3G Systems, and Rich Media Applications (Focal Press Media Technology Professional Series)

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Thus, each time an I-frame is transmitted, it contains the full information for the picture in the frame and the receiving decoder can generate the picture without any reference to any previous or next frames. 30 Chapter 2 Predicted Frame or P-Frame: Generated from the previous I- or P-frames by using the motion vector information to predict the content. Bidirectional Frame or B-Frame: The B-frames are generated by an interpolation of the past and future I- and P-frame information using vector motion information.

This makes it ideally suited for mobile environments, where the user may travel from near a base station transmitter to the outer fringes and the usable bit rates may change considerably. Finally, it has a provision for scene coding called Binary Format for Scenes (BIFS), which can be used to recreate a picture based on commands. This implies that objects can be reordered or omitted, thus virtually recompositing a picture with objects, graphics, and text. A picture can be rendered by adding or deleting new streams.

4 Standards for Mobile TV Watching mobile TV appears deceptively simple. After all, it is carrying the same programs that were being broadcast anyway. But this simplicity hides a vast trove of technologies and standards that have been developed over time to make the feat of bringing TV to the small 2-inch screens possible. mpg, Real, QuickTime, Windows Media, and other file formats. Video has been available in no fewer than 25 different formats, from uncompressed video to MPEG-4/AVC. Moreover, video can be shown in a wide range of resolutions, frame sizes, and rates.

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