BBC Four: Διαφορά μεταξύ των αναθεωρήσεων

 

==BBC Four HD==

On 16 July 2013, the BBC announced that a [[High-definition television|high-definition]] (HD) [[simulcast]] of BBC Four would be launched by early 2014.<ref>{{cite web|url=http://www.bbc.co.uk/news/technology-23326709|title=BBC to launch five new HD channels|publisher=BBC News|date=16 July 2013|accessdate=16 July 2013}}</ref> The channel launched on 10 December 2013, though will roll-out nationwide up to June 2014 (as will [[BBC News (TV channel)|BBC News HD]] and [[CBeebies|CBeebies HD]]).<ref>{{cite web|url=http://www.bbc.co.uk/mediacentre/latestnews/2013/new-hd-channels.html|title=BBC to launch five new subscription-free HD channels on Tuesday 10 December|publisher=[[BBC]]|date=9 December 2013|accessdate=9 December 2013}}</ref> The channel broadcasts on the BBC's new HD multiplex on Freeview and shares its stream with [[CBeebies|CBeebies HD]] as they both air at different times. Prior to launch, the majority of BBC Four's HD output was broadcast on the [[BBC HD]] channel before its closure on 26 March 2013.