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DIGITAL RADIO DIGITAL RADIO Presented by: Presented by: SADELLAH Nizar SADELLAH Nizar Class: Class: SUP.TSI 3 SUP.TSI 3 Classes Préparatoires aux Grandes Ecoles – Filière TSI Classes Préparatoires aux Grandes Ecoles – Filière TSI Lycée Technique d’Application - Mohammedia Lycée Technique d’Application - Mohammedia English Presentation: Science & Technology

Digital radio

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Page 1: Digital radio

DIGITAL RADIODIGITAL RADIO

Presented by:Presented by: SADELLAH Nizar SADELLAH Nizar

Class:Class: SUP.TSI 3 SUP.TSI 3

Classes Préparatoires aux Grandes Ecoles – Filière TSIClasses Préparatoires aux Grandes Ecoles – Filière TSI Lycée Technique d’Application - MohammediaLycée Technique d’Application - Mohammedia

English Presentation: Science & Technology

Page 2: Digital radio

PART I : General and Technological study of Digital Radio

Definition et Principle Digital Radio…Why?

Ways of Broadcasting Existence Problem

PART II: Conclusion

English Project: Science & Technology

Page 3: Digital radio

Digital Radio: Definition and PrincipleDigital Radio: Definition and Principle

Digital Radio

Radio using a digital coding instead of an analogic signal

Conversion of sound to binary

data

Transmission of data with specific

technologies

Page 4: Digital radio

Présentation de la CTM

Présentation des DAS

La matrice ADL

Recommandations stratégiques

Digital Radio…WHY?Digital Radio…WHY?

Analogic RadioAnalogic Radio Digital RadioDigital Radio

Insufficient number of     available frequencies

Reduced coverage area

Difficulties in receiving     mobility

LimitedLimited

Broadcasting adapted to all

appropriate geographic levels

without disturbances.

Improved listening comfort     (better reception mobility)

Using Audio Time Shifting

….

High performanceHigh performance

Page 5: Digital radio

Digital Radio: Ways of BroadcastingDigital Radio: Ways of Broadcasting

Internet Radio:

Page 6: Digital radio

Digital Radio with cable

Digital Audio/Multimedia Broadcasting (DAB/DMB)

Digital Radio with satellite

Digital Radio: Ways of BroadcastingDigital Radio: Ways of Broadcasting

Page 7: Digital radio

Countries where DAB/DAB+/DMB exist

Existence ProblemExistence Problem

Page 8: Digital radio

ConclusionConclusion

…..

Page 9: Digital radio

WEBIOGRAPHYWEBIOGRAPHY

vdl.fr

en.wikipedia.org

transmissions-radio.chez-alice.fr