ETSI TS 126 104-2003 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).浮点自适应多速率(AMR)语音编解码器的ANSI-C代码.3GPP TS 26.104(版本4.5.0,第4次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) speech codec 3GPP TS 26.104 Version 4.5.0 Release 4