ETSI TS 122 076-2002 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).AMR编解码器的噪音抑制.业务描述-第1阶段.3GPP TS 22.076(版本5.0.0,第5次发布)
Digital Cellular Telecommunications System (Phase 2+); Universal Mobile Telecommunications System (UMTS); Noise Suppression for the AMR Codec; Service Description - Stage 1 3GPP TS 22.076 Version 5.0.0 Release 5