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Digital Audio Broadcasting (DAB)

EUREKA Project 147 (DAB) developed a system for the broadcasting of audio and data to fixed, portable or mobile receivers. Their work resulted in the DAB standard ETS 300 401, which now has world-wide acceptance. The members of the Eureka 147 Project are drawn from broadcasting organizations and telecommunication providers together with companies from the professional and consumer electronics industry.

The WorldDAB Forum external_link.gif (660 bytes)  is an umbrella organization set up to promote the DAB standard. 

  • The DAB system is a novel sound broadcasting system intended to supersede the existing analogue Amplitude and Frequency Modulation (AM, FM) systems. It is a rugged, yet highly spectrum and power efficient sound and data broadcasting system. It has been designed for terrestrial and satellite as well as for hybrid and mixed delivery.

  • DAB is seen as the future of radio as it makes more efficient use of crowded airwaves and provides CD-quality sound that is noticeably better than an FM analogue broadcast. DAB broadcasts are virtually immune from interference and fading (i.e. programmes are not suddenly lost when the car passes through a tunnel or under power lines).

  • As well as offering better sound quality, DAB allows broadcasters to transmit text or data relating to the programme, so listeners could read on an a small LCD screen related information and even a succession of images like a slide show, with images changing every few seconds.

  • One of the principal advantages of switching to DAB is that a single frequency (called a "Multiplex") can carry up to six stereo or 12 mono services or any combination in between. DAB allows to go beyond audio and use some of the "Multiplex" capacity to transmit data that is not related to programming such as broadcast of financial data and digital video

  • Examples of DAB receiving equipment: car radios, sets for the home, PC plug-in receiver cards, etc.

Deliverables

ETSI Technical Bodies

EBU/CENELEC/ETSI Joint Technical Committee Broadcast is responsible for standards for DAB.

ETSI publications:

EN 50255

 

Digital Audio Broadcasting system - Specification of the Receiver Data Interface

CENELEC

1997-11

EN 50248

 

Characteristics of DAB Receivers

CENELEC

1997-11

EN 50320

 

Specification of DAB Command Set for Receivers

CENELEC

2000

EN 300 401

(under revision)

1.3.3

Digital Audio Broadcasting (DAB); DAB to mobile, portable and fixed receivers

ETSI

2001-05

EN 300 797

(under revision)

1.1.1

Digital Audio Broadcasting (DAB); Distribution Interfaces; Service Transport Interface (STI)

ETSI

1999-02

EN 300 798

1.1.1

Digital Audio Broadcasting (DAB); Distribution Interfaces; Digital baseband In-phase and Quadrature (DIQ) Interface

ETSI

1998-03

ETS 300 799

1

Digital Audio Broadcasting (DAB); Distribution interfaces; Ensemble Transport Interface

ETSI

1997-09

EN 301 234

(under revision)

1.2.1

Digital Audio Broadcasting (DAB); Multimedia Object Transfer (MOT) Protocol

ETSI

1999-02

EN 301 700

1.1.1

Digital Audio Broadcasting (DAB); Service referencing from FMRDS; Definition and use of RDS-ODA

ETSI

2000-03

ES 201 735

1.1.1

Digital Audio Broadcasting (DAB); Internet Protocol (IP) Datagram Tunnelling

ETSI

2000-09

ES 201 736

1.1.1

Digital Audio Broadcasting (DAB); Network Independent Protocols for Interactive Services

ETSI

2000-09

ES 201 737

1.1.1

Digital Audio Broadcasting (DAB); DAB Interaction Channel through GSM/PSTN/ ISDN/DECT

ETSI

2000-04

TR 101 495

(under revision)

1.1.1

Digital Audio Broadcasting (DAB); Guide to DAB Standards; Guidelines and Bibliography

ETSI

2000-11

TR 101 496-1

1.1.1

Digital Audio Broadcasting (DAB); Guidelines and Rules for implementation and Operation, Part 1: System Outline

ETSI

2000-11

TR 101 496-2

1.1.2

Digital Audio Broadcasting (DAB); Guidelines and Rules for implementation and operation, Part 2: System Features

ETSI

2001-05

TR 101 496-3

1.1.2

Digital Audio Broadcasting (DAB); Guidelines and Rules for implementation and operation, Part 3: Broadcast Network

ETSI

2001-05

TR 101 497

1.1.1

Digital Audio Broadcasting (DAB); Rules of operation for the Multimedia Object Transfer (MOT) protocol

ETSI

2002-07

TS 101 498-1

1.1.1

Digital Audio Broadcasting (DAB); Broadcast Web Site Application, Part 1: User Application Specification

ETSI

2000-08

TS 101 498-2

1.1.1

Digital Audio Broadcasting (DAB); Broadcast Web Site Application, Part 2: Basic Profile Specification

ETSI

2000-09

TS 101 499

1.1.1

Digital Audio Broadcasting (DAB); MOT Slide Show; User Application Specification

ETSI

2001-07

TS 101 756

(under revision)

1.1.1

Digital Audio Broadcasting (DAB); Registered Tables

ETSI

2000-10

TS 101 757

1.1.1

Digital Audio Broadcasting (DAB); Conformance Testing for DAB Audio

ETSI

2000-06

TR 101 758

2.1.1

Digital Audio Broadcasting (DAB); DAB Signal Strengths and Receiver Parameters; Targets for Typical Operation.

ETSI

2000-11

TS 101 759

(under revision)

1.1.1

Digital Audio Broadcasting (DAB); DAB Data Broadcasting - Transparent Data Channel

ETSI

2000-09

TS 101 860

1.1.1

Digital Audio Broadcasting (DAB); Distribution Interfaces; Service Transport Interface (STI); STI Levels

ETSI

2001-12

TS 101 993

1.1.1

Digital Audio Broadcasting (DAB); DAB Java Specification

ETSI

2002-03

TS 102 818

(under revision)

1.1.1

Digital Audio Broadcasting (DAB); XML Specification for DAB Electronic Programme Guide (EPG)

ETSI

2002-12

DTS/JTC-DAB-30   Transport and compression for DAB Electronic Programme Guide (EPG) ETSI

 

DTS/JTC-DAB-31

 

DAB adaptation for TMC

ETSI

 
DTS/JTC-DAB-35   Conditional Access ETSI  

 

 

 

Last updated: 2008-07-04 14:26:50