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
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
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
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
Digital Radio: Ways of BroadcastingDigital Radio: Ways of Broadcasting
Internet Radio:
Digital Radio with cable
Digital Audio/Multimedia Broadcasting (DAB/DMB)
Digital Radio with satellite
Digital Radio: Ways of BroadcastingDigital Radio: Ways of Broadcasting
Countries where DAB/DAB+/DMB exist
Existence ProblemExistence Problem
ConclusionConclusion
…..
WEBIOGRAPHYWEBIOGRAPHY
vdl.fr
en.wikipedia.org
transmissions-radio.chez-alice.fr
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