銆�銆�1 绯荤当(t菕ng)浠嬬垂
銆�銆�闅ㄨ憲缍�(w菐ng)绲�(lu貌)澶氬獟楂旀噳(y墨ng)鐢ㄧ殑鎺ㄥ唬,鐛�(d煤)绔嬫(j墨)鍨嬬殑宓屽叆寮忓濯掗珨閫氫俊绲傜绯荤当(t菕ng)鐢变簬鍏舵垚鏈綆銆佹�ц兘濂界瓑鍎�(y艒u)榛�(di菐n)宸叉垚鐐虹暥(d膩ng)鍓嶇爺绌剁殑鐔遍粸(di菐n). 鍏锋湁缍�(w菐ng)绲�(lu貌)閫氫俊鍔熻兘鐨勫祵鍏ュ紡瑕栭牷绶ㄧ⒓鍣ㄧ殑鐮旂┒渚挎垚鐐鸿ō(sh猫)瑷�(j矛)澶氬獟楂旈�氫俊绲傜绯荤当(t菕ng)涓殑鏍稿績鍏�(n猫i)瀹�.宓屽叆寮忕恫(w菐ng)绲�(lu貌)瑕栭牷绶ㄧ⒓鍣ㄧ殑宸ヤ綔鍘熺悊 灏囨ā鎿闋讳俊铏�(h脿o)鏁�(sh霉)瀛楀寲鍚庢寜鐓� 闅涙(bi膩o)婧�(zh菙n)澹撶府绶ㄧ⒓鍜岀恫(w菐ng)绲�(lu貌)鍗�(xi茅)璀拌檿鐞嗗悗鐧�(f膩)閫佸埌缍�(w菐ng)绲�(lu貌),瀹㈡埗绔彲浠ュ緸缍�(w菐ng)绲�(lu貌)鎺ユ敹瑕栭牷鏁�(sh霉)鎿�(j霉),瑙ｇ⒓鍚庡(sh铆)鏅�(sh铆)鍥炴斁. 宓屽叆寮忚闋荤法纰煎櫒鏄竴鍊�(g猫)楂樻�ц兘铏曠悊鍣ㄥ拰鎿嶄綔绯荤当(t菕ng)鎹嗙秮杓冪偤绶婂瘑銆佸姛鑳藉皥(zhu膩n)涓�銆佽ō(sh猫)瑷�(j矛)灏�(zhu膩n)闁�(m茅n)鐨勭崹(d煤)绔嬭ō(sh猫)鍌�,涓嶅儚鎻掑崱绯荤当(t菕ng)閭ｆǎ鍙楅�氱敤瑷�(j矛)绠楁(j墨)绯荤当(t菕ng)涓叾浠栬粺浠剁‖浠剁殑褰遍熆,鎬ц兘涓婃洿绌�(w臎n)瀹氬彲闈犱笖鏄撲簬瀵�(sh铆)鐝�(xi脿n)绯荤当(t菕ng)鐨勬ā濉婂寲瑷�(sh猫)瑷�(j矛),渚夸簬瀹夎銆佺鐞嗗拰缍(h霉)銆�
銆�銆�TM1300鏄竴娆鹃珮鎬ц兘鐨勫濯掗珨铏曠悊鍣�,鍙噰鐢╬SOS 宓屽叆寮忓(sh铆)鏅�(sh铆)鎿嶄綔绯荤当(t菕ng),骞舵彁渚涗簡鍔熻兘杓冪偤瀹屽杽鐨勫湪绶氳(di脿o)瑭﹀伐鍏�. 瑷�(sh猫)瑷�(j矛) 鍝″彲浠ラ�氶亷(gu貌)鍦ㄧ窔瑾�(di脿o)瑭﹀伐鍏峰湪pSOS 骞宠嚭(t谩i)涓婇枊(k膩i)鐧�(f膩)TriMedia 鐨勫悇绋硣婧愬拰瑾�(di脿o)瑭﹀悇绋噳(y墨ng)鐢ㄧ▼搴�,寰炶�屾渶绲傚(sh铆)鐝�(xi脿n)鏁村��(g猫)绯荤当(t菕ng). 鏈枃鎻愬嚭浜嗕竴绋仼鐢ㄤ簬IP 缍�(w菐ng)绲�(lu貌)鐨勫熀浜嶵M1300 鐨勫祵鍏ュ紡瑕栭牷绶ㄧ⒓鍣�,骞惰┏绱�(x矛)瑷庤珫浜嗘暣鍊�(g猫)绯荤当(t菕ng)鐨勮粺纭欢瑷�(sh猫)瑷�(j矛). 鎴戝�戝皣瑭茬法纰煎櫒鎳�(y墨ng)鐢ㄤ簬鐩�(ji膩n)鎺х郴绲�(t菕ng)涓�,瀵�(sh铆)鐝�(xi脿n)浜嗗(sh铆)鏅�(sh铆)鐨勮闋诲偝杓稿苟鍙栧緱浜嗚壇濂界殑鍦栧儚璩�(zh矛)閲�. 缍�(w菐ng)绲�(lu貌)瑕栭牷绶ㄧ⒓鍣ㄥ(sh铆)鐝�(xi脿n)鐨勪富瑕佸姛鑳芥湁:瑕栭牷淇¤櫉(h脿o)鐨凙/D杞�(zhu菐n)鎻�,H.263 瑕栭牷澹撶府绶ㄧ⒓銆丠.323缍�(w菐ng)绲�(lu貌)鍗�(xi茅)璀拌檿鐞� 銆佹敐鍍忛牠鎺у埗鍜岄�忔槑鏁�(sh霉)鎿�(j霉)鍌宠几?sh霉)鍙�?/FONT>
銆�銆�2 纭欢瑷�(sh猫)瑷�(j矛)
銆�銆�2. 1 TM1300浠嬬垂
銆�銆�瑕栭牷绶ㄧ⒓鍣ㄧ殑鏍稿績TM1300鏄疨hilips鍏徃鎺ㄥ嚭鐨勯嚌灏�(du矛)澶氬獟楂旀噳(y墨ng)鐢ㄧ殑涓�娆鹃珮鎬ц兘DSP ,瀹冭兘澶犻��(j矛n)琛岄珮璩�(zh矛)閲忕殑瑕栭牷鍜岄煶闋昏檿鐞�. TriMedia鎻愪緵鐨勫挤(qi谩ng)澶х殑绶ㄨ鍣ㄥ拰杌熶欢闁�(k膩i)鐧�(f膩)鐠�(hu谩n)澧冧娇闁�(k膩i)鐧�(f膩)浜哄摗鐒�(w煤)闇�浣跨敤鍖法瑾�(y菙)瑷�,鑰屾槸鍒╃敤C鎴朇++瑾�(y菙)瑷�渚�(l谩i)绶ㄥ(xi臎)鎳�(y墨ng)鐢ㄧ▼搴�銆�
銆�銆�TM1300鐨勬牳蹇冩槸32 浣嶇殑铏曠悊鍣�,鑳藉閫�(j矛n)琛�32 浣嶇殑绶氭�у皨鍧�,灏嬪潃鑳藉姏鍙仈(d谩)鍒�4GB. TM1300鏍稿績铏曠悊鍣ㄩ噰鐢╒LIW 绲�(ji茅)妲�(g貌u),鍙互鍦ㄦ瘡涓�鏅�(sh铆)閻樺懆鏈熷収(n猫i)鍚屾檪(sh铆)鍩�(zh铆)琛�5姊濇寚浠�. TM1300 鏀寔16KB 鐨勯珮閫熸暩(sh霉)鎿�(j霉)绶╁瓨鍜�32KB 鐨勯珮閫熸寚浠ょ珐瀛�,骞朵笖楂橀�熸暩(sh霉)鎿�(j霉)绶╁瓨鏄洐鍚戠殑. TM1300閭勯泦鎴愪簡PCI 绺界窔鎺ュ彛,鏃㈠彲浠ヤ綔鐐篜C鐠�(hu谩n)澧冧笅鐨勫緸CPU ,涔熷彲浠ョ敤浜庡祵鍏ュ紡绯荤当(t菕ng)浣滅偤涓籆PU. TM1300 鏈夊垾浜庝竴鑸殑閫氱敤DSP,瀹冩湁灏�(zhu膩n)闁�(m茅n)鐨勮闋绘帴鍙�銆侀煶闋绘帴鍙ｄ互鍙婂湒鍍忓崝(xi茅)铏曠悊鍣ㄥ柈鍏冨拰鍙畩 瑙ｇ⒓鍣ㄥ柈鍏冪瓑灏�(zhu膩n)闁�(m茅n)鍠厓.鍦栧儚鍗�(xi茅)铏曠悊鍣ㄤ富瑕佺敤浜庡湒鍍忕殑婵炬尝鎴栫府鏀�,鎻愰珮铏曠悊鐨勯�熷害; 鍙畩闀�(zh菐ng)瑙ｇ⒓鍣ㄥ墖鍙互鍗�(xi茅)鍔╁収(n猫i)鏍稿畬鎴怘uffman 瑙ｇ⒓銆�
銆�銆�2. 2 纭欢绺介珨绲�(ji茅)妲�(g貌u)
銆�銆�缍�(w菐ng)绲�(lu貌)瑕栭牷绶ㄧ⒓鍣ㄧ殑纭欢绺介珨绲�(ji茅)妲�(g貌u)濡傚湒1 鎵�绀�.绶ㄧ⒓鍣ㄥ皣渚�(l谩i)鑷敐鍍忛牠鐨勬ā鎿闋讳俊铏�(h脿o)缍�(j墨ng)AD杞�(zhu菐n)鎻涜姱鐗嘢AA7111A 杞�(zhu菐n)鎻涙垚YUV 鏍煎紡鐨勬暩(sh霉)瀛楄闋讳俊铏�(h脿o),鐢盩M1300 (1) 鎸塇.263 鍗�(xi茅)璀板绺垚澶氱ó閫熺巼鐨勫湒鍍忔暩(sh霉)鎿�(j霉)纰兼祦,鐒跺悗閫氶亷(gu貌)PCI 绺界窔鍌抽仦绲﹁矤(f霉)璨�(z茅)鍗�(xi茅)璀拌檿鐞嗙殑TM1300 (2) ,瑕栭牷澹撶府鏁�(sh霉)鎿�(j霉)鍦ㄩ�橻鐒�(w煤)鎲傛(j墨)姊伴浕瀛怾閲屽皝瑁濅箣鍚庨�氶亷(gu貌)PCI 绺界窔鍌崇郸浠ュお缍�(w菐ng)鎺ュ彛鎺у埗鍣≧TL8139C(L) 鐐烘牳蹇冪殑浠ュお缍�(w菐ng)鎺ュ彛鍠厓,鐢卞叾閫佸埌IP 缍�(w菐ng)涓�. 澶栧湇鎿�(ku貌)灞曟ā濉婁互W77E58 鍠墖姗�(j墨)鐐烘牳蹇�,閫氶亷(gu貌)鍏╁��(g猫)涓插彛鍒嗗垾鎺у埗鏀濆儚闋拰鏀剁櫦(f膩)閫忔槑鏁�(sh霉)鎿�(j霉). CPLD 涓昏瀹屾垚鍦板潃璀⒓銆丳CI 绺界窔浠茶绛夊姛鑳�. 闁�(k膩i)鐧�(f膩)鐨勬噳(y墨ng)鐢ㄧ▼搴忕稉(j墨ng)绶ㄨ閫ｆ帴,瀵�(xi臎)鍏LASH 涓�.绶ㄧ⒓鍣ㄤ笂闆诲京(f霉)浣嶅悗閫氶亷(gu貌)EEPROM 涓殑鑷垑绋嬪簭?q奴)顢琇ASH 涓殑绋嬪簭鎼Щ鍒癝DRAM 涓�,绯荤当(t菕ng)闁�(k膩i)濮嬮亱(y霉n)琛�. 鏍规摎(j霉)浠ヤ笂鍔熻兘鍙互灏囩恫(w菐ng)绲�(lu貌)瑕栭牷绶ㄧ⒓鍣ㄧ殑纭欢瑷�(sh猫)瑷�(j矛)鍒嗙偤浠ヤ笅鍥涘��(g猫)鍔熻兘鍠厓: (1) 瑕栭牷绶ㄧ⒓鍠厓;(2) 鍗�(xi茅)璀拌檿鐞嗗柈鍏�; (3) 缍�(w菐ng)绲�(lu貌)鎺ュ彛鍠厓; (4) 澶栧湇鎿�(ku貌)灞曞柈鍏�銆�
銆�銆�鍦�1 缍�(w菐ng)绲�(lu貌)瑕栭牷绶ㄧ⒓鍣ㄧ‖浠剁附楂旂祼(ji茅)妲�(g貌u)
銆�銆�2. 3 瑕栭牷绶ㄧ⒓鍠厓
銆�銆�瑕栭牷绶ㄧ⒓鍠厓浠M1300 (1) 鐐烘牳蹇�,澶栧湇鍣ㄤ欢鍖呮嫭EEPROM , 16M SDRAM , 瑕栭牷AD鑺墖SAA7111A ,闆欏彛RAM 鍜�16MB FLASH. 鍏朵腑锛孲AA7111A 鏄疨hilips鐨勫寮�(qi谩ng)鍨嬭闋昏几鍏ヨ檿鐞嗗櫒( EVIP) , 杓稿叆鐨勬ā鎿闋讳俊铏�(h脿o)鍙互鏄疌VBS(PAL ,NTSC 绛�) 鍜孲-Video ( Y/C) ,A/ D 杞�(zhu菐n)鎻涘悗杓稿嚭绗﹀悎CCIR-656 鐨刌UV4鈭�2鈭�2 鏁�(sh霉)瀛楄闋讳俊铏�(h脿o).瑕栭牷杓稿叆鍘熺悊鍦栧鍦�2 鎵�绀�,SAA7111A 鐨刌UV鏁�(sh霉)瀛楄闋昏几鍑虹鍙ｅ拰TM1300 鐨勮闋昏几鍏ョ鍙�(VI) 鐩搁�ｆ帴, SAA7111A 鐨勫伐浣滄柟寮忕敱TM1300閫氶亷(gu貌)I2C 绺界窔閫�(j矛n)琛岄厤缃�銆�
銆�銆�鍦�2 瑕栭牷杓稿叆鍘熺悊鍦�
銆�銆�SDRAM 鏄悓姝ュ嫊(d貌ng)鎱�(t脿i)RAM ,瀹冩彁渚汢urst 瑷晱(w猫n)鏂瑰紡,鐢ㄤ簬瀛樺彇鎳�(y墨ng)鐢ㄧ▼搴�,鍘熷鐨勬暩(sh霉)瀛楄闋绘暩(sh霉)鎿�(j霉)浠ュ強铏曠悊鐨勪腑闁撴暩(sh霉)鎿�(j霉). TM1300 (1) 澶栨帴鐨凷DRAM閲囩敤2 鐗�(12rank 鎺ュ彛鏂瑰紡) ,姣忕墖瀹归噺鐐�4 脳1M 脳16bit ,绺�?c猫)钀樼箾?6MB銆�
銆�銆�鍦ㄤ笂闆诲京(f霉)浣嶅悗, TM1300 (1) 閫氶亷(gu貌)I2C 绺界窔寰濫EPROM 涓畝鍙栧暉鍕�(d貌ng)淇℃伅,閰嶇疆鏅�(sh铆)閻樺垎闋诲瘎瀛樺櫒鍜孲DRAM 瀵勫瓨鍣�,鐒跺悗灏嘐EPROM 涓殑鑷垑绋嬪簭鎼Щ鍒拌嚜DRAM-BASE 闁�(k膩i)濮嬬殑SDRAM 涓苟闁�(k膩i)濮嬪煼(zh铆)琛岃嚜鑸夌▼搴�,鑷垑绋嬪簭?q奴)顢琇ASH 涓殑鐩告噳(y墨ng)鐨勬噳(y墨ng)鐢ㄧ▼搴忔惉绉诲埌TM1300 ( 1) 鍜孴M1300 ( 2) 鐨凷DRAM 鍚�,渚垮悇鑷枊(k膩i)濮嬫甯稿伐浣滀簡銆�
銆�銆�2. 4 鍗�(xi茅)璀拌檿鐞嗗柈鍏�
銆�銆�鍗�(xi茅)璀拌檿鐞嗗柈鍏冧互TM1300 ( 2) 鐐烘牳蹇�, 鎿�(ku貌)灞旹EPROM 鍜�16M SDRAM ,鍏堕浕璺垏瑕栭牷绶ㄧ⒓鍠厓鐩告噳(y墨ng)鐨勫収(n猫i)瀛樻帴鍙ｅ拰鍟熷嫊(d貌ng)闆昏矾瑷�(sh猫)瑷�(j矛)椤�(l猫i)浼�.TM1300(2) 鐨勫伐浣滄ā寮忕偤寰炴ā寮�,鍦ㄤ笂闆诲京(f霉)浣嶅悗,閫氶亷(gu貌)I2C 绺界窔寰炰覆琛孍EPROM 涓畝鍙栧暉鍕�(d貌ng)淇℃伅,閰嶇疆鏅�(sh铆)閻樺垎闋诲瘎瀛樺櫒鍜孲DRAM 瀵勫瓨鍣�. 鐒跺悗绛夊緟鐢盩M1300 (1) 瀹屾垚绯荤当(t菕ng)鍟熷嫊(d貌ng)鐨勫墿浣欏伐浣�,鍖呮嫭MMIO 绌洪枔銆丏RAM 绌洪枔鐨勯厤缃瓑, 绛夊緟TM1300(1) 灏嘑LASH 涓殑鐩告噳(y墨ng)鐨勬噳(y墨ng)鐢ㄧ▼搴忔惉绉诲埌TM1300 (2) 鐨凷DRAM 涓�, TM1300 (2) 渚垮彲浠ラ枊(k膩i)濮嬫甯稿伐浣滀簡銆�
銆�銆�2. 5 缍�(w菐ng)绲�(lu貌)鎺ュ彛鍠厓
銆�銆�缍�(w菐ng)绲�(lu貌)鎺ュ彛鍠厓鍘熺悊鍦栧鍦�3 鎵�绀�, 浠EALTEK鐨凴TL8139C(L)浠ュお缍�(w菐ng)鎺у埗鍣ㄧ偤鏍稿績,缍�(j墨ng)浠ュお缍�(w菐ng)璁婂鍣⊿T6118T 鍜孯J 45 鎻掑骇,閫氶亷(gu貌)闆欑禐绶氶�ｆ帴鍒板眬鍩熺恫(w菐ng). RTL8139C(L) 鎺ュ彛鍜孭CI2.1瑕�(gu墨)鑼冨畬鍏ㄥ吋瀹�,鍙互寰堟柟渚跨殑鎺涘湪TriMedia 鐨凱CI 绺界窔涓�. 浠ュお缍�(w菐ng)鎺ュ彛鎶婅闋荤法纰煎強鍗�(xi茅)璀拌檿鐞嗗悗鐨勬暩(sh霉)鎿�(j霉)鎸変互澶恫(w菐ng)鐨勬暩(sh霉)鎿�(j霉)鏍煎紡鎵撳寘鍌抽�佸埌浠ュお缍�(w菐ng),鍚屾檪(sh铆)鑷嫊(d貌ng)鐩�(ji膩n)娓�(c猫)鎺ユ敹绔殑鏁�(sh霉)鎿�(j霉)璁婂寲,鎶婃帴鏀跺埌鐨勬暩(sh霉)鎿�(j霉)鎷嗗寘,鍌抽�佸埌TM1300 (2) 銆�
銆�銆�鍦�3 缍�(w菐ng)绲�(lu貌)鎺ュ彛鍠厓鍘熺悊鍦�
銆�銆�2. 6 澶栧湇鎿�(ku貌)灞曞柈鍏�
銆�銆�澶栧湇鎿�(ku貌)灞曞柈鍏冨師鐞嗗湒濡傚湒4 鎵�绀�, 浠INBOND鍏徃鐨勫叿鏈夊叐鍊�(g猫)涓插彛鐨勫柈鐗囨(j墨)W77E58 鐐烘牳蹇�, 鎿�(ku貌)灞旾DT7130 闆欏彛RAM ,MAX232 鍜孧AX485. W77E58 閫氶亷(gu貌)涓插彛0 鏍规摎(j霉)RS-485 鎺ュ彛妯�(bi膩o)婧�(zh菙n)瀵�(sh铆)鐝�(xi脿n)灏�(du矛)鏀濆儚闋強浜戣嚭(t谩i)鐨勬帶鍒�,閫氶亷(gu貌)涓插彛1 鍌抽�丷S-232 閫忔槑鏁�(sh霉)鎿�(j霉) . W77E58 鍜孴M1300 (1) 涔嬮枔閫氶亷(gu貌)鑷畾绨�(ji菐n)鍠崝(xi茅)璀板皪(du矛)闆欏彛RAM閫�(j矛n)琛屽瓨鍙�,寰炶�岀浉浜掑偝閬炴帶鍒朵俊鎭拰鏁�(sh霉)鎿�(j霉). 澶栧湇鎿�(ku貌)灞曞柈鍏冪殑鍔熻兘鏄�氶亷(gu貌)灏�(du矛)W77E58 绶ㄧ▼渚�(l谩i)瀵�(sh铆)鐝�(xi脿n)鐨�,鐐轰簡鎻愰珮绋嬪簭閬�(y霉n)琛岀殑鍙潬鎬�,鍦ㄦ垜鍊戠殑鍠墖姗�(j墨)绋嬪簭闁�(k膩i)鐧�(f膩)涓倓浣跨敤浜嗙湅闁�(m茅n)鐙楀畾鏅�(sh铆)鍣�銆�
銆�銆�鍦�4 澶栧湇鎿�(ku貌)灞曞柈鍏冨師鐞嗗湒
銆�銆�3 杌熶欢绲�(ji茅)妲�(g貌u)
銆�銆�3. 1 绶ㄧ⒓鍣ㄨ粺浠堕珨绯荤祼(ji茅)妲�(g貌u)TSSA
銆�銆�TSSA( TriMedia Software St ream Arc2hitecture) 鏄敱鎳�(y墨ng)鐢ㄥ堡妯″(Application) 鑸囪嫢骞插姛鑳芥ā濉�(Component ) 绲勬垚鐨勫缓绔嬪湪鏁�(sh霉)鎿�(j霉)鍖呬氦鎻涗笂鐨勪竴绋祦绲�(ji茅)妲�(g貌u). 娌跨敤浜咰OM 鎶�琛�(sh霉)涓粺绲勪欢灏�(du矛)璞�(Software Component) 浜や簰鐨勬�濇兂,鎻愬嚭浜嗗皪(du矛)澶氬獟楂旀暩(sh霉)鎿�(j霉)娴侀��(j矛n)琛岃檿鐞嗙殑涓�绋祫浠跺皪(du矛)璞℃ā鍨� . 鍏朵腑鎳�(y墨ng)鐢ㄥ堡妯″璨�(f霉)璨�(z茅)绯荤当(t菕ng)鐨勫垵濮嬪寲, 閲囩敤杌熶欢娴侀珨绯荤祼(ji茅)妲�(g貌u)鍙互澶уぇ绨�(ji菐n)鍖栧濯掗珨鎳�(y墨ng)鐢ㄩ枊(k膩i)鐧�(f膩). TSSA 楂旂郴鍒嗙偤浠ヤ笅骞惧堡(瑕�(ji脿n)琛�1) :
銆�銆�鍚勫��(g猫)鍔熻兘妯″鐨勫壍(chu脿ng)寤恒�佸暉鍕�(d貌ng)銆侀棞(gu膩n)闁変互鍙婄媭鎱�(t脿i)鐨勬敼璁�,鎺ユ敹鏌愬��(g猫)鍔熻兘妯″鐨勯熆鎳�(y墨ng). 姣忓��(g猫)鍔熻兘妯″鐢監L灞�銆佹搷浣滅郴绲�(t菕ng)鎶借薄灞�銆丄L 灞�銆佽ō(sh猫)鍌欏韩(k霉)灞ょ祫鎴�. 鍔熻兘妯″涔嬮枔銆佸姛鑳芥ā濉婅垏鎳�(y墨ng)鐢ㄥ堡妯″涔嬮枔閫氶亷(gu貌)鏁�(sh霉)鎿�(j霉)鍖呬氦鎻涙暩(sh霉)鎿�(j霉),鏁�(sh霉)鎿�(j霉)鍖呭湪娑堟伅闅�(du矛)鍒椾腑鍌抽仦,娑堟伅闅�(du矛)鍒楀皣鍚勫��(g猫)鍔熻兘妯″銆佸姛鑳芥ā濉婅垏鎳�(y墨ng)鐢ㄥ堡妯″閫ｆ帴璧蜂締(l谩i)銆�
銆�銆�3. 2 绶ㄧ⒓鍣ㄨ粺浠剁祫鎴愮祼(ji茅)妲�(g貌u)
銆�銆�绶ㄧ⒓鍣ㄨ粺浠剁祫鎴愮祼(ji茅)妲�(g貌u)濡傚湒5 绀�(涓嶅寘鎷柈鐗囨(j墨)绶ㄧ▼閮ㄥ垎) . 涓绘帶妯″鐩哥暥(d膩ng)浜嶵SSA 涓殑鎳�(y墨ng)鐢ㄥ堡妯″,璨�(f霉)璨�(z茅)鍓�(chu脿ng)寤恒�侀亱(y霉n)琛岃闋荤法纰兼ā濉�銆佸崝(xi茅)璀拌檿鐞嗘ā濉婂拰淇￠亾鎺ュ彛妯″,骞堕�氶亷(gu貌)闊挎噳(y墨ng)闅�(du矛)鍒楄垏鍛戒护闅�(du矛)鍒楀湪鍚勫姛鑳芥ā濉婁箣闁撹綁(zhu菐n)鐧�(f膩)鎺у埗鑸囩媭鎱�(t脿i)娑堟伅. 瑕栭牷绶ㄧ⒓妯″瀵�(sh铆)鐝�(xi脿n)閬靛惊H.263 鍗�(xi茅)璀扮殑瑕栭牷澹撶府绶ㄧ⒓ ;鍗�(xi茅)璀拌檿鐞嗘ā濉婂(sh铆)鐝�(xi脿n)H.323 鍗�(xi茅)璀版＇ ;淇￠亾鎺ュ彛妯″瀵�(sh铆)鐝�(xi脿n)灏囨暩(sh霉)鎿�(j霉)鍫�(b脿o)灏佽鎴怣AC 骞�閫佷笂鍏烽珨鐨勭墿鐞嗕俊閬�. 鍚勫��(g猫)鍔熻兘妯″涔嬮枔閫氶亷(gu貌)闆欏悜娑堟伅闅�(du矛)鍒椾氦鎻涙暩(sh霉)鎿�(j霉)銆�
銆�銆�鍦�5 銆�绶ㄧ⒓鍣ㄨ粺浠剁祫鎴愮祼(ji茅)妲�(g貌u)
銆�銆�涓绘帶妯″鍜屽悇鍊�(g猫)鍔熻兘妯″鍦╬SOS 鎿嶄綔绯荤当(t菕ng)涓兘浣滅偤浠诲嫏(w霉)(task) 鐛�(d煤)绔嬮亱(y霉n)琛�,瀹冨�戜箣闁撲换鍕�(w霉)鐙�鎱�(t脿i)鐨勮畩鍖栧畬鍏ㄩ潬灏�(du矛)璩囨簮鐨勭嵅鍙栨槸鍚﹁兘澶犳豢瓒�(閫氶亷(gu貌)瑾�(di脿o)鐢╬SOS 绯荤当(t菕ng)鍏�(n猫i)鏍�) 渚�(l谩i)瀵�(sh铆)鐝�(xi脿n).pSOS 鏍规摎(j霉)浠诲嫏(w霉)鐨勫劒(y艒u)鍏堢礆(j铆)渚�(l谩i)鍕�(d貌ng)鎱�(t脿i)鍦板垏鎻涘悇鍊�(g猫)浠诲嫏(w霉),浠ヤ繚璀夌郴绲�(t菕ng)鐨勫(sh铆)鏅�(sh铆)鎬�. 鐐烘彁楂樹富鎺фā濉婂皪(du矛)鐙�鎱�(t脿i)娑堟伅鐨勯熆鎳�(y墨ng)闈堟晱搴�,鎴戝�戝皣涓绘帶妯″鐨勫劒(y艒u)鍏堢礆(j铆)瑷�(sh猫)瑷�(j矛)姣斿姛鑳芥ā濉婇珮.瑕栭牷绶ㄧ⒓妯″浣滅偤绶ㄧ⒓鍣ㄧ殑鏍稿績閮ㄥ垎鍗犵敤浜嗙郴绲�(t菕ng)鐨勭禃澶ч儴鍒嗚硣婧愬緸鑰屾焙瀹氫簡绶ㄧ⒓鍣ㄧ殑鎬ц兘.閲濆皪(du矛)澶氬獟楂旈�氫俊绯荤当(t菕ng)鐨勫(sh铆)鏅�(sh铆)鎬ц姹�,鎴戝��?c猫)璇板箣a杌熶欢妯″鐨勫(sh铆)鐝�(xi脿n)閬�(gu貌)绋嬩腑閲囩敤浜嗗绋劒(y艒u)鍖栫瓥鐣�. 闄や簡灏�(du矛)绶ㄧ⒓绋嬪簭浠ｇ⒓閫�(j矛n)琛岀祼(ji茅)妲�(g貌u)鍜屽眬閮�?j墨)?y艒u)鍖�,瑕栭牷澹撶府涓伕鍙栧揩閫熼亱(y霉n)鍕�(d貌ng)浼拌▓(j矛)绠楁硶绛夋柟娉曞, 鐗瑰垾閲濆皪(du矛)TM1300 鐨凜PU 楂旂郴绲�(ji茅)妲�(g貌u),灏囧惊鐠�(hu谩n)灞曢枊(k膩i)閫�(j矛n)琛屽苟琛岃檿鐞�,鍏呭垎鍒╃敤TM1300 鎻愪緵鐨勫濯掗珨鎸囦护鍜岀法璀劒(y艒u)鍖栫瓑鍏跺畠绛栫暐. 瀵�(sh铆)韪愯〃鏄庡湪浣跨敤涓婅堪鍎�(y艒u)鍖栫瓥鐣ュ悗绶ㄧ⒓鍣ㄧ殑鍦栧儚绶ㄧ⒓骞�鐜囨彁楂樹簡涓�鍊嶄互涓�銆�
銆�銆�4 绲�(ji茅)鏉熻獮(y菙)
銆�銆�鍩轰簬TM1300 鑺墖鐨勫祵鍏ュ紡缍�(w菐ng)绲�(lu貌)瑕栭牷绶ㄧ⒓鍣ㄥ叿鏈夋垚鏈綆,鍙潬鎬уソ鐨勫劒(y艒u)榛�(di菐n),骞朵笖鐢变簬鍦ㄨō(sh猫)瑷�(j矛)鍜屽(sh铆)鐝�(xi脿n)閬�(gu貌)绋嬩腑鍏呭垎鍒╃敤TriMedia 灏�(zhu膩n)闁�(m茅n)閲濆皪(du矛)澶氬獟楂斾俊鎭檿鐞嗚ō(sh猫)瑷�(j矛)鐨勭‖浠剁祼(ji茅)妲�(g貌u)鍜孴SSA 杌熶欢楂旂郴,鍥犳鍚屾檪(sh铆)鐛插緱浜嗚壇濂界殑鎬ц兘. 宓屽叆寮忕法纰煎櫒閬靛惊ITU-T H.263 鍗�(xi茅)璀�,鍙互鑸囧吋瀹笻.323 鍗�(xi茅)璀扮殑绲傜瀵�(sh铆)鐝�(xi脿n)浜掕伅(li谩n)浜掗��,瀵�(sh铆)鐝�(xi脿n)浜嗗(sh铆)鏅�(sh铆)鐨勮闋诲偝杓�,鐛插緱浜嗘竻鏅版祦鏆㈢殑閬�(y霉n)鍕�(d貌ng)鍦栧儚. 纰肩巼鍙互寰�64kbps锝�1920kbps 閬告搰渚�(l谩i)瑾�(di脿o)绡�(ji茅)骞�鐜囧拰鐛插緱涓嶅悓绱�(j铆)鍒ョ殑鍦栧儚璩�(zh矛)閲�. 鍦�64kbps 甯跺涓�,瑙ｇ⒓鍚庣殑QCIF 鍜孋IF鍦栧儚鐨勫箑鐜囧彲閬�(d谩)鍒�15fps浠ヤ笂. 閫氶亷(gu貌)閬╃暥(d膩ng)鎻愰珮纰肩巼,QCIF鍜孋IF 鍦栧儚鐨勫箑鐜囧潎鍙仈(d谩)鍒�25fps銆�
