(19)
(11) EP 1 054 575 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.09.2002 Bulletin 2002/38

(43) Date of publication A2:
22.11.2000 Bulletin 2000/47

(21) Application number: 00304128.2

(22) Date of filing: 16.05.2000
(51) International Patent Classification (IPC)7: H04S 3/00, H04S 5/02
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 17.05.1999 US 313058

(71) Applicant: BOSE CORPORATION
Framingham, Massachusetts 01701-9168 (US)

(72) Inventors:
  • Aylward, Richard J.
    Framingham, MA 01701-9168 (US)
  • Lehnert, Hilmar
    Framingham, MA 01701-9168 (US)

(74) Representative: Brunner, Michael John 
GILL JENNINGS & EVERY, Broadgate House, 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) Directional decoding


(57) The degree of correlation between two audio signals is determined and the channels are normalised according to first and second normalisation modes responsive to correlation and uncorrelation respectively.






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