Dab+ (Digital Radio) Function; What Is Dab; Data Compression - TechniSat VIOLA 2 Mode D'emploi

6 DAB+ (digital radio) function

6.1 What is DAB+?

DAB+ is a new digital format through which crystal clear sound with no noise can
be heard. In contrast to conventional analogue radio stations, DAB+ can be used to
broadcast multiple stations on one and the same frequency. This is referred to as an
ensemble or multiplex. An ensemble is comprised of the radio station, as well as several
service components or data services, which are broadcast individually by the radio
stations. There is information at

6.1.1 Data compression

With this, digital radio takes advantage of the properties of human hearing. The human
ear does not perceive sounds which are found under a specific minimum volume. Data
which are found under the so-called audibility threshold can, therefore, be filtered
out. This is possible because, in a digital data stream, the relevant relative volume for
other units is saved for every unit of information. Moreover, in an audio signal, the
quieter parts are superimposed by louder ones at a specific limit value. All the sound
information below the threshold of hearing in a piece of music can be filtered out of
www.digitalradio.de or www.digitalradio.ch, for example.
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