I4U submission to NIST SRE 2012: A large-scale collaborative effort for noise-robust speaker verification

Saeidi, R
Lee, K, A
Kinnunen, T
Hasan, T
Fauve, B
Bousquet, P. -M
Khoury, E
Sordo Martinez, P, L
Kua, J, M K
You, C, H
Sun, H
Larcher, Anthony
Rajan, P
Hautamäki, V
Hanilci, C
Braithwaite, B
Gonzales-Hautamäki, R
Sadjadi, S, O
Liu, G
Boril, H
Shokouhi, N
Matrouf, D
Shafey, L, El
Mowlaee, P
Epps, J
Thiruvaran, T
van Leeuwen, D, A
Ma, B
Li, H
Hansen, J, H L
Bonastre, J. -F
Marcel, S
Mason, J
Ambikairajah, E

Publication date

August 2013

Publisher

HAL CCSD

Abstract

International audienceI4U is a joint entry of nine research Institutes and Universities across 4 continents to NIST SRE 2012. It started with a brief discussion during the Odyssey 2012 workshop in Singapore. An online discussion group was soon set up, providing a discussion platform for different issues surrounding NIST SRE'12. Noisy test segments, uneven multi-session training, variable enrollment duration, and the issue of open-set identification were actively discussed leading to various solutions integrated to the I4U submission. The joint submission and several of its 17 subsystems were among top-performing systems. We summarize the lessons learnt from this large-scale effort