CONF Lee_NISTSRE2012_2012/IDIAP The I4U Submission to the 2012 NIST Speaker Recognition Evaluation Lee, Kong Aik Saedi, Rahim Hasan, Tawfik Kinnunen, Tomi Fauve, Benoit Bousquet, Pierre-Michel Khoury, Elie Martinez, Pablo Luis Sordo Thiruvaran, Tharmarajah You, Changhuai Rajan, Padmanabhan Van Leeuwen, David Sadjadi, Seyed Omid Matrouf, Driss El Shafey, Laurent Mason, John Ambikairajah, Eliathamby Sun, Hanwu Larcher, Anthony Ma, Bin Hautamäki, Ville Hanilci, Cemal Braithwaite, Billy Rosa, Gonzalez-Hautamäki Liu, Gang Boril, Hynek Shokouhi, Navid Hansen, John Bonastre, Jean-François Marcel, Sébastien NIST Speaker Recognition Conference 2012