Patent Number: 6,401,063

Title: Method and apparatus for use in speaker verification

Abstract: A method and apparatus for use in the field of speaker verification. The invention provides a method and apparatus for generating a pair of data elements, namely a first element representative of a speaker specific speech pattern and a second element representative of a biased normalizing template, the pair of data elements being suitable for use in a speaker verification system. The invention provides receiving an audio signal representative of a training token associated with a given speaker and processing the training token on a basis of a reference speaker independent model set to derive a speaker independent normalizing template. The invention further provides processing the training token on a basis of a reference speaker independent model set for generating a speaker specific speech pattern. The speaker specific speech pattern and the speaker independent normalizing template are then processed to derive a biased normalizing template. The pair of data elements is then in a format suitable for use by a speaker verification system. The invention further provides a computer readable medium containing a program element suitable for generating a pair of data elements suitable for use in a speaker verification system.

Inventors: Hebert; Matthieu (Saint-Lambert, CA), Peters; Stephen D. (Pointe-Claire, CA)

Assignee: Nortel Networks Limited

International Classification: G10L 17/00 (20060101); G10L 015/06 ()

Expiration Date: 06/04/2019