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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

PCM缍滃悎娓�(c猫)瑭﹀剙
闁辫畝锛�5514鏅�(sh铆)闁擄細2011-01-24 10:53:29

銆�銆�PCM缍滃悎娓�(c猫)瑭﹀剙鏄仼鐢ㄤ簬PCM涓�娆＄兢鍌宠几绯荤当(t菕ng)鐨勬櫤鑳借纰兼脯(c猫)瑭﹀剙锛岀敤浜嶱CM绔(j墨)鍜屼互鍏夌簴銆佸井娉�銆佽(w猫i)鏄�銆佸悓杌搁浕绾溿�佸皪(du矛)绋遍浕绾滅瓑鐐哄偝杓告柟寮忕殑閫氫俊绯荤当(t菕ng)鐨勬脯(c猫)瑭�銆傛湰鍎�鍣ㄥ彲鐢ㄤ簬绯荤当(t菕ng)鐨勭灏�(du矛)绔脯(c猫)瑭�锛岀挵(hu谩n)璺脯(c猫)瑭﹀拰鍦ㄧ窔娓�(c猫)瑭︼紝灏�(du矛)琚脯(c猫)绯荤当(t菕ng)鎴栫姗�(j墨)鐨勫偝杓歌唱(zh矛)閲忛��(j矛n)琛岀稖鍚堢簿纰虹殑瑭�(p铆ng)鍍�(ji脿)銆�

鐗归粸(di菐n)

銆�銆�1銆佸彲閫�(j矛n)琛屽湪绶�/闆㈢窔娓�(c猫)瑭�锛�

銆�銆�2銆佸ぇ灞忓箷娑叉櫠椤ず锛屼腑鏂囩晫闈�锛�

銆�銆�3銆� G.821銆丟.826鍜孧.2100鍒嗘瀽锛�

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銆�銆�5銆佹脯(c猫)閲�2Mb/s鍜�64kb/s绶氳矾鍏ㄩ儴鍌宠几鍙冩暩(sh霉)锛�

銆�銆�6銆佸箑鍜岄潪骞�淇¤櫉(h脿o)瑾ょ⒓娓�(c猫)瑭�锛�64Kb/s鍚屽悜鍙ｆ脯(c猫)瑭�锛�

銆�銆�7銆佸畬鎴愭墍鏈夋椹�(y脿n)鏈嶅嫏(w霉)璩�(zh矛)閲忔墍蹇呴渶鐨勮纰煎拰鍛婅娓�(c猫)瑭︼紱

銆�銆�8銆佽秴閬�(gu貌)6灏忔檪(sh铆)鐨勯浕姹犱緵闆绘檪(sh铆)闁�锛岄潪甯搁仼鍚堥暦(zh菐ng)鏅�(sh铆)闁撻噹澶栨柦宸ヤ綔妤�(y猫)锛�

銆�銆�9銆佸叏闈㈡脯(c猫)瑭︿俊铏�(h脿o)璩�(zh矛)閲忥紝鍖呮嫭闊抽牷娓�(c猫)瑭�銆佽剤娌栨ā鏉挎脯(c猫)瑭﹀拰鎶栧嫊(d貌ng)娓�(c猫)瑭�锛�

銆�銆�10銆佺劇(w煤)璜栨脯(c猫)閲�2Mb/s銆�64kb/s銆侀煶闋绘脯(c猫)瑭�銆佽剤娌栨ā鏉挎脯(c猫)瑭﹂倓鏄姈鍕�(d貌ng)娓�(c猫)瑭︼紝AV5282 PCM缍滃悎娓�(c猫)瑭﹀剙閮借兘杓曟澗鎳�(y墨ng)浠�銆�

鍙冩暩(sh霉)

銆�銆�1銆佹瘮鐗圭巼锛� 2銆�048Mb/s卤50ppm,澶栨檪(sh铆)閻�锛�

銆�銆�2銆佺⒓鍨嬶細 AMI銆丠DB3锛�

銆�銆�3銆佹脯(c猫)瑭﹀湒褰細PRBS:29-1锛�211-1锛�215-1锛�220-1锛�223-1锛�16姣旂壒鍙法绋嬪瓧锛�

銆�銆�4銆佽纰兼彃鍏ワ細?ji菐n)鏈�?銆佸浐瀹氭瘮?0-N(N=3锝�7)锛�

銆�銆�5銆佸箑绲�(ji茅)妲�(g貌u)锛�30/31閫氶亾锛屽付/涓嶅付CRC鐨勬垚骞�銆侀潪骞�淇¤櫉(h脿o)銆傜鍚圛TU-T Rec G銆�732銆丟銆�704銆丟銆�706鍜孏銆�703锛�

銆�銆�6銆佽纰兼脯(c猫)閲忥細姣旂壒銆佸箑姣旂壒銆佺法纰笺�丆RC瑾ょ⒓鐜囧拰瑾ょ⒓瑷�(j矛)鏁�(sh霉)娓�(c猫)閲�?锛熺爞纰愩��821銆丟銆�826鍜孧銆�2100閫�(j矛n)琛岃纰兼�ц兘鍒嗘瀽銆傚垎鏋愰’绀猴細鍒楄〃銆佺洿鏂瑰湒銆傛脯(c猫)閲忓彲鍦∟脳64kb/s淇￠亾鍏�(n猫i)閫�(j矛n)琛�锛屼篃鍙��(j矛n)琛�2Mb/s闈炲箑鍦栧舰娓�(c猫)瑭�锛�

銆�銆�7銆丯脳64kb/s淇￠亾娓�(c猫)瑭�锛�

銆�銆�8銆佹檪(sh铆)閻橀牷鐜囧亸绉伙細卤100ppm锛屾閫�(j矛n)1ppm锛�

銆�銆�9銆侀煶闋绘脯(c猫)閲�锛涢牷鐜�300Hz锝�3400Hz锛岄浕骞�-40dB锝�+0dB;鍙敘(ch菐n)鐢烡TMF淇¤櫉(h脿o)锛�

銆�銆�10銆侀牷鐜囨脯(c猫)閲忥細?ji菐n)鎸�?Hz锛屽垎杈ㄧ巼1Hz锛屾簴(zh菙n)纰哄害卤10ppm锛�

銆�銆�11銆佸憡璀︽彃鍏ヨ垏妾㈡脯(c猫)锛歀OS,AIS,LOF,TS AIS,RDI,RDI MF锛�

銆�銆�12銆佺洠(ji膩n)鑱�(t墨ng)鎵�閬镐俊閬�(闊抽牷娓�(c猫)瑭�)锛�

銆�銆�13銆佹墜鎸佸紡绲�(ji茅)妲�(g貌u)锛屽ぇ灞忓箷娑叉櫠椤ず锛屼腑鏂囪彍鍠紝閰嶆湁RS232鍙�锛�

銆�銆�14銆佷緵闆绘柟寮� 锛歂iH闆绘睜锛屽彲宸ヤ綔5灏忔檪(sh铆)锛涙垨澶栭儴12V鐩存祦闆�锛�

銆�銆�15銆侀珨绌嶃�侀噸閲忥細275脳127脳55(mm),1Kg锛�

銆�銆�16銆侀伕浠讹細(1)闊抽牷鎺ユ敹鑸囩櫦(f膩)灏勫姛鑳�锛�(2)妯℃澘娓�(c猫)閲忋�侀浕骞虫脯(c猫)瑭�锛�(3)鎶栧嫊(d貌ng)娓�(c猫)瑭�锛�

鎳�(y墨ng)鐢�

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缍韩(k霉)闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫氾紒

宸叉敹閷勮姊�160836鍊�(g猫)