说明：  AMR由欧洲通信标准化委员会提出,是在移动通信系统中使用最广泛的语音标准.AMR也是实现在彩信中加载人声的惟一格式.
(AMR by the European Telecommunications Standardization Committee is in the mobile communications system of voice, the most widely used standards. AMR realize is loaded in the MMS human voice only format.)