(19)

(11)

EP 2 907 324 A1

(12)

(43) Date of publication: 19.08.2015 Bulletin 2015/34 (21) Application number: 13771123.0 (22) Date of filing: 27.09.2013

(51) International Patent Classification (IPC):  H04R 3/04(2006.01) (86) International application number: PCT/EP2013/070262 (87) International publication number: WO 2014/060204 (24.04.2014 Gazette 2014/17)

(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 (30) Priority: 15.10.2012 US 201213652023 (71) Applicant: Dolby International AB 1101 CN Amsterdam (NL)	(72) Inventor: EKSTRAND, Per S-113 30 Stockholm (SE) (74) Representative: Dolby International AB Patent Group Europe  Apollo Building, 3E Herikerbergweg 1-35 1101 CN Amsterdam Zuidoost 1101 CN Amsterdam Zuidoost (NL)