T DAB Presentation on 19th December 2006

Information about T DAB Presentation on 19th December 2006

Published on October 17, 2007

Author: Alien

Source: authorstream.com

Content

T-DAB Presentation :  T-DAB Presentation Intercontinental Hotel, Nairobi, Kenya 19th December 2006 Eng. Leo K. Boruett ASSISTANT DIRECTOR FREQUENCY PLANNING COMMUNICATIONS COMMISSION OF KENYA SCOPE:  SCOPE Introduction T-DAB technology Digital Radio Standards T-DAB EUREKA 147 T-DAB Version 2 Limitations of T-DAB Implementations of T-DAB Conclusions Wayforward Introduction:  Introduction Terrestrial - Digital Audio Broadcasting (T-DAB) is a technology for broadcasting audio programming in digital form, designed in the late 1980s in Europe by a consortium of broadcasters. Commercial T-DAB receivers began to be sold in 1999. The RRC-06 conference established a plan for (T-DAB) Terrestrial-Digital Audio Broadcasting in the frequency bands 174 - 230 MHz (VHF Band III) T-DAB technology:  T-DAB technology T-DAB is a digital radio broadcasting system, that through the application of multiplexing and compression techniques, combines multiple audio streams onto a single broadcast frequency called a T-DAB Multiplex. Within a T-DAB multiplex, individual stations can be allocated different bit rates. The number of channels within a T-DAB multiplex can be increased by lowering average bit rates, but at the expense of the quality of streams. Error correction under the T-DAB standard makes the signal more robust, but also reduces the total bit rate available for streams. Receivers separate and decode the signals in the digital stream. Digital Radio Standards:  Digital Radio Standards The Eureka 147 standard of T-DAB technology is coordinated by the World DMB Forum, which represents more than 30 countries. The United States has opted for a proprietary system called HD Radio). Japan is also broadcasting digital radio but using a different system called Integrated Services Digital Broadcasting. Digital television services also incorporate some digital audio channels on spare bandwidth using DVB-T and DVB-H standards. T-DAB EUREKA 147:  T-DAB EUREKA 147 Frequency Bands T-DAB can use the following frequency bands for broadcasting: VHF Band III – Frequency band 174–240 MHz L-Band – Frequency band 1452–1492 MHz Each T-DAB Multiplex utilises 1.75 MHz spectrum. Therefore in one 7MHz channel in VHF band III, you can accommodate 4 T-DAB multiplexes. For example, Channel 12 has T-DAB Multiplexes 12A,12B,12C,12D. T-DAB EUREKA 147:  T-DAB EUREKA 147 Services Various different services are embedded into one Multiplex: Primary services, like main radio stations Data services Electronic Programme Guide (EPG) Collections of HTML pages and digital images Slideshows, which may be synchronised with audio broadcasts T-DAB EUREKA 147:  T-DAB EUREKA 147 Multiplex capacity The data transfer rate for a T-DAB Multiplex (1.75MHz) will be approximately 1.2 Mbit, and is able to provide: five CD quality programs; or six FM quality services; or 12 AM quality services In the UK, most services transmit use 'protection level three', being an FEC of 0.5 which equates to a maximum bit rate per multiplex of 1152 kbit/s. The typical bitrate per audio channel ranges from 160 kbit/s to 192 kbit/s ‘T-DAB version 2':  ‘T-DAB version 2' WorldDMB has announced that T-DAB would be adopting the HE-AAC audio codec, which is also known as AAC+. Receivers that support the new T-DAB standard will be released in the UK in 2007. The new HE-AAC audio format is around 3 - 4 times as efficient as the old MPEG-1_Audio_Layer_II audio format. Limitations of T-DAB:  Limitations of T-DAB Lack of global agreement on standards. Several T-DAB schemes are being promoted in the United States and Japan, none of which is compatible with the "Eureka 147" The improved HE-AAC codec for T-DAB is not backwards compatible, leaving early T-DAB adopters with incompatible hardware. T-DAB chipsets have never been power efficient. Revised T-DAB 2 AAC+ chipsets are projected by manufacturers to be up to 7 times more power efficient, increasing battery life for portable radios by a factor of approximately three. Implementations of T-DAB :  Implementations of T-DAB Australia In October 2005, Australia adopted the Eureka 147 system. The Australian Government has set 1st January 2009 as the launch date for digital radio in the country. Austria In Austria so far there is a test operation of T-DAB by the national broadcasting company. Up to now no decision on a date for starting with commercial transmissions has been taken. Belgium T-DAB was launched in Belgium in 1997. Investments in new T-DAB services and more networks are expected, especially for the commercial and regional networks. An upgrade of the transmitter network for excellent indoor coverage is planned. Implementations of T-DAB:  Implementations of T-DAB Canada Currently, the national broadcaster operates commercial T-DAB stations in in many parts of the country. China China already broadcast some T-DAB programs at Beijing and Guangdong. Czech Republic There is currently no T-DAB coverage in the Czech Republic.The digital radio stations are currently transmitting via DVB-T and the Internet. The process of issuing T-DAB licences commenced on autumn 2006. Implementations of T-DAB:  Implementations of T-DAB Denmark In Denmark, an extensive rollout of T-DAB has been made by the national public broadcaster. 700,000 Danes (13%) had access to a T-DAB radio in 2006. The goal is that the entire country should be covered in 2007 Finland Finland switched off their T-DAB transmitters in 2005. Finland is now investigating providing digital radio via other digital broadcasting systems, such as DVB-H. France Only one VHF T-DAB assignment is implemented. In France, T-DAB is implemented in L-band. However, for the future digital Plan, France has decided to implement T-DAB in Band III. The five largest French radio broadcasters are currently participating in a trial of the DVB-H digital broadcasting system in Paris. Implementations of T-DAB:  Implementations of T-DAB Germany After some years of test operation, regular T-DAB service was launched in April 1999. At present about 85% of the German households are located within the service area of T-DAB transmitter networks. However, the market penetration of receiver equipment is still considered low. Indonesia Indonesia began T-DAB trial transmission in August 2006 on four radio stations. Implementations of T-DAB:  Implementations of T-DAB Ireland Ireland's national broadcaster completed T-DAB trials on 13th July 2006. T-DAB development is limited, at least in the short term, by the lack of Band III frequencies - only 12C is allocated for the entire country, with 12A allocated to commercial broadcasting. 11B, 11C, 11D and 12D are also allocated to regional services, but collision with Band III television and Northern Irish T-DAB allocations make these mostly unusable for the time being Korea On 1st December 2005, South Korea launched its T-DMB service which includes both television and radio stations. T-DMB is a derivative of T-DAB with specifications published by ETSI. Implementations of T-DAB:  Implementations of T-DAB Malta T-DAB spectrum licenses were awarded in March 2006 on 3 T-DAB band III frequency blocks. The Netherlands In March 2005, Netherlands postponed plans to push ahead with rolling out T-DAB, and will instead wait for new technologies to arrive so that they can be assessed. The new technologies, which include the new version of T-DAB, DRM+ and DVB-H, are much more efficient than the current version of T-DAB. New Zealand New Zealand is trialing T-DAB since November 2006 in Wellington and west Auckland. Implementations of T-DAB:  Implementations of T-DAB Norway More than 15 stations are available on T-DAB. T-DAB radio in Norway is divided into a national multiplex on channel 12D, and several regional multiplexes. The first test transmissions were started in the middle of the 1990s. As of 26th November 2006, the T-DAB coverage was 80% of the population. Norway aims at reaching full national DAB coverage before 2014. However, FM is by far the most common method of radio distribution. Poland Poland plans to accommodate three national T-DAB layers and one national DVB-T multiplex. There are also considerations to implement DMB and DVB-H. The public broadcaster intends to locate its own audio services within the DVB-T multiplex. Implementations of T-DAB:  Implementations of T-DAB Romania As of summer 2005, in Bucharest there is a single emitter that broadcasts five radio stations multiplexed on channel 12A (223,936 MHz - Band III). The five digital radio stations are three public service and two commercial service. Russian Federation There are no T-DAB transmitters working at present time, but there are plans to grant two licences for commercial T-DAB broadcasting services. Singapore In Singapore, T-DAB was launched in 1999. Using the Eureka 147 T-DAB system, the system provides six digital-only stations and eight simulcast FM services, along with images and text to supplement the audio. Singapore was the first country to reach full T-DAB coverage. Implementations of T-DAB:  Implementations of T-DAB Sweden On 27th November 2006, the Swedish government freezed further investment in T-DAB, citing that T-DAB was very expensive to transmit and that cheaper digital radio systems should be investigated, and digital radio should also be transmitted via the Internet and via the digital terrestrial TV system. Switzerland In 2005, the North-Eastern parts of Switzerland were covered by T-DAB services. In 2006, Central Switzerland was added to the T-DAB reception area. By 2010, T-DAB will be available in all of Switzerland. Implementations of T-DAB:  Implementations of T-DAB United Kingdom Currently, in the UK, the public service broadcaster, the BBC, has covered about 85% of the population. Coverage of commercial national T-DAB Digital Radio is at 88% of the population. A low cost silicon chip that was recently developed is used in the majority of receivers is believed responsible for T-DAB receiver prices falling to as low as £30 in 2006. About 90 UK local radio stations are either unable to transmit on T-DAB because there is no space for them on a local T-DAB multiplex or because they are unable to pay the high transmission costs of T-DAB. Implementations of T-DAB:  Implementations of T-DAB United States of America While terrestrial T-DAB did not take off in USA, satellite DAB radio systems have been developed, each offering "CD quality" audio and about a hundred channels. In recent years, satellite radio has grown to make a name for itself by providing non-subsciption, all-digital music channels that are similar to local terrestrial broadcast offerings. Conclusions:  Conclusions The T-DAB technology has not been implemented widely, although it has recently experienced a substantial growth in the UK market. The spectrum planned for T-DAB will be available once the existing analogue television services in the targeted band have been migrated to Digital broadcasting. In view of the limited spectrum in the targeted VHF band III, and in order to accommodate as many broadcasters as possible, the T-DAB service is planned to be licensed on the basis of a multiplex operator model. Wayforward:  Wayforward CCK will continue to follow the progress on the development of T-DAB services and other competing technologies such as the new version of T-DAB, DRM+, DVB-T and DVB-H services, and make a decision on the way forward once the trend of the implementation of these technologies and services becomes clear.

Related presentations


Other presentations created by Alien

Physical Security Lecture
05. 01. 2008
0 views

Physical Security Lecture

GREEK THEATRE
15. 10. 2007
0 views

GREEK THEATRE

Singapore National Symbols
14. 09. 2007
0 views

Singapore National Symbols

Origins of the Cold War
23. 12. 2007
0 views

Origins of the Cold War

CG43SlideSet
30. 04. 2008
0 views

CG43SlideSet

kaiser pres
28. 04. 2008
0 views

kaiser pres

GoldDifferences
22. 04. 2008
0 views

GoldDifferences

visn8
17. 04. 2008
0 views

visn8

Nov24 Regulatory approaches
16. 04. 2008
0 views

Nov24 Regulatory approaches

dr rom
14. 04. 2008
0 views

dr rom

file 6943
13. 04. 2008
0 views

file 6943

The Peak Oil Context Tom Petrie
10. 04. 2008
0 views

The Peak Oil Context Tom Petrie

H106g
09. 04. 2008
0 views

H106g

JapaneseGeography
07. 04. 2008
0 views

JapaneseGeography

Hamburg 2007
14. 09. 2007
0 views

Hamburg 2007

lfg
14. 09. 2007
0 views

lfg

Eddie Final Presentation
14. 09. 2007
0 views

Eddie Final Presentation

chalmers
14. 09. 2007
0 views

chalmers

The Rain Forest Final
14. 09. 2007
0 views

The Rain Forest Final

ECAKnowledgeFair
12. 10. 2007
0 views

ECAKnowledgeFair

Ch18part1
15. 10. 2007
0 views

Ch18part1

WNV AVB 02212006
21. 10. 2007
0 views

WNV AVB 02212006

giraffe pp
14. 09. 2007
0 views

giraffe pp

giraffe powerpoint
14. 09. 2007
0 views

giraffe powerpoint

giraffe
14. 09. 2007
0 views

giraffe

COOL STUFF ABOUT GIRAFFES
14. 09. 2007
0 views

COOL STUFF ABOUT GIRAFFES

ub041104
23. 10. 2007
0 views

ub041104

STORY OF THEME AND PLOT
23. 10. 2007
0 views

STORY OF THEME AND PLOT

PhiladelphiaZooPPP
14. 09. 2007
0 views

PhiladelphiaZooPPP

qu10 11
01. 12. 2007
0 views

qu10 11

Angelos CME Energetics
02. 11. 2007
0 views

Angelos CME Energetics

pptPanama s
22. 10. 2007
0 views

pptPanama s

hirotani
13. 11. 2007
0 views

hirotani

bon2003 mpls
29. 10. 2007
0 views

bon2003 mpls

PROF AZZA
23. 10. 2007
0 views

PROF AZZA

Fenton
29. 10. 2007
0 views

Fenton

Countering Offshore
29. 12. 2007
0 views

Countering Offshore

walters082902
23. 11. 2007
0 views

walters082902

razbash
26. 11. 2007
0 views

razbash

DVMRPandMOSPF
01. 01. 2008
0 views

DVMRPandMOSPF

One 783Ngupta
04. 01. 2008
0 views

One 783Ngupta

Chapter 18 PPT
22. 10. 2007
0 views

Chapter 18 PPT

History of NAIS John Wiemers
20. 08. 2007
0 views

History of NAIS John Wiemers

BSP2D
14. 09. 2007
0 views

BSP2D

costarica1 ftparraud
22. 10. 2007
0 views

costarica1 ftparraud

mcmc2000a
06. 11. 2007
0 views

mcmc2000a

050317lc
16. 11. 2007
0 views

050317lc

ALA2003 OAI
04. 10. 2007
0 views

ALA2003 OAI

fwing
22. 10. 2007
0 views

fwing

acute 060727 transfusionmed
23. 10. 2007
0 views

acute 060727 transfusionmed

bckexpk3b
09. 07. 2007
0 views

bckexpk3b

anorexia
09. 07. 2007
0 views

anorexia

070207 Adjektiv
09. 07. 2007
0 views

070207 Adjektiv

A Brachmann
09. 10. 2007
0 views

A Brachmann

mueller jun07
19. 10. 2007
0 views

mueller jun07

Late Classic Maya Collapse
16. 02. 2008
0 views

Late Classic Maya Collapse

ISLAS GALAPAGOS
14. 09. 2007
0 views

ISLAS GALAPAGOS

Heatingoilwebsection ppp
24. 02. 2008
0 views

Heatingoilwebsection ppp

PIndustrialTrucks
26. 02. 2008
0 views

PIndustrialTrucks

ethanap
14. 09. 2007
0 views

ethanap

Propulsion CEV
07. 11. 2007
0 views

Propulsion CEV

MichelleWatt
20. 02. 2008
0 views

MichelleWatt

newsletterfall04
11. 03. 2008
0 views

newsletterfall04

EC T9 2008 Conference Proposal
12. 03. 2008
0 views

EC T9 2008 Conference Proposal

drugstatistics
17. 12. 2007
0 views

drugstatistics

icfa chep06
23. 10. 2007
0 views

icfa chep06

Hubert CW8
14. 09. 2007
0 views

Hubert CW8

A mi Papi 2089
19. 06. 2007
0 views

A mi Papi 2089

An ode to Mothers
19. 06. 2007
0 views

An ode to Mothers

LoffPresentation
17. 10. 2007
0 views

LoffPresentation

Maschera
19. 06. 2007
0 views

Maschera

manual
19. 06. 2007
0 views

manual

Luces De Navidad 1848
19. 06. 2007
0 views

Luces De Navidad 1848

leer
19. 06. 2007
0 views

leer

Lean Six SigmaATL011706
19. 06. 2007
0 views

Lean Six SigmaATL011706

lexisnexis
05. 10. 2007
0 views

lexisnexis

OAT Presentation v5
19. 06. 2007
0 views

OAT Presentation v5

moscatelli
19. 06. 2007
0 views

moscatelli

moon split
19. 06. 2007
0 views

moon split

money plus
19. 06. 2007
0 views

money plus

MKCL
19. 06. 2007
0 views

MKCL

Journey of the Spirit Lesson 6
01. 10. 2007
0 views

Journey of the Spirit Lesson 6

2 Jornada BISHOP
10. 10. 2007
0 views

2 Jornada BISHOP

No esperes
19. 06. 2007
0 views

No esperes

Amores locos 1992
19. 06. 2007
0 views

Amores locos 1992

College English book 2 Unit 7
24. 02. 2008
0 views

College English book 2 Unit 7

A vista de pajaro II 2109
19. 06. 2007
0 views

A vista de pajaro II 2109

Ammosov Vladimir ammosov pra
12. 10. 2007
0 views

Ammosov Vladimir ammosov pra

Amber la mejor de todas
19. 06. 2007
0 views

Amber la mejor de todas

CP317 lecture 6 Huck II 05
11. 12. 2007
0 views

CP317 lecture 6 Huck II 05

AHQA031204Mck
09. 07. 2007
0 views

AHQA031204Mck

Evergreen
03. 01. 2008
0 views

Evergreen

04 NJIT3
02. 01. 2008
0 views

04 NJIT3

Poster A4 Glasgow nov04
04. 10. 2007
0 views

Poster A4 Glasgow nov04

Ally McBeal
09. 07. 2007
0 views

Ally McBeal

sara paige
14. 09. 2007
0 views

sara paige

36181003
24. 10. 2007
0 views

36181003

MusicApprecBaroque 2
22. 11. 2007
0 views

MusicApprecBaroque 2

ELE386 Malware
20. 08. 2007
0 views

ELE386 Malware

RohanShah
12. 10. 2007
0 views

RohanShah

1022MAS net big picture
03. 01. 2008
0 views

1022MAS net big picture

Lo Suficiente 1744
19. 06. 2007
0 views

Lo Suficiente 1744

gm3 jp item14 Mangrove ITTO
22. 10. 2007
0 views

gm3 jp item14 Mangrove ITTO

2005AuditResults
09. 07. 2007
0 views

2005AuditResults

HABIC1 summary
17. 11. 2007
0 views

HABIC1 summary

aro ald informalsession
24. 10. 2007
0 views

aro ald informalsession

etu ambassadeurs juin 07 en
13. 03. 2008
0 views

etu ambassadeurs juin 07 en

Gobert poster
03. 10. 2007
0 views

Gobert poster

Kistenev
15. 11. 2007
0 views

Kistenev

6 History of Chemistry I
12. 10. 2007
0 views

6 History of Chemistry I

Jan2000report
04. 01. 2008
0 views

Jan2000report

course 4
03. 01. 2008
0 views

course 4