ETSI TS 126 092-2004 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).AMR语音编解码器.AMR语音通信信道的缓和噪声.3GPP TS 26.092(版本6.0.0,第6次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); AMR speech Codec; comfort noise for AMR Speech Traffic Channels 3GPP TS 26.092 Version 6.0.0 Release 6