ETSI TR 146 085-2001 数字蜂窝通信系统(第2+阶段).对半速/全速/增强型全速率(HR/FR/EFR)语音编解码,单一,顺序和无顺序操作的互用性的主观测试3GPP TR 46.085(版本4.0.0,第4次发布)
Digital Cellular Telecommunications System (Phase 2+); Subjective Tests on the Interoperability of the Half Rate/Full Rate/ Enhanced Full Rate (HR/FR/EFR) Speech Codecs, Single, Tandem and Tandem Free Operation 3GPP TR 46.085 Version 4.0.0 Release 4