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More digital radio stations. Ofcom - finally - proposes DAB+

You can almost hear the sound of "beep, beep, vehicle reversing". After many years of dismissing DAB+ as a UK broadcasting standard, Ofcom have announced that the time of DAB+ is approaching.

More listing choice: This could double the number of digital radio stations.  Photograph: Shutterstock
More listing choice: This could double the number of digital radio stations. Photograph: Shutterstock
published on UK Free TV

From the new consultation document, Broadcast Digital Radio Technical Codes and Guidance Consultation on updates and amendments

The proposal is to allow the use of the High-Efficiency Advanced Audio Coding in addition to the MPEG-1 Audio Layer II that is used to encode the sound into the DAB broadcast. It does not change the fundamental levels, which remains Orthogonal frequency-division multiplexing.

Ofcom says, in Section 2 Introduction of alternative audio encoding: DAB+

2.4 Use of HE-AAC encoded services within a DAB multiplex has been termed DAB+. The benefits of DAB+ are that it enables audio services to be broadcast at a higher sound quality for a given bitrate than MP2 or to fit additional services into a multiplex at a lower bitrate than MP2 but with equivalent quality. This provides the opportunity to carry many more services and/or better audio quality for services operating in the same spectral occupancy.

2.5 In our 2007 consultation The Future of Radio we said that adoption of DAB+ could be desirable if this was the future direction of DAB across the world. DAB+ is now being adopted in many countries across Europe as well as Australia and other parts of the world.

2.7 It is likely that a complet change to DAB+ in the UK would be a longer term transition that would take into account the installed base of DAB-only receivers in the UK and the current relatively low level of penetration of sets that are compatible with DAB+. It is however likely to be beneficial to include the DAB+ standard into the Digital Code and to permit its limited deployment now and therefore enable the future wider adoption of the technology in the UK.

2.10 Inclusion of DAB+ in the Digital Radio Technical Code does not provide consent for services on existing multiplexes to switch to DAB+. Ofcom would however consider requests for services to switch to DAB+ from operators of existing multiplexes, taking into account the reasons for the request and the potential impact upon listeners that such a change would entail.

I am going to make a guess that this is going to please all the readers of UK Free TV!



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