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in the data stream to be transmied, with no perceptible dierence in
sound for the listener (HE AAC v2 process as a supplementary codification
process for DAB+).
5.1.2 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 with 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, trac, tips).
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