DIGITAL SPEECH CODER WITH VECTOR EXCITATION SOURCE HAVING IMPROVED SPEECH QUALITY - Patent 0484339

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EP 0 484 339 A1

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(43)	Date of publication:
	13.05.1992 Bulletin 1992/20

(21)	Application number: 90908908.0

(22)	Date of filing: 02.05.1990

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International Patent Classification (IPC):

G10L 19/ 12^{( . )}

G10L 19/ 00^{( . )}

(86)	International application number:
	PCT/US1990/002469

(87)	International publication number:
	WO 1991/001545 (07.02.1991 Gazette 1991/04)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

23.06.1989 US 19890370541

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

(72)	Inventor:
	GERSON, Ira, Alan Hoffman Estates, IL 60195 (US)

(74)	Representative: Lupton, Frederick, et al
	Motorola European Intellectual Property Operations Jays Close Viables Industrial Estate Basingstoke, Hants RG22 4PD Basingstoke, Hants RG22 4PD (GB)

(54)	DIGITAL SPEECH CODER WITH VECTOR EXCITATION SOURCE HAVING IMPROVED SPEECH QUALITY