US2003144834A1

5G,4G,3G,2G

Title

METHOD FOR FORMATION OF SPEECH RECOGNITION PARAMETERS

Application Number:

US20020061048

Publication Date:

31-07-2003

Current Assignee:

Family ID:

Application Date:

30-01-2002

Publication Country:

US

Priority Date:

30-01-2002

Declaring Company:

Abstract  Abstract

A voice sample characterization front-end suitable for use in a distributed speech recognition context. A digitized voice sample 31 is split between a low frequency path 32 and a high frequency path 33. Both paths are used to determine spectral content suitable for use when determining speech recognition parameters (such as cepstral coefficients) that characterize the speech sample for recognition purposes. The low frequency path 32 has a thorough noise reduction capability. In one embodiment the results of this noise reduction are used by the high frequency path 33 to aid in de-noising without requiring the same level of resource capacity as used by the low frequency path 32.

Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent

Implicitly disclosed patent

Basis patent

Family member