USING GAIN-ADAPTIVE QUANTIZATION AND NON-UNIFORM SYMBOL LENGTHS FOR AUDIO CODING - Patent 1175670

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EP 1 175 670 A1

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(43)	Date of publication:
	30.01.2002 Bulletin 2002/05

(21)	Application number: 00922036.9

(22)	Date of filing: 11.04.2000

(51)	International Patent Classification (IPC)⁷: G10L 19/02, H04B 1/66

(86)	International application number:
	PCT/US0009/604

(87)	International publication number:
	WO 0063/886 (26.10.2000 Gazette 2000/43)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

16.04.1999 US 293577
08.07.1999 US 349645

(71)	Applicant: DOLBY LABORATORIES LICENSING CORPORATION
	San Francisco California 94103-4813 (US)

(72)	Inventors:
	DAVIDSON, Grant, Allen San Francisco, CA 94103 (US) ROBINSON, Charles, Quito San Francisco, CA 94103 (US) TRUMAN, Michael, Mead San Francisco, CA 94103 (US)

(74)	Representative: Hoffmann, Eckart, Dipl.-Ing.
	Patentanwalt, Bahnhofstrasse 103 82166 Gräfelfing 82166 Gräfelfing (DE)

(54)	USING GAIN-ADAPTIVE QUANTIZATION AND NON-UNIFORM SYMBOL LENGTHS FOR AUDIO CODING