REPORT Madikeri_Idiap-RR-15-2018/IDIAP Analysis of Posterior Estimation Approaches to I-vector Extraction for Speaker Recognition Madikeri, Srikanth Motlicek, Petr Ferras, Marc Dey, Subhadeep EXTERNAL http://publications.idiap.ch/attachments/reports/2016/Madikeri_Idiap-RR-15-2018.pdf PUBLIC Idiap-RR-15-2018 2018 Idiap October 2018