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(11)

EP 3 251 374 A1

(12)

(43) Date of publication: 06.12.2017 Bulletin 2017/49 (21) Application number: 16702770.5 (22) Date of filing: 27.01.2016

(51) International Patent Classification (IPC):  H04N 21/835(2011.01) H04N 21/2362(2011.01) H04N 21/6334(2011.01) H04N 21/442(2011.01) H04N 21/2389(2011.01) H04N 21/236(2011.01) H04N 21/434(2011.01) H04N 21/443(2011.01) (86) International application number: PCT/GB2016/050177 (87) International publication number: WO 2016/120619 (04.08.2016 Gazette 2016/31)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 28.01.2015 GB 201501431 (71) Applicant: British Broadcasting Corporation London W1A 1AA (GB)	(72) Inventors: POOLE, Chris London Greater London W1A 1AA (GB) EARNSHAW, Nigel London Greater London W1A 1AA (GB) (74) Representative: Loveless, Ian Mark  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)