(19)
(11) EP 1 964 442 A1

(12)

(43) Date of publication:
03.09.2008 Bulletin 2008/36

(21) Application number: 05822900.6

(22) Date of filing: 20.12.2005
(51) International Patent Classification (IPC): 
H04S 3/00(2006.01)
 H04S 5/00(2006.01)
(86) International application number:
PCT/EP2005/013738
(87) International publication number:
WO 2007/071270 (28.06.2007 Gazette 2007/26)
(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: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung
80686 München (DE)

(72) Inventors:
  • HELLMUTH, Oliver
    91052 Erlangen (DE)
  • HERRE, Juergen
    91054 Buckenhof (DE)
  • POPP, Harald
    90587 Tuchenbach (DE)
  • WALTER, Andreas
    96052 Bamberg (DE)

(74) Representative: Zinkler, Franz et al
Schoppe, Zimmermann, Stöckeler & Zinkler Patentanwälte Postfach 246
82043 Pullach bei München
82043 Pullach bei München (DE)

   


(54) APPARATUS AND METHOD FOR SYNTHESIZING THREE OUTPUT CHANNELS USING TWO INPUT CHANNELS