ETSI TS 146 053-2017 数字蜂窝通信系统(第2+阶段)(GSM全球移动通信系统);全球移动通信系统增强型全速率(EFR)语音编解码器ANSI-C编码(V14.0.0;3GPP TS 46.053 版本14.0.0 发行版本14;包括软盘)
Digital cellular telecommunications system (Phase 2+) (GSM); ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec (V14.0.0; 3GPP TS 46.053 version 14.0.0 Release 14; Includes Diskette)