(19)

(11)

EP 2 027 750 A2

(12)

(88) Date of publication A3: 29.03.2007 (43) Date of publication: 25.02.2009 Bulletin 2009/09 (21) Application number: 06763663.9 (22) Date of filing: 13.06.2006

(51) International Patent Classification (IPC):  H04R 25/00(2006.01) (86) International application number: PCT/EP2006/063136 (87) International publication number: WO 2007/014795 (08.02.2007 Gazette 2007/06)

(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 Designated Extension States: AL BA HR MK RS (71) Applicant: Phonak AG 8712 Stäfa (CH)	(72) Inventor: LUO, Henry Waterloo, N2L 5Y6 (CA) (74) Representative: Werner, André  Troesch Scheidegger Werner AG, Schwäntenmos 14 8126 Zumikon 8126 Zumikon (CH)