Editing Digital Audio Broadcasting (section)

====More stations====
DAB is not more bandwidth efficient than analogue measured in programmes per MHz of a specific transmitter (the so-called [[link spectral efficiency]]), but it is less susceptible to co-channel interference (cross talk), which makes it possible to reduce the [[reuse distance]], i.e. use the same radio frequency channel more densely. The [[system spectral efficiency]] (the average number of radio programmes per MHz and transmitter) is a factor three more efficient than analogue FM for local radio stations. For national and regional radio networks, the efficiency is improved by more than an order of magnitude due to the use of [[single-frequency network|SFN]]s. In that case, adjacent transmitters use the same frequency.

In certain areas – particularly rural areas – the introduction of DAB gives radio listeners a greater choice of radio stations. For instance, in [[Southern Norway]], radio listeners experienced an increase in available stations from 6 to 21 when DAB was introduced in November 2006.