NOISE SUPPRESSION - ERICSSON TELEFON AB L M

Title:

NOISE SUPPRESSION

Document Type and Number:

WIPO Patent Application WO2002080149

Kind Code:

A8

Abstract:

A network noise suppressor includes means (113) for partially decoding a CELP coded bit-stream. Means (116) determine a noise suppressing filter H(z) from the decoded parameters. Means (118, 120) use this filter to determine modified LP and gain parameters. Means (122) overwrite corresponding parameters in the coded bit-stream with the modified parameters.

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Inventors:

ERIKSSON ANDERS
TRUMP TOENU

Application Number:

PCT/SE2002/000534

Publication Date:

March 17, 2005

Filing Date:

March 20, 2002

Export Citation:

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Assignee:

ERICSSON TELEFON AB L M (SE)

International Classes:

G10L21/02; G10L21/0208; (IPC1-7): G10L21/02

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