2008 Digital Media Technologies - Digital TV, Mobile TV, IPTV, MPEG

Published by: Paul Budde Communication Pty Ltd

Published: Aug. 25, 2008 - 134 Pages

Table of Contents

1. Trends and Frequencies

1.1 Introduction

1.2 Analogue versus digital broadcasting

1.2.1 Multi-channel and multi-purpose

1.2.2 Dynamic bandwidth allocation

1.2.3 Quality trade-offs

1.2.4 Storage and replay

1.2.5 Flexibility of playback

1.2.6 Encryption and conditional access

1.2.7 User control and diversity

1.2.8 Digital Rights Management (DRM)

1.2.9 Interactivity and E-Commerce

1.2.10 Competition with increased numbers of channels

1.2.11 Integration with Internet delivery

1.2.12 Interactivity and datacasting

1.2.13 Single frequency networks (SFN)

1.2.14 Satellite and terrestrial

1.2.15 Fixed and mobile

1.3 Frequency, wavelength and propagation

1.3.1 Electromagnetic radiation

1.3.2 Amplitude and frequency modulation

1.3.3 Health aspects of electromagnetic radiation

1.3.4 Propagation and antennae

1.4 Analogue TV and radio

1.4.1 NTSC and PAL analogue TV

1.4.2 Propagation and business models

2. Television - DVB

2.1 Introduction

2.1.1 Distinctions between television, sound and mobile broadcasting

2.1.2 ITU recommendations

2.1.3 Encoding, modulation and transmission subsystems

2.2 Digital television broadcasting

2.2.1 Digital Video Broadcasting (DVB)

2.2.2 DVB-T

2.2.3 DVB-T2

2.2.4 DVB-S

2.2.5 DVB-S2

3. Television - ATSC, ISDB and Middleware

3.1 ISDB

3.1.1 ISDB - OFDM in Japan

3.1.2 ISDB-T in Brazil

3.1.3 B-CAS for conditional access

3.1.4 Band Segmented Transmission (BST)

3.1.5 Partial reception and loss of frequency diversity

3.1.6 Hierarchical transmission

3.1.7 IDSB-Tsb (Sound Broadcasting)

3.1.8 1seg

3.2 Advanced Television Systems Committee (ATSC) - USA

3.2.1 8-VSB Vestigial Sideband

3.2.2 8-VSB challenged by Sinclair Broadcast Group

3.2.3 Single frequency networks not possible

3.2.4 Enhanced E8-VSB

3.2.5 Failure of regulation to protect the interests of the public

3.3 DVD, HDTV and IPTV

3.3.1 High Definition TV (HDTV)

3.3.2 Internet Protocol TV (IPTV)

3.3.3 Personal Video Recorders (PVRs)

3.3.4 Commercial and strategic factors in standardisation

3.3.5 Lossy compression techniques

3.3.6 Data rates for sound and video

3.3.7 Video compression

3.4 Digital TV Middleware

3.4.1 DVB Multimedia Home Platform (MHP)

3.4.2 IP Datacasting - DVB-IPDC

4. Sound and Narrowband

4.1 Introduction

4.2 Narrowband Digital Audio Broadcasting

4.2.1 FM RDS

4.2.2 FM DirectBand

4.2.3 Digital Radio Mondiale (DRM)

4.2.4 In-Band-On-Channel (IBOC) HD Radio

4.3 Digital Audio/Multimedia Broadcasting (DAB/DMB)

4.3.1 Eureka 147

4.3.2 Multiple transmitters for DAB and DTTB

4.3.3 DAB+

4.3.4 Commercial and administrative differences

4.4 Satellite systems

4.4.1 WorldSpace

4.4.2 Sirius

4.4.3 XM

5. Mobile TV

5.1 Broadcasting to handheld devices

5.1.1 3G Networks unsuitable

5.1.2 Mobile broadcasting requirements

5.1.3 Digital Video Broadcasting-Handheld (DVB-H)

5.1.4 Terrestrial Digital Multimedia Broadcasting (T-DMB)

5.1.5 MobaHo (MBSAT) CDM direct broadcast satellite

5.1.6 South Korean S-DMB

5.1.7 MediaFLO

5.1.8 Mobile WiMAX 802.16e

5.2 Comparing the major technologies

5.2.1 T-DMB versus DVB-H and MediaFLO

5.2.2 Frequency diversity

5.2.3 Frequency domain power reduction

5.2.4 Time domain power reduction

5.2.5 Time Diversity versus Tune-in Time

5.2.6 Channels per Megahertz

6. Audio Visual Coding - MPEG

6.1 MPEG 1 and MP3

6.1.1 Introduction

6.1.2 Data compression and ‘coding’

6.1.3 MPEG-1

6.1.4 MPEG-1 Audio Layers I and II

6.1.5 MPEG-I Audio Layer III (MP3)

6.1.6 Other lossy audio compression standards

6.2 MPEG 2 AAC and Video

6.2.1 Introduction

6.2.2 MPEG-2 Transport Stream

6.2.3 MPEG-2 audio compression

6.2.4 MPEG-2/4 Advanced Audio Coding (AAC)

6.2.5 MPEG-4 Parametric Audio Coding - HILN

6.2.6 MPEG-2 video compression

6.3 MPEG 4 video and VRML

6.3.1 Introduction

6.3.2 MPEG-4 video and multimedia compression

6.3.3 Advanced Video Coding - H.264/AVC

6.3.4 Interactive and VRML elements

6.3.5 MPEG-7 metadata

6.3.6 MPEG-21 Digital Rights Management

7. Glossary of Abbreviations

Abstract

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