THE SRI NIST 2008 speaker recognition evaluation system

Authors:
Sachin S. Kajarekar;Nicolas Scheffer;Martin Graciarena;Elizabeth Shriberg;Andreas Stolcke;Luciana Ferrer;Tobias Bocklet
Affiliations:
SRI International, Menlo Park, CA, USA;SRI International, Menlo Park, CA, USA;SRI International, Menlo Park, CA, USA;SRI International, Menlo Park, CA, USA;SRI International, Menlo Park, CA, USA;SRI International, Menlo Park, CA, USA;SRI International, Menlo Park, CA, USA
Venue:
ICASSP '09 Proceedings of the 2009 IEEE International Conference on Acoustics, Speech and Signal Processing
Year:
2009

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Abstract

The SRI speaker recognition system for the 2008 NIST speaker recognition evaluation (SRE) incorporates a variety of models and features, both cepstral and stylistic. We highlight the improvements made to specific subsystems and analyze the performance of various subsystem combinations in different data conditions. We show the importance of language and nativeness conditioning, as well as the role of ASR for speaker verification.