POST-AMPLIFICATION STEREOPHONIC TO SURROUND SOUND DECODING CIRCUIT - Patent 1064824

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EP 1 064 824 A1

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(43)	Date of publication:
	03.01.2001 Bulletin 2001/01

(21)	Application number: 97913055.6

(22)	Date of filing: 14.11.1997

(51)	International Patent Classification (IPC)⁷: H04S 3/00

(86)	International application number:
	PCT/CA9700/882

(87)	International publication number:
	WO 9926/455 (27.05.1999 Gazette 1999/21)

(84)	Designated Contracting States:
	AT BE DE DK ES FR GB IT NL PT

(71)	Applicant: W. Waves (USA) Inc.
	Laval,Quebec H7T 2P6 (CA)

(72)	Inventor:
	PINEAU, Martin Ville Lasalle, Quebec H8R 4B4 (CA)

(74)	Representative: Heusch, Christian
	c/o OK pat AG,Hinterbergstrasse 36 6330 Cham 6330 Cham (CH)

(54)	POST-AMPLIFICATION STEREOPHONIC TO SURROUND SOUND DECODING CIRCUIT