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Digital TV (DTV) and Compression Techniques

Course Introduction:

Digital TV (DTV) is the umbrella term used to describe the new digital television system adopted by the FCC in December 1996; DTV is a technology, and HDTV is just one subset of the DTV.

The objective of the course is to bring the participants gracefully through all the DTV structure, features, and theory...then give them more practical information on subjects such as decoding issues, display problems, conversion, baseband data stream handling, etc. The course will also provide an in depth and structured introduction to the technology, its uses, opportunities/possibilities, and limitations. Digital TV is not simply the numerical equivalent to traditional analog television: the issues of becoming digital are covered, as well as the relevant compression technologies.

Course Objectives :

• Provide background for understanding the DTV standards
• Discuss enabling technologies lying modulation techniques
• Discuss specifics of ATSC, DVB-B-C Systems
• Discuss critical design issues, technical aspects related to copy protection
• Discuss basic problems in the system integration

Who Should Attend

The course is intended for video engineers who will have to use the technology, not compression designers. The mathematics of compression techniques are discussed briefly, but the focus of the course is on providing a qualitative understanding of the processes involved rather than their detailed analysis. If you are looking for real world answers and direction toward solutions, this course is for you.


3 days

Course Contents

Day-1 Day-2 Day-3
Introduction Satellite and Cable TV Distribution (DSS, DVB - Broadcast/Cable, ATSC) MPEG-4 Algorithm and Practice in C
-Description of Course Structure and Content -Critical Design Issues -Transform and Quantization
-Course Objectives -DSP vs. Dedicated MPEG-1-2 IC's -Arithmetic coding
-Standards Overview -Hardware vs. Software Solutions -Shape representation: binary and gray-scale (alpha) planes
-Standard TV - Analog: Basic Concepts -Clock Recovery and Synchronization Issues -Mesh (object plane) based presentation
-Standard TV - Digital: Component vs. Composite -Sampling Strategies and Structures -Shape-adaptive DCT and DWT
-Introduction to DTV/ATSC -CCIR-601 4:2:2 and 4:2:0; Interlaced/Non-interlaced -Global and local motion compensation
-Theoretical Base for Compression/Decompression -VLSI Implementation -RVLC, etc.
-Need for Data Compression -MPEG Processing Architecture and Implementation -Single object and multiple object coding
-Information Theory Concepts -Architectural choices -Texture coding
-Visual Psychophysics -Format Conversion -Synthetic video
-Predictive Coding -Advanced relationship management
-Motion Estimation Limitations of Source Coding H.264 Algorithm and Practice in C
-Motion Compensation -Major Artifacts Associated with Video Compression -Transform and Quantization
-Transform Coding -Subjective Evaluations of Digitally Compressed Video -Compression tools
-Subband Coding -Prediction of Intra Macro blocks
-Vector Quantization, etc. -Reconstruction filter
-Interlaced Video
DCT xPEG -Entropy coding
-Baseline Processing -Content-Based Adaptive Arithmetic Coding (CABAC)
-Variable Length Coding -Enhanced motion estimation/compensation
MPEG Standards

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