TechniSat VIOLA 2

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the signal to be broadcast. This leads to a reduction of data in the data stream to be
transmied, with no perceptible dierence in sound for the listener (HE AAC v2 process
as a supplementary codification process for DAB+).
6.1.2 Audio stream
With digital radio, audio streams are continuous data streams which contain the MPEG 1
audio layer 2 frames and thereby represent acoustic information. This enables standard
radio channels to be broadcast and listened to on the receiver side. Digital radio
provides you not only with excellent sound quality radio but also additional information.
This may refer to the programme being broadcast or be independent information (e.g.
news, weather, trac, tips).