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Operation
Listening to DAB broadcasts
• Since the DAB system is broadcasted in digital format, DAB system can supply crystal-clear audio and stable reception even in
mobile objects. DAB is a new generation radio which can provide data service and supplementary multi-media services.
• DAB broadcasts multiple services under one Ensemble that are called service components.
• Each component contains inherent programmes; news, music, sports, and many more.
• Each Ensemble and service component has its label, and users can recognize a current broadcasting station and service
contents by using the label.
• The main service component is broadcast as Primary while the others are broadcast as Secondary.
• Also rich character information is serviced through Dynamic Labels; song title, artist composer etc.
DAB Signal
Ensemble
Service
Components
Ensemble
Name
Station Name
Programme type
National DAB
(Service 1)
Alpha 1
(Primary)
Pop Music
Parliament
(Secondary)
News
Alpha 2
Sports
Alpha 3
Classic
Alpha 4
Educate
(Service 2) (Service 3) (Service 4)
DAB Service Diagram
About DAB (Digital Audio Broadcasting)
