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9 About DAB
About Digital Audio Broadcasting (DAB)
DAB digital radio is a new way of broadcasting
radio via a network of terrestrial transmitters.
It provides listeners with more choice and
information delivered in crystal clear, crackle-
free sound quality.
– The technology allows the receiver to lock on
tothestrongestsignalitcannd.
– With DAB digital stations there are no
frequencies to remember, and sets are tuned
by station name, so there’s no returning on the
move.
What is a multiplex?
Digital radio operation is made up of a single
block of frequencies called a multiplex. Each
multiplex works within a frequency spectrum,
such as Band III for DAB broadcasts.
DAB BROADCASTERS AND DLS
Each DAB broadcaster (or multiplex operator)
also provides text and audio data services.
Some programmes are supported by Dynamic
Label Segments (DLS).This is data which you
can read as scrolling text on your DAB radio
display. Some stations transmit the latest news,
travel, and weather, what’s on now and next,
website addresses and phone numbers.
For more information on digital radio coverage
and services, please visit: www.drdb.org.