NZ562185A

5G,4G,3G

Title

Method and apparatus for vector quantizing of a spectral envelope representation

Application Number:

NZ20060562185

Publication Date:

25-06-2010

Current Assignee:

NOT AVAILABLE

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

Method and apparatus for vector quantizing of a spectral envelope representation

Application Number:

NZ20060562185

Family ID:

36588741

Publication Country:

US

Publication Date:

25-06-2010

Application Date:

03-04-2006

Priority Date:

01-04-2005

Current Assignee:

NOT AVAILABLE

Declaring Company:

QUALCOMM INC

View on Espacenet goto-link

Abstract  Abstract

A method for processing speech signals using vector quantization is disclosed. The method comprises of encoding a first frame and a second frame of a speech signal to produce corresponding first and second vectors generating a first quantized vector calculating a quantization error of the first quantized vector calculating a fourth vector and quantizing the fourth vector. The first vector represents a spectral envelope of the speech signal during the first frame and the second vector represents a spectral envelope of the speech signal during the second frame. The generation of the first quantized vector includes quantizing a third vector that is based on the first vector. The calculation of the fourth vector includes adding a scaled version of the quantization error to the second vector.

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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.

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