DTT: a high-level look at digital terrestrial television

A high level look at Digital Terrestrial Television
Duration: 5 days

This eight module course affords the delegate a detailed technical overview of and broad insight into digital terrestrial television from first principles - compressions and transport of a digital signal - through to specific system outlines - the ATSC, DVB-T and DVB-S2 systems - as well as a comprehensive review of the global status of digital migration on a country-by-country basis, concluding with the most recent ITU-R recommendations.

The course, while pitched an intermediate technical level, has been developed for executive and technical management in mind, but remains accessible to content producers, broadcast staff and interested persons seeking to grow their understanding of just what DTT is.

The course is technical in nature, and it is assumed the delegate will have a reasonable understanding of analogue recording, ingest and broadcast technologies and principles. Some familiarity with digital audio and video systems would be an advantage, but is not assumed.

Course Content
The course content comprises the following eight modules:

Module 1 - Introduction
  • Some history and some concepts
  • Analogue to digital

Module 2 - The challenge
  • The ITU DTTB model

Module 3 - Source coding and compression
  • Definitions
  • Benefits
  • Low bit rate video coding and service quality
  • Examples of video scanning standards
  • Video compression and coding
  • MPEG 2 video coding
  • Audio compression and coding
  • The ISO/IEC IS I3818-3 (MPEG-2) Layer II system
  • The ATSC AC-3 system
  • Ancillary data

Module 4 - Service multiplex and transport
  • Available structures: ATM, MPEG-2, ISDB
  • Multiplexing of video, audio and data
  • Higher level multiplexing functionality
  • The PES packet format
  • The packetization approach
  • Features and services

Module 5 - The physical layer
  • Introduction
  • Spectral efficiency
  • Modulation techniques
  • Channel coding (error correction coding)
  • Early implementation comparisons
  • Coverage issues

Module 6 - System overview
  • ATSC system
  • DVB-T system
  • DVB-S2 system

Module 7 - Planning factors and implementation strategies
  • Planning factors
  • Digital implementation strategies
  • The role of the regulator
  • Africa implementation status
  • Rest of the world implementations

Module 8 - ITU/-R recommendations
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