METHOD AND APPARATUS FOR SUPPRESSING ACOUSTIC BACKGROUND NOISE IN A COMMUNICATION SYSTEM - Patent 1238479

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EP 1 238 479 A1

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(43)	Date of publication:
	11.09.2002 Bulletin 2002/37

(21)	Application number: 00980890.8

(22)	Date of filing: 30.11.2000

(51)	International Patent Classification (IPC)⁷: H04B 15/00

(86)	International application number:
	PCT/US0032/610

(87)	International publication number:
	WO 0104/1334 (07.06.2001 Gazette 2001/23)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

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Priority:

03.12.1999 US 168955 P
28.11.2000 US 723939

(71)	Applicant: MOTOROLA, INC.
	Schaumburg, IL 60196 (US)

(72)	Inventors:
	RAMABADRAN, Tenkasi, V. Naperville, IL 60565 (US) ASHLEY, James, P. Naperville, IL 60565 (US)

(74)	Representative: McCormack, Derek James et al
	MotorolaEuropean Intellectual Property OperationsMidpointAlencon Link BasingstokeHampshire RG21 7PL BasingstokeHampshire RG21 7PL (GB)

(54)	METHOD AND APPARATUS FOR SUPPRESSING ACOUSTIC BACKGROUND NOISE IN A COMMUNICATION SYSTEM