ETSI TR 126 975-2009 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).长期演进技术.自适应多速率(AMR)语音编解码器的性能特征(版本8.0.0).3GPP TR 26.975(版本8.0.0,第8次发布)
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Performance characterization of the Adaptive Multi-Rate (AMR) speech codec V8.0.0; 3GPP TR 26.975 version 8.0.0 Release 8