(19)

(11)

EP 1 969 899 A1

(12)

(43) Date of publication: 17.09.2008 Bulletin 2008/38 (21) Application number: 05853729.1 (22) Date of filing: 12.12.2005

(51) International Patent Classification (IPC):  H04R 25/00(2006.01) (86) International application number: PCT/US2005/044881 (87) International publication number: WO 2007/070025 (21.06.2007 Gazette 2007/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: Revolution Acoustics, Ltd Ballsbridge 4 Dublin (IE)	(72) Inventors: SAINT VINCENT, Stephen Ames, Iowa 50014 (US) KATZ, Robert Montréal, Québec H3V 1C2 (CA) DUCHESNE, Sylvain Bromont, Québec J2L 2A8 (CA) (74) Representative: Ebner von Eschenbach, Jennifer  LADAS & PARRY LLP Dachauerstrasse 37 80335 München 80335 München (DE)