TY - RPRT TI - Reducing computation in an i-vector speaker recognition system using a tree-structured universal background model AU - McClanahan, Richard AU - De Leon, Phillip L. PY - 2014 DO - 10.1016/j.specom.2014.07.003 UR - https://www.osti.gov/biblio/1140965 ID - 1140965 ER -