Method and apparatus for non-intrusive single-ended voice quality assessment in VoIP

摘要

An apparatus (1240), method, and computer program to assess VoIP speech quality (130) using access to degraded signals. Different types of impairment (110) have different effect on speech quality. Preferred embodiments address two distinct types of impairment that are unique to VoIP: packet loss (230) and speech clipping in time (850).