ETSI TS 126 091-2001 全球移动通信系统(UMTS).强制语音编解码器语音处理功能AMR语音编解码器-丢失帧的错误隐藏.3GPP TS 26.091(版本4.0.0,第4次发布)
Universal Mobile Telecommunications System (UMTS); Mandatory Speech Codec Speech Processing Functions AMR Speech Codec - Error Concealment of Lost Frames 3GPP TS 26.091 Version 4.0.0 Release 4