1 / 29
涓�銆?/p>
濉┖锛?/p>
(1)
鏌愯矾鐢佃瘽涓浼犺緭鐨勮闊充俊鍙烽鐜囪寖鍥存槸
200
锝?/p>
4000Hz
锛?/p>
鐢?/p>
PCM
璋冨埗鏂瑰紡
澶勭悊鏃讹紝鍒欏璇煶淇″彿鐨勬渶浣庢娊鏍烽�熺巼涓?/p>
8000Hz
锛岀爜鍏冨懆鏈熶负
0.125ms
锛屽
鏋滃姝や俊鍙风殑姣忎釜鎶芥牱鍊艰繘琛?/p>
8
浣嶄簩杩涘埗缂栫爜锛屽垯褰撻噰鐢ㄥ潎鍖�缂栫爜鏂瑰紡鏃讹紝
鏈�灏忛噺鍖栧崟浣嶆槸鏁翠釜閲忓寲鍖哄煙鐨?/p>
1/256
锛屽缂栫爜缁撴灉浼犺緭鏃剁殑淇℃伅閫熺巼鏄?/p>
64kbps
锛岀爜鍏冮�熺巼涓?/p>
64KB
锛岄噰鐢ㄤ簩杩涘埗闈炲綊闆剁紪鐮佹柟寮忔椂锛屽熀甯︿俊鍙峰甫瀹芥槸
64000Hz
锛屾棤鐮侀棿涓叉壈鐨勬渶澶ч甯﹀埄鐢ㄧ巼鏄?/p>
2B/Hz
锛岃�屽綋閲囩敤
A
寰嬪崄涓夋姌绾挎柟
寮忕紪鐮佹椂锛屾渶灏忛噺鍖栧崟浣嶆槸鏁翠釜閲忓寲鍖哄煙鐨?/p>
1/2048
锛屽缂栫爜缁撴灉浼犺緭鏃剁殑鐮?/p>
鍏冮�熺巼涓?/p>
64KB
锛屽熀甯︿俊鍙峰甫瀹芥槸
64000Hz
锛屾棤鐮侀棿涓叉壈鐨勬渶澶ч甯﹀埄鐢ㄧ巼鏄?/p>
2B/Hz
锛屾帴鏀剁鍦ㄨВ璋冨悗鎭㈠鍘熻闊充俊鍙锋椂搴旇浣跨敤浣庨�氭护娉㈠櫒锛屽叾鎴棰戠巼
搴旇鏄?/p>
64000Hz
銆?/p>
濡傛灉浣跨敤鎴戝浗
TDM
鐨勭幇浠ｆ暟瀛楃數璇濆叕鐢ㄧ綉瀵硅繖绉嶄富鎰忎俊鍙疯繘
琛屼紶杈擄紝鍒欎紶杈撲竴娆＄兢鏃朵俊鍙风殑鐮佸厓閫熺巼涓?/p>
2048KB
锛屽叾涓敤鏉ヤ紶閫佽闊充俊鍙?/p>
鐨勫ぇ绾﹀崰鏁翠釜鏃堕棿鐗囩殑
15/16
锛岀敤鏉ヤ紶閫佸悓姝ヤ俊鍙风殑鏃堕棿鐗囧崰鏁翠釜鏃堕棿鐗囩殑
15/16
锛岀敤鏉ヤ紶閫佷俊浠や俊鍙风殑鏃堕棿鐗囧崰鏁翠釜鏃堕棿鐗囩殑
15/16
銆?/p>
(2)
閫氫俊淇″彿鐨勫鐢ㄦ柟寮忔湁鏃跺垎澶嶇敤
锛?/p>
TDM
锛?/p>
锛?/p>
棰戝垎澶嶇敤
锛?/p>
FDM
锛?/p>
锛?/p>
鐮佸垎澶嶇敤
锛?/p>
CDM
锛?
鍜屾尝鍒嗗鐢紙
WDM
锛夌瓑绛夈�?/p>
(3)
閫氫俊鎸夌収娑堟伅浼犻�掔殑鏂瑰悜涓庢椂闂村叧绯诲垎鍙互鏈夊崟宸ワ紝鍗婂弻宸ュ拰鍏ㄥ弻宸ヤ笁
绉嶆柟寮忋�?/p>