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聽聽聽 MPEG 鍏ㄧО鏄?Moving Pictures Experts Group 錛屽畠鏄?" 鍔ㄦ佸浘璞′笓瀹剁粍 " 鐨勮嫳鏂囩緝鍐欙紝璇ヤ笓瀹剁粍鎴愮珛浜?1988 騫達紝鑷村姏浜庤繍鍔ㄥ浘鍍忓強鍏朵即闊崇殑鍘嬬緝緙栫爜鏍囧噯鍖栧伐浣滐紝鍘熷厛浠栦滑鎵撶畻寮鍙?MPEG1 銆?MPEG2 銆?MPEG3 鍜?MPEG4 鍥涗釜鐗堟湰錛屼互閫傜敤浜庝笉鍚屽甫瀹藉拰鏁板瓧褰卞儚璐ㄩ噺鐨勮姹傘?
聽聽聽聽 鐩墠錛?MPEG1 鎶鏈騫挎硾鐨勫簲鐢ㄤ簬 VCD 錛岃?MPEG2 鏍囧噯鍒欑敤浜庡箍鎾數瑙嗗拰 DVD 絳夈?MPEG3 鏈鍒濇槸涓?HDTV 寮鍙戠殑緙栫爜鍜屽帇緙╂爣鍑嗭紝浣嗙敱浜?MPEG2 鐨勫嚭鑹叉ц兘琛ㄧ幇錛屄?MPEG3 鍙兘鏄浜庤瑜撲簡銆傝屾垜浠粖澶╄璋堣鐨勪富瑙?--MPEG4 浜?1999 騫村垵姝e紡鎴愪負鍥介檯鏍囧噯銆傚畠鏄竴涓傜敤浜庝綆浼犺緭閫熺巼搴旂敤鐨勬柟妗堛備笌 MPEG1 鍜?MPEG2 鐩告瘮錛?MPEG4 鏇村姞娉ㄩ噸澶氬獟浣撶郴緇熺殑浜や簰鎬у拰鐏墊椿鎬с備笅闈㈠氨璁╂垜浠竴璧瘋繘鍏ュ褰╃殑 MPEG4 涓栫晫銆偮?
聽聽聽 MPEG4 鐨勬妧鏈壒鐐?
聽聽聽 MPEG1 銆?MPEG2 鎶鏈綋鍒濆埗瀹氭椂錛屽畠浠畾浣嶇殑鏍囧噯鍧囦負楂樺眰濯掍綋琛ㄧず涓庣粨鏋勶紝浣嗛殢鐫璁$畻鏈鴻蔣浠跺強緗戠粶鎶鏈殑蹇熷彂灞曪紝 MPEG1.MPEG2 鎶鏈殑寮婄灝辨樉紺哄嚭鏉ヤ簡錛氫氦浜掓у強鐏墊椿鎬ц緝浣庯紝鍘嬬緝鐨勫濯掍綋鏂囦歡浣撶Н榪囦簬搴炲ぇ錛岄毦浠ュ疄鐜扮綉緇滅殑瀹炴椂浼犳挱銆傝?MPEG4 鎶鏈殑鏍囧噯鏄榪愬姩鍥懼儚涓殑鍐呭榪涜緙栫爜錛屽叾鍏蜂綋鐨勭紪鐮佸璞″氨鏄浘鍍忎腑鐨勯煶棰戝拰瑙嗛錛屾湳璇О涓?"AV 瀵硅薄 " 錛岃岃繛緇殑 AV 瀵硅薄緇勫悎鍦ㄤ竴璧峰張鍙互褰㈡垚 AV 鍦烘櫙銆傚洜姝わ紝 MPEG4 鏍囧噯灝辨槸鍥寸粫鐫 AV 瀵硅薄鐨勭紪鐮併佸瓨鍌ㄣ佷紶杈撳拰緇勫悎鑰屽埗瀹氱殑錛岄珮鏁堢巼鍦扮紪鐮併佺粍緇囥佸瓨鍌ㄣ佷紶杈?AV 瀵硅薄鏄?MPEG4 鏍囧噯鐨勫熀鏈唴瀹廣?
聽聽聽聽 鍦ㄨ棰戠紪鐮佹柟闈紝 MPEG4 鏀寔瀵硅嚜鐒跺拰鍚堟垚鐨勮瑙夊璞$殑緙栫爜銆傦紙鍚堟垚鐨勮瑙夊璞″寘鎷?2D 銆?3D 鍔ㄧ敾鍜屼漢闈㈤儴琛ㄦ儏鍔ㄧ敾絳夛級銆傚湪闊抽緙栫爜涓婏紝 MPEG4 鍙互鍦ㄤ竴緇勭紪鐮佸伐鍏鋒敮鎸佷笅錛屽璇煶銆侀煶涔愮瓑鑷劧澹伴煶瀵硅薄鍜屽叿鏈夊洖鍝嶃佺┖闂存柟浣嶆劅鐨勫悎鎴愬0闊沖璞¤繘琛岄煶棰戠紪鐮併?
鐢變簬 MPEG4 鍙鐞嗗浘鍍忓撫涓庡撫涔嬮棿鏈夊樊寮傜殑鍏冪礌錛岃岃垗寮冪浉鍚岀殑鍏冪礌錛屽洜姝ゅぇ澶у噺灝戜簡鍚堟垚澶氬獟浣撴枃浠剁殑浣撶Н銆傚簲鐢?MPEG4 鎶鏈殑褰遍煶鏂囦歡鏈鏄捐憲鐗圭偣灝辨槸鍘嬬緝鐜囬珮涓旀垚鍍忔竻鏅幫紝涓鑸潵璇達紝涓灝忔椂鐨勫獎鍍忓彲浠ヨ鍘嬬緝涓?350M 宸﹀彸鐨勬暟鎹紝鑰屼竴閮ㄩ珮娓呮櫚搴︾殑 DVD 鐢靛獎 ,聽 鍙互鍘嬬緝鎴愪袱寮犵敋鑷充竴寮?650M聽 CD 鍏夌鏉ュ瓨鍌ㄣ傚騫垮ぇ鐨?" 騫蟲皯 " 璁$畻鏈虹敤鎴鋒潵璇達紝聽聽 榪欏氨鎰忓懗鐫 ,聽 鎮ㄤ笉闇瑕佽喘緗?DVD-ROM 灝卞彲浠ユ璧忚繎浼?DVD 璐ㄩ噺鐨勯珮鍝佽川褰卞儚銆傝屼笖閲囩敤 MPEG4 緙栫爜鎶鏈殑褰辯墖錛屽鏈哄櫒紜歡閰嶇疆鐨勮姹傞潪甯鎬箣浣庯紝 300MHZ聽 浠ヤ笂 CPU 錛?64M 鐨勫唴瀛樺拰涓涓?8M 鏄懼瓨鐨勬樉鍗″氨鍙互嫻佺晠鐨勬挱鏀俱傚湪鎾斁杞歡鏂歸潰錛屽畠瑕佹眰涔熼潪甯稿鏉撅紝浣犲彧闇瑕佸畨瑁呬竴涓?500K 宸﹀彸鐨劼?MPEG4聽 緙栫爜椹卞姩鍚庯紝鐢?WINDOWS聽 鑷甫鐨勫獟浣撴挱鏀懼櫒灝卞彲浠ユ祦鐣呯殑鎾斁浜嗭紙涓嬮潰鎴戜滑浼氬叿浣撹鍒幫級銆?
聽聽聽聽 瑙嗛緙栫爜鐮旂┒涓?MPEG 鏍囧噯婕旇繘聽
浜虹被鑾峰彇鐨勪俊鎭腑 70% 鏉ヨ嚜浜庤瑙夛紝瑙嗛淇℃伅鍦ㄥ濯掍綋淇℃伅涓崰鏈夐噸瑕佸湴浣嶏紱鍚屾椂瑙嗛鏁版嵁鍐椾綑搴︽渶澶э紝緇忓帇緙╁鐞嗗悗鐨勮棰戣川閲忛珮浣庢槸鍐沖畾澶氬獟浣撴湇鍔¤川閲忕殑鍏抽敭鍥犵礌銆傚洜姝ゆ暟瀛楄棰戞妧鏈槸澶氬獟浣撳簲鐢ㄧ殑鏍稿績鎶鏈紝瀵硅棰戠紪鐮佺殑鐮旂┒宸叉垚涓轟俊鎭妧鏈鍩熺殑鐑棬璇濋銆偮?
瑙嗛緙栫爜鐨勭爺絀惰棰樹富瑕佹湁鏁版嵁鍘嬬緝姣斻佸帇緙?/ 瑙e帇閫熷害鍙婂揩閫熷疄鐜扮畻娉曚笁鏂歸潰鍐呭銆備互鍘嬬緝 / 瑙e帇鍚庢暟鎹笌鍘嬬緝鍓嶅師濮嬫暟鎹槸鍚﹀畬鍏ㄤ竴鑷翠綔涓鴻 閲忔爣鍑嗭紝鍙皢鏁版嵁鍘嬬緝鍒掑垎涓烘棤澶辯湡鍘嬬緝錛堝嵆鍙嗗帇緙╋級鍜屾湁澶辯湡鍘嬬緝錛堝嵆涓嶅彲閫嗗帇緙╋級涓ょ被銆?
聽聽聽聽 浼犵粺鍘嬬緝緙栫爜寤虹珛鍦ㄤ粰鍐滀俊鎭鍩虹涔嬩笂鐨勶紝浠ョ粡鍏擱泦鍚堣涓哄伐鍏鳳紝鐢ㄦ鐜囩粺璁℃ā鍨嬫潵鎻忚堪淇℃簮錛屽叾鍘嬬緝鎬濇兂鍩轟簬鏁版嵁緇熻錛屽洜姝ゅ彧鑳藉幓闄ゆ暟鎹啑浣欙紝灞炰簬浣庡眰鍘嬬緝緙栫爜鐨勮寖鐣淬備即闅忕潃瑙嗛緙栫爜鐩稿叧瀛︾鍙婃柊鍏村縐戠殑榪呴熷彂灞曪紝鏂頒竴浠f暟鎹帇緙╂妧鏈笉鏂癁鐢熷茍鏃ョ泭鎴愮啛錛屽叾緙栫爜鎬濇兂鐢卞熀浜庡儚绱犲拰鍍忕礌鍧楄漿鍙樹負鍩轟簬鍐呭聽聽 錛?content-based 錛夈傚畠紿佺牬浜嗕粰鍐滀俊鎭妗嗘灦鐨勬潫緙氾紝鍏呭垎鑰冭檻浜嗕漢鐪艱瑙夌壒鎬у強淇℃簮鐗規э紝閫氳繃鍘婚櫎鍐呭鍐椾綑鏉ュ疄鐜版暟鎹帇緙╋紝鍙垎涓哄熀浜庡璞★紙 object-based 錛夊拰鍩轟簬璇箟錛?semantics-based 錛変袱縐嶏紝鍓嶈呭睘浜庝腑灞傚帇緙╃紪鐮侊紝鍚庤呭睘浜庨珮灞傚帇緙╃紪鐮併偮?
聽聽聽聽 涓庢鍚屾椂錛岃棰戠紪鐮佺浉鍏蟲爣鍑嗙殑鍒跺畾涔熸棩鑷誨畬鍠勩傝棰戠紪鐮佹爣鍑嗕富瑕佺敱 ITU-T 鍜?ISO/IEC 寮鍙戙?ITU-T 鍙戝竷鐨勮棰戞爣鍑嗘湁 H.261 銆伮?H.262 銆伮?H.263 銆伮?H.263+ 銆?H.263++ 錛?ISO/IEC 鍏竷鐨?MPEG 緋誨垪鏍囧噯鏈?MPEG-1 銆?MPEG-2聽 銆?MPEG-4聽 鍜?MPEG-7 錛屽茍涓旇鍒掑叕甯?MPEG-21 銆偮?
聽聽聽 MPEG 鍗?Moving Picture Expert Group 錛堣繍鍔ㄥ浘鍍忎笓瀹剁粍錛夛紝瀹冩槸涓撻棬浠庝簨鍒跺畾澶氬獟浣撹闊抽鍘嬬緝緙栫爜鏍囧噯鐨勫浗闄呯粍緇囥?MPEG 緋誨垪鏍囧噯宸叉垚涓哄浗闄呬笂褰卞搷鏈澶х殑澶氬獟浣撴妧鏈爣鍑嗭紝鍏朵腑 MPEG-1 鍜?MPEG-2 鏄噰鐢ㄤ互浠欏啘淇℃伅璁轟負鍩虹鐨勯嫻嬬紪鐮併佸彉鎹㈢紪鐮併佺喌緙栫爜鍙婅繍鍔ㄨˉ鍋跨瓑絎竴浠f暟鎹帇緙╃紪鐮佹妧鏈紱 MPEG-4 錛?ISO/IEC 14496 錛夊垯鏄熀浜庣浜屼唬鍘嬬緝緙栫爜鎶鏈埗瀹氱殑鍥介檯鏍囧噯錛屽畠浠ヨ鍚獟浣撳璞′負鍩烘湰鍗曞厓錛岄噰鐢ㄥ熀浜庡唴瀹圭殑鍘嬬緝緙栫爜錛屼互瀹炵幇鏁板瓧瑙嗛煶棰戙佸浘褰㈠悎鎴愬簲鐢ㄥ強浜や簰寮忓濯掍綋鐨勯泦鎴愩?MPEG 緋誨垪鏍囧噯瀵?VCD 銆?DVD 絳夎鍚秷璐圭數瀛愬強鏁板瓧鐢佃鍜岄珮娓呮櫚搴︾數瑙嗭紙 DTV&&HDTV 錛夈佸濯掍綋閫氫俊絳変俊鎭駭涓氱殑鍙戝睍浜х敓浜嗗法澶ц屾繁榪滅殑褰卞搷銆?
聽聽 MPEG-4 瑙嗛緙栫爜鏍稿績鎬濇兂鍙婂叧閿妧鏈?
聽聽聽 鏍稿績鎬濇兂聽
聽聽聽 鍦?MPEG-4 鍒跺畾涔嬪墠錛?MPEG-1 銆?MPEG-2 銆?H.261 銆?H.263 閮芥槸閲囩敤絎竴浠e帇緙╃紪鐮佹妧鏈紝鐫鐪間簬鍥懼儚淇″彿鐨勭粺璁$壒鎬ф潵璁捐緙栫爜鍣紝灞炰簬娉㈠艦緙栫爜鐨勮寖鐣淬傜涓浠e帇緙╃紪鐮佹柟妗堟妸瑙嗛搴忓垪鎸夋椂闂村厛鍚庡垎涓轟竴緋誨垪甯э紝姣忎竴甯у浘鍍忓張鍒嗘垚瀹忓潡浠ヨ繘琛岃繍鍔ㄨˉ鍋垮拰緙栫爜錛岃繖縐嶇紪鐮佹柟妗堝瓨鍦ㄤ互涓嬬己闄鳳細聽
路聽 灝嗗浘鍍忓浐瀹氬湴鍒嗘垚鐩稿悓澶у皬鐨勫潡錛屽湪楂樺帇緙╂瘮鐨勬儏鍐典笅浼氬嚭鐜頒弗閲嶇殑鍧楁晥搴旓紝鍗抽┈璧涘厠鏁堝簲錛浡?
路聽 涓嶈兘瀵瑰浘鍍忓唴瀹硅繘琛岃闂佺紪杈戝拰鍥炴斁絳?* 浣滐紱聽
路聽 鏈厖鍒嗗埄鐢ㄤ漢綾昏瑙夌郴緇燂紙 HVS 錛?Human Visual System 錛夌殑鐗規с偮?
聽聽聽 MPEG-4 鍒欎唬琛ㄤ簡鍩轟簬妯″瀷 / 瀵硅薄鐨勭浜屼唬鍘嬬緝緙栫爜鎶鏈紝瀹冨厖鍒嗗埄鐢ㄤ簡浜虹溂瑙嗚鐗規э紝鎶撲綇浜嗗浘鍍忎俊鎭紶杈撶殑鏈川錛屼粠杞粨銆佺汗鐞嗘濊礬鍑哄彂錛屾敮鎸佸熀浜庤瑙夊唴瀹圭殑浜や簰鍔熻兘錛岃繖閫傚簲浜嗗濯掍綋淇℃伅鐨勫簲鐢ㄧ敱鎾斁鍨嬭漿鍚戝熀浜庡唴瀹圭殑璁塊棶銆佹绱㈠強 * 浣滅殑鍙戝睍瓚嬪娍銆偮?
AV 瀵硅薄錛?AVO 錛?Audio Visual Object 錛夋槸 MPEG-4 涓烘敮鎸佸熀浜庡唴瀹圭紪鐮佽屾彁鍑虹殑閲嶈姒傚康銆傚璞℃槸鎸囧湪涓涓満鏅腑鑳藉璁塊棶鍜?* 綰電殑瀹炰綋錛屽璞$殑鍒掑垎鍙牴鎹叾鐙壒鐨勭汗鐞嗐佽繍鍔ㄣ佸艦鐘躲佹ā鍨嬪拰楂樺眰璇箟涓轟緷鎹傚湪 MPEG-4 涓墍瑙佺殑瑙嗛煶棰戝凡涓嶅啀鏄繃鍘?MPEG-1 銆?MPEG-2 涓浘鍍忓撫鐨勬蹇碉紝鑰屾槸涓涓釜瑙嗗惉鍦烘櫙錛?AV 鍦烘櫙錛夛紝榪欎簺涓嶅悓鐨?AV 鍦烘櫙鐢變笉鍚岀殑 AV 瀵硅薄緇勬垚銆?AV 瀵硅薄鏄惉瑙夈佽瑙夈佹垨鑰呰鍚唴瀹圭殑琛ㄧず鍗曞厓錛屽叾鍩烘湰鍗曚綅鏄師濮?AV 瀵硅薄錛屽畠鍙互鏄嚜鐒剁殑鎴栧悎鎴愮殑澹伴煶銆佸浘鍍忋傚師濮?AV 瀵硅薄鍏鋒湁楂樻晥緙栫爜銆侀珮鏁堝瓨鍌ㄤ笌浼犺緭浠ュ強鍙氦浜?* 浣滅殑鐗規э紝瀹冨張鍙繘涓姝ョ粍鎴愬鍚?AV 瀵硅薄銆傚洜姝?MPEG-4 鏍囧噯鐨勫熀鏈唴瀹瑰氨鏄 AV 瀵硅薄榪涜楂樻晥緙栫爜銆佺粍緇囥佸瓨鍌ㄤ笌浼犺緭銆?AV 瀵硅薄鐨勬彁鍑猴紝浣垮濯掍綋閫氫俊鍏鋒湁楂樺害浜や簰鍙婇珮鏁堢紪鐮佺殑鑳藉姏錛?AV 瀵硅薄緙栫爜灝辨槸 MPEG-4 鐨勬牳蹇冪紪鐮佹妧鏈偮?
聽聽聽 MPEG-4 涓嶄粎鍙彁渚涢珮鍘嬬緝鐜囷紝鍚屾椂涔熷彲瀹炵幇鏇村ソ鐨勫濯掍綋鍐呭浜掑姩鎬у強鍏ㄦ柟浣嶇殑瀛樺彇鎬э紝瀹冮噰鐢ㄥ紑鏀劇殑緙栫爜緋葷粺錛屽彲闅忔椂鍔犲叆鏂扮殑緙栫爜綆楁硶妯″潡錛屽悓鏃朵篃鍙牴鎹笉鍚屽簲鐢ㄩ渶姹傜幇鍦洪厤緗В鐮佸櫒錛屼互鏀寔澶氱澶氬獟浣撳簲鐢ㄣ偮?
聽聽聽 MPEG-4聽 閲囩敤浜嗘柊涓浠h棰戠紪鐮佹妧鏈紝瀹冨湪瑙嗛緙栫爜鍙戝睍鍙蹭笂絎竴嬈℃妸緙栫爜瀵硅薄浠庡浘鍍忓撫鎷撳睍鍒板叿鏈夊疄闄呮剰涔夌殑浠繪剰褰㈢姸瑙嗛瀵硅薄錛屼粠鑰屽疄鐜頒簡浠庡熀浜庡儚绱犵殑浼犵粺緙栫爜鍚戝熀浜庡璞″拰鍐呭鐨勭幇浠g紪鐮佺殑杞彉錛屽洜鑰屽紩棰嗙潃鏂頒竴浠f櫤鑳藉浘鍍忕紪鐮佺殑鍙戝睍娼祦銆?
聽聽聽聽 鍏抽敭鎶鏈?
MPEG-4 闄ら噰鐢ㄧ涓浠h棰戠紪鐮佺殑鏍稿績鎶鏈紝濡傚彉鎹㈢紪鐮併佽繍鍔ㄤ及璁′笌榪愬姩琛ュ伩銆侀噺鍖栥佺喌緙栫爜澶栵紝榪樻彁鍑轟簡涓浜涙柊鐨勬湁鍒涜鎬х殑鍏抽敭鎶鏈紝騫跺湪絎竴浠h棰戠紪鐮佹妧鏈熀紜涓婅繘琛屼簡鍗撴湁鎴愭晥鐨勫畬鍠勫拰鏀硅繘銆備笅闈㈤噸鐐逛粙緇嶅叾涓殑涓浜涘叧閿妧鏈偮?
聽聽聽 A.聽 瑙嗛瀵硅薄鎻愬彇鎶鏈?
MPEG-4 瀹炵幇鍩轟簬鍐呭浜や簰鐨勯瑕佷換鍔″氨鏄妸瑙嗛 / 鍥懼儚鍒嗗壊鎴愪笉鍚屽璞℃垨鑰呮妸榪愬姩瀵硅薄浠庤儗鏅腑鍒嗙鍑烘潵錛岀劧鍚庨拡瀵逛笉鍚屽璞¢噰鐢ㄧ浉搴旂紪鐮佹柟娉曪紝浠ュ疄鐜伴珮鏁堝帇緙┿傚洜姝よ棰戝璞℃彁鍙栧嵆瑙嗛瀵硅薄鍒嗗壊錛屾槸 MPEG-4 瑙嗛緙栫爜鐨勫叧閿妧鏈紝涔熸槸鏂頒竴浠h棰戠紪鐮佺殑鐮旂┒鐑偣鍜岄毦鐐廣?
瑙嗛瀵硅薄鍒嗗壊娑夊強瀵硅棰戝唴瀹圭殑鍒嗘瀽鍜岀悊瑙o紝榪欎笌浜哄伐鏅鴻兘銆佸浘鍍忕悊瑙c佹ā寮忚瘑鍒拰紲炵粡緗戠粶絳夊縐戞湁瀵嗗垏鑱旂郴銆傜洰鍓嶄漢宸ユ櫤鑳界殑鍙戝睍榪樹笉澶熷畬鍠勶紝璁$畻鏈鴻繕涓嶅叿鏈夎瀵熴佽瘑鍒佺悊瑙e浘鍍忕殑鑳藉姏錛涘悓鏃跺叧浜庤綆楁満瑙嗚鐨勭爺絀朵篃琛ㄦ槑瑕佸疄鐜版紜殑鍥懼儚鍒嗗壊闇瑕佸湪鏇撮珮灞傛涓婂瑙嗛鍐呭榪涜鐞嗚В銆傚洜姝わ紝灝界 MPEG-4聽 妗嗘灦宸茬粡鍒跺畾錛屼絾鑷充粖浠嶆病鏈夐氱敤鐨勬湁鏁堟柟娉曞幓鏍規湰瑙e喅瑙嗛瀵硅薄鍒嗗壊闂錛岃棰戝璞″垎鍓茶璁や負鏄竴涓叿鏈夋寫鎴樻х殑闅鵑錛屽熀浜庤涔夌殑鍒嗗壊鍒欐洿鍔犲洶闅俱偮?
聽聽聽聽 鐩墠榪涜瑙嗛瀵硅薄鍒嗗壊鐨勪竴鑸楠ゆ槸錛氬厛瀵瑰師濮嬭棰?/ 鍥懼儚鏁版嵁榪涜綆鍖栦互鍒╀簬鍒嗗壊錛岃繖鍙氳繃浣庨氭護娉€佷腑鍊兼護娉€佸艦鎬佹護娉㈡潵瀹屾垚錛涚劧鍚庡瑙嗛 / 鍥懼儚鏁版嵁榪涜鐗瑰緛鎻愬彇錛屽彲浠ユ槸棰滆壊銆佺汗鐞嗐佽繍鍔ㄣ佸撫宸佷綅縐誨撫宸箖鑷寵涔夌瓑鐗瑰緛錛涘啀鍩轟簬鏌愮鍧囧寑鎬ф爣鍑嗘潵紜畾鍒嗗壊鍐崇瓥錛屾牴鎹墍鎻愬彇鐗瑰緛灝嗚棰戞暟鎹綊綾伙紱鏈鍚庢槸榪涜鐩稿叧鍚庡鐞嗭紝浠ュ疄鐜版護闄ゅ櫔澹板強鍑嗙‘鎻愬彇杈圭晫銆偮?
聽聽聽聽 鍦ㄨ棰戝垎鍓蹭腑鍩轟簬鏁板褰㈡佺悊璁虹殑鍒嗘按宀紙 watershed 錛夌畻娉曡騫挎硾浣跨敤錛屽畠鍙堢О姘寸嚎綆楁硶錛屽叾鍩烘湰榪囩▼鏄繛緇厫铓浜屽煎浘鍍忥紝鐢卞浘鍍忕畝鍖栥佹爣璁版彁鍙栥佸喅絳栥佸悗澶勭悊鍥涗釜闃舵鏋勬垚銆傚垎姘村箔綆楁硶鍏鋒湁榪愮畻綆鍗曘佹ц兘浼樿壇錛岃兘澶熻緝濂芥彁鍙栬繍鍔ㄥ璞¤疆寤撱佸噯紜緱鍒拌繍鍔ㄧ墿浣撹竟緙樼殑浼樼偣銆備絾鍒嗗壊鏃墮渶瑕佹搴︿俊鎭紝瀵瑰櫔澹拌緝鏁忔劅錛屼笖鏈埄鐢ㄥ撫闂翠俊鎭紝閫氬父浼氫駭鐢熷浘鍍忚繃搴﹀垎鍓層偮?
聽聽聽 B. VOP 瑙嗛緙栫爜鎶鏈?
聽聽聽聽 瑙嗛瀵硅薄騫抽潰錛?VOP 錛?Video Object Plane 錛夋槸瑙嗛瀵硅薄錛?VO 錛夊湪鏌愪竴鏃跺埢鐨勯噰鏍鳳紝 VOP 鏄?MPEG-4 瑙嗛緙栫爜鐨勬牳蹇冩蹇點?MPEG-4 鍦ㄧ紪鐮佽繃紼嬩腑閽堝涓嶅悓 VO 閲囩敤涓嶅悓鐨勭紪鐮佺瓥鐣ワ紝鍗沖鍓嶆櫙 VO 鐨勫帇緙╃紪鐮佸敖鍙兘淇濈暀緇嗚妭鍜屽鉤婊戯紱瀵硅儗鏅?VO 鍒欓噰鐢ㄩ珮鍘嬬緝鐜囩殑緙栫爜絳栫暐錛岀敋鑷充笉浜堜紶杈撹屽湪瑙g爜绔敱鍏朵粬鑳屾櫙鎷兼帴鑰屾垚銆傝繖縐嶅熀浜庡璞$殑瑙嗛緙栫爜涓嶄粎鍏嬫湇浜嗙涓浠h棰戠紪鐮佷腑楂樺帇緙╃巼緙栫爜鎵浜х敓鐨勬柟鍧楁晥搴旓紝鑰屼笖浣跨敤鎴峰彲涓庡満鏅氦浜掞紝浠庤屾棦鎻愰珮浜嗗帇緙╂瘮錛屽張瀹炵幇浜嗗熀浜庡唴瀹圭殑浜や簰錛屼負瑙嗛緙栫爜鎻愪緵浜嗗箍闃旂殑鍙戝睍絀洪棿銆?
MPEG-4 鏀寔浠繪剰褰㈢姸鍥懼儚涓庤棰戠殑緙栬В鐮併傚浜庝換鎰忓艦鐘惰棰戝璞°傚浜庢瀬浣庢瘮鐗圭巼瀹炴椂搴旂敤錛屽鍙鐢佃瘽銆佷細璁數瑙嗭紝 MPEG-4 鍒欓噰鐢?VLBV 錛?Very Low Bit-rate Video 錛屾瀬浣庢瘮鐗圭巼瑙嗛錛夋牳榪涜緙栫爜銆偮?
聽聽聽聽 浼犵粺鐨勭煩褰㈠浘鍦?MPEG-4 涓鐪嬩綔鏄?VO 鐨勪竴縐嶇壒渚嬶紝榪欐浣撶幇浜嗕紶緇熺紪鐮佷笌鍩轟簬鍐呭緙栫爜鍦?MPEG-4 涓殑緇熶竴銆?VO 姒傚康鐨勫紩鍏ワ紝鏇村姞絎﹀悎浜鴻剳瀵硅瑙変俊鎭殑澶勭悊鏂瑰紡錛屽茍浣胯棰戜俊鍙風殑澶勭悊鏂瑰紡浠庢暟瀛楀寲榪涘睍鍒版櫤鑳藉寲錛屼粠鑰屾彁楂樹簡瑙嗛淇″彿鐨勪氦浜掓у拰鐏墊椿鎬э紝浣垮緱鏇村箍娉涚殑瑙嗛搴旂敤鍙婃洿澶氱殑鍐呭浜や簰鎴愪負鍙兘銆傚洜姝?VOP 瑙嗛緙栫爜鎶鏈瑾変負瑙嗛淇″彿澶勭悊鎶鏈粠鏁板瓧鍖栬繘鍏ユ櫤鑳藉寲鐨勫垵姝ユ帰绱€偮?
聽聽聽 C.聽 瑙嗛緙栫爜鍙垎綰фф妧鏈?
聽聽聽聽 闅忕潃鍥犵壒緗戜笟鍔$殑宸ㄥぇ澧為暱錛屽湪閫熺巼璧蜂紡寰堝ぇ鐨?IP 錛?Internet Protocol 錛夌綉緇滃強鍏鋒湁涓嶅悓浼犺緭鐗規х殑寮傛瀯緗戠粶涓婅繘琛岃棰戜紶杈撶殑瑕佹眰鍜屽簲鐢ㄨ秺鏉ヨ秺澶氥傚湪榪欑鑳屾櫙涓嬶紝瑙嗛鍒嗙駭緙栫爜鐨勯噸瑕佹ф棩鐩婄獊鍑猴紝鍏跺簲鐢ㄩ潪甯稿箍娉涳紝涓斿叿鏈夊緢楂樼殑鐞嗚鐮旂┒鍙婂疄闄呭簲鐢ㄤ環鍊鹼紝鍥犳鍙楀埌浜轟滑鐨勬瀬澶у叧娉ㄣ?
聽聽聽聽 瑙嗛緙栫爜鐨勫彲鍒嗙駭鎬э紙 scalability 錛夋槸鎸囩爜鐜囩殑鍙皟鏁存э紝鍗寵棰戞暟鎹彧鍘嬬緝涓嬈★紝鍗磋兘浠ュ涓撫鐜囥佺┖闂村垎杈ㄧ巼鎴栬棰戣川閲忚繘琛岃В鐮侊紝浠庤屽彲鏀寔澶氱綾誨瀷鐢ㄦ埛鐨勫悇縐嶄笉鍚屽簲鐢ㄨ姹傘偮?
聽聽聽 MPEG-4 閫氳繃瑙嗛瀵硅薄灞傦紙 VOL 錛?Video Object Layer 錛夋暟鎹粨鏋勬潵瀹炵幇鍒嗙駭緙栫爜銆?MPEG-4 鎻愪緵浜嗕袱縐嶅熀鏈垎綰у伐鍏鳳紝鍗蟲椂鍩熷垎綰э紙 Temporal Scalability 錛夊拰絀哄煙鍒嗙駭錛?Spatial Scalability 錛夛紝姝ゅ榪樻敮鎸佹椂鍩熷拰絀哄煙鐨勬販鍚堝垎綰с傛瘡涓縐嶅垎綰х紪鐮侀兘鑷沖皯鏈変袱灞?VOL 錛屼綆灞傜О涓哄熀鏈眰錛岄珮灞傜О涓哄寮哄眰銆傚熀鏈眰鎻愪緵浜嗚棰戝簭鍒楃殑鍩烘湰淇℃伅錛屽寮哄眰鎻愪緵浜嗚棰戝簭鍒楁洿楂樼殑鍒嗚鯨鐜囧拰緇嗚妭銆偮?
聽聽聽聽 鍦ㄩ殢鍚庡琛ョ殑瑙嗛嫻佸簲鐢ㄦ鏋朵腑錛?MPEG-4 鎻愬嚭浜?FGS 錛?Fine Granularity Scalable 錛岀簿緇嗗彲浼哥緝鎬э級瑙嗛緙栫爜綆楁硶浠ュ強 PFGS 錛?Progressive Fine Granularity Scalable 錛屾笎榪涚簿緇嗗彲浼哥緝鎬э級瑙嗛緙栫爜綆楁硶銆偮?
聽聽聽 FGS 緙栫爜瀹炵幇綆鍗曪紝鍙湪緙栫爜閫熺巼銆佹樉紺哄垎杈ㄧ巼銆佸唴瀹廣佽В鐮佸鏉傚害絳夋柟闈㈡彁渚涚伒媧葷殑鑷傚簲鍜屽彲鎵╁睍鎬э紝涓斿叿鏈夊緢寮虹殑甯﹀鑷傚簲鑳藉姏鍜屾姉璇爜鎬ц兘銆備絾榪樺瓨鍦ㄧ紪鐮佹晥鐜囦綆浜庨潪鍙墿灞曠紪鐮佸強鎺ユ敹绔棰戣川閲忛潪鏈浼樹袱涓笉瓚熾?
聽聽聽 PFGS 鍒欐槸涓烘敼鍠?FGS 緙栫爜鏁堢巼鑰屾彁鍑虹殑瑙嗛緙栫爜綆楁硶錛屽叾鍩烘湰鎬濇兂鏄湪澧炲己灞傚浘鍍忕紪鐮佹椂浣跨敤鍓嶄竴甯ч噸寤虹殑鏌愪釜澧炲己灞傚浘鍍忎負鍙傝冭繘琛岃繍鍔ㄨˉ鍋匡紝浠ヤ嬌榪愬姩琛ュ伩鏇村姞鏈夋晥錛屼粠鑰屾彁楂樼紪鐮佹晥鐜囥?
聽聽聽 D.聽 榪愬姩浼拌涓庤繍鍔ㄨˉ鍋挎妧鏈?
聽聽聽 MPEG-4 閲囩敤 I-VOP 銆?P-VOP 銆?B-VOP 涓夌甯ф牸寮忔潵琛ㄥ緛涓嶅悓鐨勮繍鍔ㄨˉ鍋跨被鍨嬨傚畠閲囩敤浜?H.263 涓殑鍗婂儚绱犳悳绱紙 half pixel searching 錛夋妧鏈拰閲嶅彔榪愬姩琛ュ伩錛?overlapped motion compensation) 鎶鏈紝鍚屾椂鍙堝紩鍏ラ噸澶嶅~鍏咃紙 repetitive padding 錛夋妧鏈拰淇敼鐨勫潡錛堝杈瑰艦錛夊尮閰嶏紙 modified block聽 錛?polygon 錛?matching 錛夋妧鏈互鏀寔浠繪剰褰㈢姸鐨?VOP 鍖哄煙銆?
聽聽聽聽 姝ゅ錛屼負鎻愰珮榪愬姩浼拌綆楁硶綺懼害錛?MPEG-4 閲囩敤浜?MVFAST 錛?Motion Vector Field Adaptive Search Technique 錛夊拰鏀硅繘鐨?PMVFAST 錛?Predictive MVFAST 錛夋柟娉曠敤浜庤繍鍔ㄤ及璁°傚浜庡叏灞榪愬姩浼拌錛屽垯閲囩敤浜嗗熀浜庣壒寰佺殑蹇熼〗鍋ョ殑 FFRGMET 錛?Feature-based Fast and Robust Global Motion Estimation Technique 錛夋柟娉曘偮?
鍦?MPEG-4 瑙嗛緙栫爜涓紝榪愬姩浼拌鐩稿綋鑰楁椂錛屽緙栫爜鐨勫疄鏃舵у獎鍝嶅緢澶с傚洜姝よ繖閲岀壒鍒己璋冨揩閫熺畻娉曘傝繍鍔ㄤ及璁℃柟娉曚富瑕佹湁鍍忕礌閫掑綊娉曞拰鍧楀尮閰嶆硶涓ゅぇ綾伙紝鍓嶈呭鏉傚害寰堥珮錛屽疄闄呬腑搴旂敤杈冨皯錛屽悗鑰呭垯鍦?H.263 鍜?MPEG 涓箍娉涢噰鐢ㄣ傚湪鍧楀尮閰嶆硶涓紝閲嶇偣鐮旂┒鍧楀尮閰嶅噯鍒欏強鎼滅儲鏂規硶銆傜洰鍓嶆湁涓夌甯哥敤鐨勫尮閰嶅噯鍒欙細聽
錛?1 錛夌粷瀵硅宸拰錛?SAD, Sum of Absolute Difference 錛夊噯鍒欙紱聽
錛?2 錛夊潎鏂硅宸紙 MSE, Mean Square Error 錛夊噯鍒欙紱聽
錛?3 錛夊綊涓鍖栦簰鐩稿叧鍑芥暟錛?NCCF, Normalized Cross Correlation Function 錛夊噯鍒欍偮?
聽聽聽聽 鍦ㄤ笂榪頒笁縐嶅噯鍒欎腑錛?SAD 鍑嗗垯鍏鋒湁涓嶉渶涔樻硶榪愮畻銆佸疄鐜扮畝鍗曟柟渚跨殑浼樼偣鑰屼嬌鐢ㄦ渶澶氾紝浣嗗簲娓呮鍖歸厤鍑嗗垯鐨勯夌敤瀵瑰尮閰嶇粨鏋滃獎鍝嶄笉澶с偮?
鍦ㄩ夊彇鍖歸厤鍑嗗垯鍚庡氨搴旇繘琛屽鎵炬渶浼樺尮閰嶇偣鐨勬悳绱㈠伐浣溿傛渶綆鍗曘佹渶鍙潬鐨勬柟娉曟槸鍏ㄦ悳绱㈡硶錛?FS, Full Search 錛夛紝浣嗚綆楅噺澶ぇ錛屼笉渚夸簬瀹炴椂瀹炵幇銆傚洜姝ゅ揩閫熸悳绱㈡硶搴旇繍鑰岀敓錛屼富瑕佹湁浜ゅ弶鎼滅儲娉曘佷簩緇村鏁版硶鍜岄捇鐭蟲悳绱㈡硶錛屽叾涓捇鐭蟲悳绱㈡硶琚?MPEG-4 鏍¢獙妯″瀷錛?VM, Verification Model 錛夋墍閲囩撼錛屼笅闈㈣緇嗕粙緇嶃偮?
閽葷煶鎼滅儲錛?DS, Diamond Search 錛夋硶浠ユ悳绱㈡ā鏉垮艦鐘惰屽緱鍚嶏紝鍏鋒湁綆鍗曘侀瞾媯掋侀珮鏁堢殑鐗圭偣錛屾槸鐜版湁鎬ц兘鏈浼樼殑蹇熸悳绱㈢畻娉曚箣涓銆傚叾鍩烘湰鎬濇兂鏄埄鐢ㄦ悳绱㈡ā鏉跨殑褰㈢姸鍜屽ぇ灝忓榪愬姩浼拌綆楁硶閫熷害鍙婄簿搴︿駭鐢熼噸瑕佸獎鍝嶇殑鐗規с傚湪鎼滅儲鏈浼樺尮閰嶇偣鏃訛紝閫夋嫨灝忕殑鎼滅儲妯℃澘鍙兘浼氶櫡鍏ュ眬閮ㄦ渶浼橈紝閫夋嫨澶х殑鎼滅儲妯℃澘鍒欏彲鑳芥棤娉曟壘鍒版渶浼樼偣銆傚洜姝?DS 綆楁硶閽堝瑙嗛鍥懼儚涓繍鍔ㄧ煝閲忕殑鍩烘湰瑙勫緥錛岄夌敤浜嗕袱縐嶅艦鐘跺ぇ灝忕殑鎼滅儲妯℃澘銆偮?
路聽 澶ч捇鐭蟲悳绱㈡ā鏉匡紙 LDSP, Large Diamond Search Pattern 錛夛紝鍖呭惈 9 涓欓変綅緗紱聽
路聽 灝忛捇鐭蟲悳绱㈡ā鏉匡紙 SDSP, Small Diamond Search Pattern 錛夛紝鍖呭惈 5 涓欓変綅緗偮?
聽聽聽 DS 綆楁硶鎼滅儲榪囩▼濡備笅錛氬紑濮嬮樁孌靛厛閲嶅浣跨敤澶ч捇鐭蟲悳绱㈡ā鏉匡紝鐩村埌鏈浣沖尮閰嶅潡钀藉湪澶ч捇鐭充腑蹇冦傜敱浜?LDSP 姝ラ暱澶э紝鍥犺屾悳绱㈣寖鍥村箍錛屽彲瀹炵幇綺楀畾浣嶏紝浣挎悳绱笉浼氶櫡浜庡眬閮ㄦ渶灝忥紝褰撶矖瀹氫綅緇撴潫鍚庯紝鍙涓烘渶浼樼偣灝卞湪 LDSP聽 鍛ㄥ洿 8聽 涓偣鎵鍥磋彵褰㈠尯鍩熶腑銆傜劧鍚庡啀浣跨敤灝忛捇鐭蟲悳绱㈡ā鏉挎潵瀹炵幇鏈浣沖尮閰嶅潡鐨勫噯紜畾浣嶏紝浠ヤ笉浜х敓杈冨ぇ璧蜂紡錛屼粠鑰屾彁楂樿繍鍔ㄤ及璁$簿搴︺偮?
姝ゅ Sprite 瑙嗛緙栫爜鎶鏈篃鍦?MPEG-4 涓簲鐢ㄥ箍娉涳紝浣滀負鍏舵牳蹇冩妧鏈箣涓銆?Sprite 鍙堢О闀跺祵鍥炬垨鑳屾櫙鍏ㄦ櫙鍥撅紝鏄寚涓涓棰戝璞″湪瑙嗛搴忓垪涓墍鏈夊嚭鐜伴儴鍒嗙粡鎷兼帴鑰屾垚鐨勪竴騫呭浘鍍忋傚埄鐢?Sprite 鍙互鐩存帴閲嶆瀯璇ヨ棰戝璞℃垨瀵瑰叾榪涜棰勬祴琛ュ伩緙栫爜銆偮?
聽聽聽 Sprite 瑙嗛緙栫爜鍙涓轟竴縐嶆洿涓哄厛榪涚殑榪愬姩浼拌鍜岃ˉ鍋挎妧鏈紝瀹冭兘澶熷厠鏈嶅熀浜庡浐瀹氬垎鍧楃殑浼犵粺榪愬姩浼拌鍜岃ˉ鍋挎妧鏈殑涓嶈凍錛?MPEG-4 姝f槸閲囩敤浜嗗皢浼犵粺鍒嗗潡緙栫爜鎶鏈笌 Sprite 緙栫爜鎶鏈浉緇撳悎鐨勭瓥鐣ャ?
聽聽聽 MPEG4 鐨勫簲鐢ㄩ鍩?
聽聽聽聽 鍑熺潃鍑鴻壊鐨勬ц兘錛?MPEG4 鎶鏈洰鍓嶅湪澶氬獟浣撲紶杈撱佸濯掍綋瀛樺偍絳夐鍩熷緱鍒頒簡騫挎硾鐨勫簲鐢紝涓嬮潰鎴戜滑灝辨潵鐪嬬湅鐩墠鍦ㄩ偅浜涢鍩?MPEG4 鎶鏈緱鍒頒簡澶ф樉浼告墜鐨勬満浼氥?
聽聽聽 1 銆佺簿褰╃殑瑙嗛涓栫晫
綺懼僵鐨勮棰戜笘鐣屾槸 MPEG4 鎶鏈簲鐢ㄦ渶澶氫篃鏄渶涓哄箍澶ф湅鍙嬫墍鐔熸倝鐨勭殑褰㈠紡銆傜洰鍓嶅畠涓昏浠ヤ袱縐嶅艦寮忓嚭鐜幫紝涓縐嶆槸 DIVX 錛?MPEG4 褰辯錛堝浗鍐呭競闈笂宸插嚭鐜幫紝涓?D 鐗堝眳澶氾級錛屽彟涓縐嶆槸緗戜笂 MPEG4 鐢靛獎銆?
聽聽 錛?1 錛夈佹垜浠厛鏉ヨ璇?DIVX 錛?MPEG4 褰辯錛?DIVX 瑙嗛緙栫爜鎶鏈疄闄呬笂灝辨槸 MPEG4 鍘嬬緝鎶鏈紝瀹冪敱寰蔣 MPEG4V3 淇敼鑰屾潵錛屼嬌鐢ㄧ殑鏄?MPEG4 鍘嬬緝綆楁硶錛屽茍鍚屾椂鍒嗙瑙嗛鍜岄煶棰戙傚畠鐨勬牳蹇冮儴鍒嗕究鏄敱 DivX 瀵?DVD 闊寵棰戣繘琛屽帇緙╋紝鐢熸垚 Mpeg4 瑙嗛鏍煎紡鏂囦歡 ( 涔熷氨鏄?AVI 鏍煎紡 ) 銆?
灝忔彁紺猴細絎旇呬篃鏄粡甯歌鏈嬪弸鎵闂埌錛?" 鎴戠湅鍒扮殑 MPEG4 鐢靛獎鐗囨鏄庢槑鏄?avi 錛堟墿灞曞悕錛夋牸寮忔枃浠訛紝騫朵笖 Windows 鐨勫獟浣撴挱鏀懼櫒涔熶笌涔嬪叧鑱旓紝浣嗗氨鏄棤娉曟挱鏀?" 銆傚叾瀹烇紝聽 MPEG4 騫舵病鏈夌‘瀹氬繀欏葷敤浠涔堟墿灞曞悕錛屽畠鍙槸涓縐嶇紪鐮佹柟娉曡屽凡銆備嬌鐢?avi 浣滀負鎵╁睍鍚嶏紝鏄竴縐嶄範鎯х殑娌跨敤銆?
鍦ㄨ綆楁満涓婃挱鏀?MPEG4 褰遍煶鏂囦歡鐨勬柟娉曠洰鍓嶆湁涓ょ錛氱涓縐嶆槸鐢ㄨ濡?DivxPlayer 絳変笓闂ㄧ殑鎾斁杞歡鏉ユ挱鏀撅紱絎簩縐嶆挱鏀炬柟娉曟槸瀹夎 MPEG4(Divx) 鎻掍歡鍚庯紝鐢?Windows 鑷甫鐨勫獟浣撴挱鏀炬満鏉ユ挱鏀俱?
聽聽聽 錛?2 錛夈侀殢鐫緗戠粶鎶鏈殑涓嶆柇鍙戝睍錛屼簰鑱旂綉涓婄殑瑙嗛嫻佸簲鐢ㄤ篃鎴愪負浜嗚繎鍑犲勾鐨勭儹闂ㄨ瘽棰樸傜洰鍓嶏紝鍦ㄤ簰鑱旂綉涓婃瘮杈冩祦琛岀殑鍑犵褰卞儚鏍煎紡鍖呮嫭 Quicktime 銆?RealPlay 浠ュ強寰蔣鐨?MediaPlayer 絳夈?MPEG4 鎶鏈嚭鐜頒箣鍚庯紝浜掕仈緗戜笂鍙堝嚭鐜頒簡 MPEG4 鏍煎紡鐨勭數褰憋紝涓嶈繃鍦ㄨ鐪嬪墠錛岀郴緇熶細鎻愮ず浣犱笅杞芥渶鏂扮殑 MPEG4 瑙g爜杞歡銆?
灝忔彁紺猴細澶у騫蟲椂鍦ㄧ綉涓婂彲鑳界粡甯鎬細鐪嬭 ASF 鏍煎紡鐨勭數褰憋紝鍏跺疄瀹冧篃鏄井杞叕鍙稿紑鍙戝嚭鐨勪竴縐嶅彲浠ョ洿鎺ュ湪緗戜笂瑙傜湅瑙嗛鑺傜洰鐨勫帇緙╂牸寮忋備嬌鐢ㄧ殑涔熸槸 MPEG4 鐨勫帇緙╃畻娉曪紝浣嗗洜涓哄畠鏄互緗戜笂鍗蟲椂瑙傜湅鐢靛獎鐨勮棰戞祦鏍煎紡瀛樺湪鐨勶紝鎵浠ュ畠鐨勫浘鍍忚川閲忕浉瀵硅宸竴浜涖?
聽聽聽
聽聽聽 2 銆佷綆姣旂壒鐜囦笅鐨勫濯掍綋閫氫俊錛?
鐩墠錛?MPEG4 鎶鏈凡緇忓箍娉涚殑搴旂敤鍦ㄥ瑙嗛鐢佃瘽銆佽棰戠數瀛愰偖浠躲佺Щ鍔ㄩ氫俊銆佺數瀛愭柊闂葷瓑澶氬獟浣撻氫俊棰嗗煙銆傜敱浜庤繖浜涘簲鐢ㄥ浼犺緭閫熺巼瑕佹眰杈冧綆錛屼竴鑸湪 4.8 锝?64kbit/s 涔嬮棿錛屽垎杈ㄧ巼涓?176脳144 宸﹀彸銆傚洜姝?MPEG4 鎶鏈畬鍏ㄥ彲浠ュ厖鍒嗙殑鍒╃敤緗戠粶甯﹀錛岄氳繃甯ч噸寤烘妧鏈帇緙╁拰浼犺緭鏁版嵁錛屼互鏈灝戠殑鏁版嵁閲忚幏寰楁渶浣崇殑鍥懼儚璐ㄩ噺銆?
聽聽聽
聽聽聽 3 銆佸疄鏃跺濯掍綋鐩戞帶銆?
澶氬獟浣撶洃鎺ч鍩熷師鏉ヤ竴鐩存槸 MPEG1 鎶鏈媴褰撻噸浠伙紝浣嗚繎浜涘勾鏉ワ紝瀹冧滑涔熸槸 " 鍩庡ご鍙樻崲澶х帇鏃?" 浜嗐傜敱浜?MPEG4 鍘嬬緝鎶鏈師鏈槸涓縐嶉傜敤鍦ㄤ綆甯﹀涓嬭繘琛屼俊鎭氦鎹㈢殑闊寵棰戝鐞嗘妧鏈紝瀹冪殑鐗圭偣鏄彲浠ュ姩鎬佺殑渚︽祴鍥懼儚鍚勪釜鍖哄煙鍙樺寲錛屽熀浜庡璞$殑璋冩暣鍘嬬緝鏂規硶鍙互鑾峰緱姣?MPEG1 鏇村ぇ鐨勫帇緙╂瘮錛屼嬌鍘嬬緝鐮佹祦鏇翠綆銆傚洜姝わ紝灝界 MPEG4 鎶鏈竴寮濮嬪茍涓嶆槸涓撲負瑙嗛鐩戞帶鍘嬬緝棰嗗煙鑰屽紑鍙戠殑錛屼絾瀹冮珮娓呮櫚搴︾殑瑙嗛鍘嬬緝錛屽湪瀹炴椂澶氬獟浣撶洃鎺т笂錛屾棤鑳芥槸瀛樺偍閲忥紝浼犺緭鐨勯熺巼錛屾竻鏅板害閮芥瘮 MPEG1 鍏鋒湁鏇村ぇ鐨勪紭鍔褲?
聽聽聽
聽聽聽 4 銆佸熀浜庡唴瀹瑰瓨鍌ㄥ拰媯绱㈢殑澶氬獟浣撶郴緇熴?
鐢變簬 MPEG4 鍦ㄥ帇緙╂柟娉曚笂榪滆繙浼樹簬 MPEG1 鎶鏈紝鏇存槸 MJPEG 鎶鏈墍涓嶈兘姣旀嫙鐨勩偮犅?緇忚繃涓撳鐨勬祴璇曡〃鏄庯紝鍦ㄧ浉鍚屾竻鏅板害瀵瑰簲 MPEG1 錛?500Kbits/sec 錛夌爜嫻佹儏鍐典笅錛屄?MPEG4 姣?MPEG1 鑺傜渷浜?2/3 鐨勭‖鐩樼┖闂達紝鍦ㄤ竴鑸椿鍔ㄥ満鏅笅涔熻妭鐪佽繎涓鑸殑瀹歸噺銆傚洜姝ゆ棤璁烘槸浠庡唴瀹瑰瓨鍌ㄩ噺錛岃繕鏄粠澶氬獟浣撴枃浠剁殑媯绱㈤熷害鏉ヨ錛?MPEG4 鎶鏈兘鏄濯掍綋緋葷粺搴旂敤鐨勪笉浜屼箣閫夈?
聽聽聽
聽聽聽 5 銆佺‖浠朵駭鍝佷笂闈㈢殑搴旂敤
鐩墠錛?MPEG4 鎶鏈湪紜歡浜у搧涓婁篃宸插紑濮嬮愭寰楀埌搴旂敤銆傜壒鍒槸鍦ㄨ棰戠洃鎺с佹挱鏀句笂錛岃繖欏歸珮娓呮櫚搴︼紝楂樺帇緙╃殑鎶鏈緱鍒頒簡浼楀紜歡鍘傚晢鐨勯挓鐖憋紝鑰屽競鍦轟笂鏀寔 MPEG4 鎶鏈殑浜у搧涔熸槸縐嶇被綣佸銆備笅闈㈢瑪鑰呭氨鍒椾婦涓浜涗唬琛ㄦх殑浜у搧錛屾棬鍦ㄨ璇昏呬簡瑙?MPEG4 鎶鏈湪浠婂ぉ搴旂敤鑼冨洿涔嬪箍銆?
聽聽聽 錛?1 錛夈佹憚鍍忔満錛氭棩鏈鏅叕鍙告帹鍑鴻繃搴旂敤鍦ㄤ簰鑱旂綉涓婄殑鏁板瓧鎽勫儚鏈?VN 錛?EZ1 銆傝繖鍙扮綉緇滄憚鍍忔満鍒╃敤 MPEG4 鏍煎紡錛屽彲鎶婂獎鍍忔枃浠跺帇緙╀負 ASF 錛堥珮綰ф祦鏍煎紡錛夛紝鐢ㄦ埛鍙鍒╃敤寰蔣鍏徃鐨?MediaPlayer 鎾斁紼嬪簭錛屽氨鍙互鐩存帴鍦ㄧ數鑴戜笂榪涜鎾斁銆?
聽聽聽 錛?2 錛夈佹挱鏀炬満錛氶鍒╂鄲鍏徃浜庝粖騫村叓鏈堜喚鎺ㄥ嚭浜嗕竴嬈炬敮鎸?DivX 鐨?DVD 鎾斁鏈?DVD737 銆傚畠鍙互鏀寔 DivX 3.11 銆?4.xx 銆?5.xx 絳?MPEG4 鏍囧噯錛岃屽浜庢柊鏍囧噯鐨勬敮鎸佸垯鍙互閫氳繃鍗囩駭鍥轟歡鏉ュ疄鐜般?
聽聽聽 錛?3 錛夈佹暟鐮佺浉鏈猴細鏃ユ湰浜摲鍏徃鍦?11 鏈堜腑鏃彂鍞叾鏈鏂版鏁扮爜鐩告満 Finecam L30 錛岃繖嬈炬槸閲囩敤 300 涓囧儚绱犮?3 鍊嶅厜瀛﹀彉鐒﹁璁$殑鏁扮爜鐩告満浜у搧錛屄?L30 閲囩敤浜?MPEG4 鏍煎紡鍔ㄦ佽棰戝綍鍒訛紝鍙互璁╁姩鎬佽棰戝綍鍒剁敾闈㈡晥鏋滄瘮浼犵粺鏁扮爜鐩告満鏇村嚭鑹層?
聽聽聽 錛?4 錛夈佹墜鏈猴細鍦ㄦ墜鏈洪鍩燂紝 MPEG4 鎶鏈洿鏄緱鍒頒簡騫挎硾鐨勫簲鐢紝鍚勫ぇ鎵嬫満鍘傚晢涔熼兘鎺ㄥ嚭浜嗗彲鎷嶆憚 MPEG4 鍔ㄦ佽棰戠殑鎵嬫満鍨嬪彿錛屽瑗塊棬瀛?ST55 銆佺儲灝肩埍绔嬩俊 P900/P908 銆?LG聽 褰╁睆 G8000 絳夈?
聽聽聽 (5) 銆?MPEG4 鏁板瓧紜洏錛氬湪浠婂勾娣卞湷涓捐鐨勫畨闃插睍瑙堜細涓婏紝寮鍙戞暟瀛楀綍鍍忕洃鎺т駭鍝佺殑鍘傚綰風悍鎺ㄥ嚭浜嗕粬浠殑鏈鏂頒駭鍝侊紝鑰屾敮鎸?MPEG4 鐨?DVR 鍘嬬緝鎶鏈篃鎴愪負鏀瑰睍浼氫笂鐨勪寒鐐廣?
濡傚寳浜崕闈掔傳鍗氱鎶鎺ㄥ嚭鐨?"E 鐪肩 MPEG4 鏁板瓧瑙嗛鐜?" 渚挎槸涓嬈懼熀浜庣綉緇滅幆澧冪殑楂樻竻鏅版暟瀛楀寲鐩戞帶鎶ヨ緋葷粺銆傚唴緗鐢婚潰澶勭悊鍣紝闆嗙幇鍦虹洃鎺с佺洃鍚佸璺悓鏃舵暟瀛楀綍鍍忎笌鍥炴斁絳夊縐嶅姛鑳戒負涓浣撱?
聽聽聽聽 鍏跺疄錛屽競鍦轟笂榪樻湁璁稿鍩轟簬 MPEG4 鎶鏈殑紜歡浜у搧錛岀瑪鑰呰繖閲屽氨涓嶄竴涓鍒椾婦浜嗭紝涓嶈繃絎旇呯浉淇★紝闅忕潃瑙嗛鍘嬬緝鎶鏈殑涓嶆柇鍙戝睍錛?MPEG4 鎶鏈殑浜у搧浼氳秺鏉ヨ秺澶氱殑鍑虹幇鍦ㄦ垜浠敓媧伙紝宸ヤ綔涓?