(19)

(11)

EP 1 486 057 A2

(12)

(88) Date of publication A3: 31.12.2003 (43) Date of publication: 15.12.2004 Bulletin 2004/51 (21) Application number: 03712354.4 (22) Date of filing: 14.03.2003

(51) International Patent Classification (IPC)7: H04N 5/222, H04N 5/272 (86) International application number: PCT/GB2003/001094 (87) International publication number: WO 2003/079694 (25.09.2003 Gazette 2003/39)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 15.03.2002 GB 0206214 (71) Applicant: BRITISH BROADCASTING CORPORATION London W1A 1AA (GB)	(72) Inventors: THOMAS, Graham, Alexander UckfieldEast Sussex TN22 3HA (GB) GRAU, Oliver LeatherheadSurrey KT22 7HD (GB) (74) Representative: Kazi, Ilya et al Mathys & Squire,100 Gray's Inn Road London WC1X 8AL London WC1X 8AL (GB)