Patent ID: 7809556

Claim:
An error concealing apparatus comprising: a detection section that detects, when an error frame is generated, a non error frame prior to said error frame; a decision section that decides whether the detected non error frame is a speech frame or an audio frame; a replacement speech frame generation section that generates a replacement frame for said error frame from the non error frame decided to be a speech frame; a replacement audio frame generation section that generates a replacement frame for said error frame from the non error frame decided to be an audio frame; and a replacement section that replaces the replacement frame generated by said replacement speech frame generation section or said replacement audio frame generation section for said error frame so as to conceal said error frame, wherein: said replacement audio frame generation section comprises: a transient signal detection section that detects a start position of a transient signal included in said non error frame; and an exclusion section that excludes parts before the start position of the transient signal detected by said transient signal detection section from said non error frame in generating said replacement frame.