CONTENTS - ITU-T Rec. G.160 Amendment 1 (11/2009) Voice enhancement devices Amendment 1: Revised Appendix II – Objective measures for the characterization of the basic functioning of noise reduction algorithms

       II.1     Introduction
       II.2     Notations
       II.3     Test signals
       II.4     Objective measures for characterization of NR algorithm effect
       II.5     Recommendation values for SNRI, TNLR and DSN