12th Annual Conference of the International Speech Communication Association

Florence, Italy
August 27-31. 2011

Intersession Compensation and Scoring Methods in the i-vectors Space for Speaker Recognition

Pierre-Michel Bousquet, Driss Matrouf, Jean-François Bonastre

LIA, France

The total variability factor space in speaker verification system architecture based on Factor Analysis (FA) has greatly improved speaker recognition performances. Carrying out channel compensation in a low dimensional total factor space, rather than in the GMM supervector space, allows for the application of new techniques. We propose here new intersession compensation and scoring methods. Furthermore, this new approach contributes to a better understanding of the session variability characteristics in the total factor space.

Full Paper

Bibliographic reference.  Bousquet, Pierre-Michel / Matrouf, Driss / Bonastre, Jean-François (2011): "Intersession compensation and scoring methods in the i-vectors space for speaker recognition", In INTERSPEECH-2011, 485-488.