GSM手机一共支持哪几类语音版本?
正确答案:
(1) GSM full rate speech version 1(FR);
(2) GSM full rate speech version 2 (EFR);
(3) GSM full rate speech version 3 (AMR的全速率);
(4) GSM half rate speech version (HR);
(5) GSM half rate speech version 3 (AMR的半速率)
(2) GSM full rate speech version 2 (EFR);
(3) GSM full rate speech version 3 (AMR的全速率);
(4) GSM half rate speech version (HR);
(5) GSM half rate speech version 3 (AMR的半速率)
答案解析:有
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