Interactive TV standards
For any digital TV developer or manager, the maze of standards and specifications related to MHP and OCAP is daunting-you have to patch together pieces from several standards to gather all the necessary knowledge you need to compete worldwide. The standards themselves can be confusing, and contain...
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| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Burlington, MA :
Elsevier Focal Press
c2005.
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| Edición: | 1st edition |
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009626863606719 |
Tabla de Contenidos:
- Cover; Interactive TV Standards; Copyright; Acknowledgments; Contents; Introduction; 1 The Middleware Market; Why Do We Need Open Standards?; Driving Forces Behind Open Standard Middleware; Standards in DTV; Correcting the Fragmented ITV Market; What Are DVB and CableLabs?; The Digital Video Broadcasting Project; DVB-MHP: The Multimedia Home Platform; CableLabs; OpenCable Applications Platform (OCAP); A History Lesson: The Background of MHP and OCAP; The MHP Family Tree; JavaTV: A Common Standard for DTV; Harmonization: Globally Executable MHP; The Difficult Part of Standardization
- Intellectual Property and RoyaltiesWhere Do We Go from Here?; Open Versus Proprietary Middleware; 2 An Introduction to Digital TV; The Consumer Perspective; Customizable TV; Understanding DTV Services; Producing DTV Content; Elementary Streams; Transport Streams; The Multiplexing Process; Carrying Transport Streams in the Network; Energy Dispersal; Error Correction; Modulation; Cable, Satellite, and Terrestrial Broadcasting; Broadcasting Issues and Business Opportunities; Subscriber Management and Scrambling; Access Issues; The Subscriber Management System
- The Return Channel: Technical and Commercial Considerations3 Middleware Architecture; MHP and OCAP Are Not Java; They Are Not the Web, Either; Working in the Broadcast World; The Anatomy of an MHP/OCAP Receiver; The Navigator; Differences in OCAP; A New Navigator: The Monitor Application; Modules in the Execution Engine; Architectural Issues for Implementers; Choosing a Java VM; Sun's JVM or a Clean-room Implementation?; The Impact of the Java Community Process; Portability; Performance Issues; 4 Applications and Application Management; An Introduction to Xlets; Xlet Basics; Xlet Contexts
- Writing Your First XletDos and Don'ts for Application Developers; Application Signaling; Extending the AIT; Controlling Xlets; Registering Unbound Applications; Making Applications Coexist Reliably; Pitfalls for Middleware Developers; 5 The JavaTV Service Model; What Happens During Service Selection?; Abstract Services; Managing Abstract Services in OCAP; Registering Applications; Selecting Abstract Services; 6 Resource Management Issues; Introducing the Resource Notification API; Using the Resource Notification API; Handling Resource Contention; Resource Management in OCAP
- Resource Contention Before Version I12Resource Contention in Later Versions; Common Features of Resource Contention Handling; An Example of a Possible Resource Contention Solution; Resource Management Strategies in OCAP; Merging OCAP and MHP Resource Management; 7 Graphics APIs; The Display Model in a DTV Receiver; HScreens and HScreenDevices; Configuring Screen Devices; Screen Devices and Resource Management; A Practical Example of Device Configuration; HScenes and HSceneTemplates; Creating an HScene; Developing Applications Using HScenes; The HAVi Widget Set
- Changing the Look of Your Application
