detcurves\Compute_DET.m .........\DET_usage.m .........\Eval_Spkr_Det.m .........\impostor_scores .........\Min_DCF.m .........\Plot_DET.m .........\ppndf.m .........\readme.txt .........\Set_DCF.m .........\Set_DET_limits.m .........\thick.m .........\true_speaker_scores detcurves