RU2007140365A

5G,4G,3G

Title

Not Available

Application Number:

RU20070140365

Publication Date:

10-05-2009

Current Assignee:

QUALCOMM INC

Family ID:

36588741

Application Date:

03-04-2006

Declaring Company:

QUALCOMM INC

Publication Country:

US

Priority Date:

01-04-2005

View on Espacenet goto-link

Title

Not Available

Application Number:

RU20070140365

Family ID:

36588741

Publication Country:

US

Publication Date:

10-05-2009

Application Date:

03-04-2006

Priority Date:

01-04-2005

Current Assignee:

QUALCOMM INC

Declaring Company:

QUALCOMM INC

View on Espacenet goto-link

Abstract  Abstract

1. A signal processing method, wherein said method comprises the steps of:! encoding the low-frequency part of the speech signal into at least one encoded low-band excitation signal and a plurality of low-pass filtering parameters; ! generating a highband excitation signal based on the encoded lowband excitation signal; and! according to at least a highband excitation signal, the high frequency part of the speech signal is encoded into at least a plurality of highband filtering parameters,! the encoded low-band excitation signal describes a signal that is predistorted in time relative to the speech signal according to a time-varying predistortion of the time scale, and! wherein said method includes a step in which, based on information related to the predistortion of the time scale, a plurality of different time shifts are applied to the corresponding plurality of consecutive parts in time of the high-frequency part. ! 2. The signal processing method according to claim 1, in which the encoded excitation signal describes a signal that is predistorted in time according to the model of the fundamental structure of the low-frequency part. ! 3. The signal processing method according to claim 2, wherein said coding of the low-frequency part includes applying a time shift to a narrowband residue according to a model of the pitch structure of the narrowband residue, wherein the encoded narrowband excitation signal is based on a time-shifted narrowband residue . ! 4. The signal processing method according to claim 3, wherein said application

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