Dr. Nikos Desypris

ndessipris@yahoo.com

nikolaos.desypris@bronet.gr

Feb. 2010

Postgraduate course

University of Athens

Course Outline

Course brief description

Television System Design (block level)

IPTV Services and TechnologiesPublic Policy Treatment and Techno-

economic aspects in Digital Television communication markets

Group assignments

Course brief descriptionPresents commercial Television Systems

Covers standards and issues at a basic level

Basic concepts of digital processing desirable, but not necessary

Covers digital terrestrial, cable and satellite TV, together with

IPTV, including IPTV services and technologies. The topics of

digital signage systems will be also briefly presented.

Addresses issues of public policy treatment and techno-

economic aspects in Digital Television communication markets

Course evaluation mainly through ‘group assignments’

Convergence From analogue TV and data transmission as distinct

parallel paths, to complete disappearance of distinction between data and television!

For historical and practical reasons, in this course IPTV is kept as a separate chapter/sector

Television Systems Design

Video Standards: signals, formats

The capturing system

Digital Video Encoding (MPEG series)

Digital video transmission and reception

(excluding IPTV)

Video Standards: signals, formats

Committees on Broadcast Television

(at international / regional / national levels)

Standards related to broadcast television video only

The capturing system

The studio TV signal: SDTV, HTDV other video formats (with relevant data rates)

Recommendation CCIR 601-270 Mbit/s for existing SDTV signals

The capturing system

Digital Video Encoding (MPEG)Data reduction for image and audio compression of the digital video

signal: Redundancy reduction and irrelevance reduction (loss of information - role of the human observer)

MPEG-1, MPEG-2, MPEG-3, MPEG-4, MPEG-7, MPEG-21 Audio signals to MPEG and Dolby DigitalTeletext transmission, subtitles, VBS –video program system for VCR

control, EPG – Electronic Program Guide - applications and the role of MHP – Multimedia Home Platform

A comparison of digital video (encoding) standards (MPEG-1, MPEG-2, VCD, DVD, M-JPEG and miniDV/DV

Picture Quality Analysis of Digital TV signalsRecent video compression methods (MPEG-4 AVC Advanced Video

Coding, DVB-T2)

DV Transmission and Reception

General (modulator / transmitter / demodulator / receiver)

Digital Television Signals by Satellite (DVB-S)Broadband Cable Transmission of Digital TV

signals (DVB-C)The Terrestrial Transmission of Digital TV signals

(DVB-T)Digital Video Broadcast for Handhelds (DVB-H)Other Digital Terrestrial Television Systems

IPTV Services and TechnologiesIntroductionIPTV network distribution technologiesReal Time encoding and transportationBroadcasting TV programs over IPTVIPTV consumer devices – IPTVCD and IPTVCD s/w architectureIPTV Conditional access - Digital Rights Management (DRM)

systemsIPTV at home – Home Media PlatformVoD over IP IP based HDTV (high definition TV)Interactive IPTV applicationsIPTV network administration

IPTV Services and Technologies (cont.)Introduction

Difference between Internet TV and IPTVIPTV network distribution technologies

‘Last Mile’ Broadband Distribution Network Types IPTV over: Fiber Access Network/ ADSL Network/ Next

Generation Cable TV Networks/ Wireless Networks/ the Internet (streamed video, downloads, p2p

IPTV Backbone Technologies (ATM and SONET/SDH; IP and MPLS; Metro Ethernet)

Network factors associated with deploying IPTV

Real Time encoding and transportation Introduction to Real-Time Encoding Compression Methods (MPEG, VC1) Packetizing and Encapsulating Video Content (7+1 conceptual

layers)

Broadcasting TV programs over IPTV Video Components of an End-to-End IPTV System Streaming IPTV Content Multicasting across an IPTV Network Channel Changing Discovering Channel Program Information Time-Shifting Multicast IPTV

IPTV Services and Technologies (cont.)

IPTV consumer devices – IPTVCD and IPTVCD s/w

architectureIPTV Conditional access - Digital Rights Management (DRM)

systemsIPTV at home – Home Media PlatformVoD over IP IP based HDTV (high definition TV)Interactive IPTV applicationsIPTV network administration

IPTV Services and Technologies (cont.)

Regulation & Techno-economic aspectsThe actorsUniversal Service ObligationTechnology NeutralityCompatible set-top boxes specs -multimedia home

platformAnalogue switch-off dateCable and IPTV vs Free-to-Air (FTA) TVRole of Digital Television Satellite OperatorsDevelopment of Digital television Terrestrial (DTT)

Business models, key success factors, lessons learned, legal context, EU role

Group assignments

Digital Television in Europe: Current status in

European countries

Regulatory frame on Digital Television in Greece

Regulation issues on IPTV

Digital Television Business models

Digital Signage model as a case of Internet TV