锘??xml version="1.0" encoding="utf-8" standalone="yes"?> 鏃墮殭 - E1甯х粨鏋?br>E1鏈夋垚甯?鎴愬甯т笌涓嶆垚甯т笁縐嶆柟寮?鍦ㄦ垚甯х殑E1涓0鏃墮殭鐢ㄤ簬浼犺緭甯у悓姝ユ暟鎹?鍏朵綑31涓椂闅欏彲浠ョ敤浜庝紶杈撴湁鏁堟暟鎹?鍦ㄦ垚澶嶅撫鐨凟1涓?闄や簡絎?鏃墮殭澶?絎?6鏃墮殭鏄敤浜庝紶杈撲俊浠ょ殑,鍙湁絎?鍒?5,絎?7鍒扮31鍏?0涓椂闅欏彲鐢ㄤ簬浼犺緭鏈夋晥鏁版嵁;鑰屽湪涓嶆垚甯х殑E1涓?鎵鏈?2涓椂闅欓兘鍙敤浜庝紶杈撴湁鏁堟暟鎹? E1淇¢亾鐨勫撫緇撴瀯綆榪板湪E1淇¢亾涓紝8bit緇勬垚涓涓椂闅欙紙TS錛夛紝鐢?2涓椂闅欑粍鎴愪簡涓涓撫錛團錛?16涓撫緇勬垚涓涓甯э紙MF錛夈?/p>
PCM錛堣剦鍐茬紪鐮佽皟鍒訛級
Timeslot(鏃墮殭)涓撶敤浜庢煇涓涓崟涓氶亾鐨勬椂闅欎俊鎭殑涓茶鑷鐢ㄧ殑涓涓儴鍒嗐傚湪T1鍜孍1鏈嶅姟涓紝涓涓椂闅欓氬父鏄寚涓涓?4kbps鐨勯氶亾銆?br>E1綰胯礬鐭ヨ瘑鐐規葷粨
1銆佷竴鏉1鏄?M鐨勯摼璺紝鐢≒CM緙栫爜錛堣剦鍐茬紪鐮佽皟鍒訛級銆?br>2銆佷竴涓狤1鐨勫撫闀夸負256涓猙it,鍒嗕負32涓椂闅欙紝涓涓椂闅欎負8涓猙it銆?br>3銆佹瘡縐掓湁8k涓狤1鐨勫撫閫氳繃鎺ュ彛錛屽嵆8K*256=2048kbps銆?/p>
BPS:姣旂壒姣忕(Bits Per Second)
Pulse Coding Modulation錛?br>1.鎶芥牱
2.閲忓寲
3.緙栫爜
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