mp4是什么很多人对这个问题比较感兴趣，下面让我们一起来看mp4涔，希望可以帮助到你。
mp4???涔?????
mp4?????????mp4??浠舵?煎?????mp4???惧?ㄣ??
涓???mp4??浠舵?煎?
1??mp4??浠舵?煎?锛????濂??ㄤ??抽???瑙?棰?淇℃??????缂╃???????锛??卞?介????????缁?缁?锛?ISO锛????介???靛伐濮???浼?锛?IEC锛?涓?灞??????ㄦ???惧??涓?瀹剁????跺???绗??????998骞?0????杩?锛?绗??????999骞?2????杩???MPEG-4?煎???涓昏??ㄩ???ㄤ?缃?涓?娴?????????璇??冲????锛?瑙?棰??佃?锛?锛?浠ュ???佃?骞挎????
2??MPEG-4?????MPEG-1??MPEG-2??缁?澶ч?ㄤ唤???藉???朵??煎????垮?锛?骞跺???ュ???╁??瀵硅?????板?妯″??璇??锛?VRML 锛? VirtualReality Modeling Language锛???????锛??㈠??瀵硅薄??????妗ｆ?锛??????虫??锛?瑙?璁???VRML瀵硅薄锛?锛?浠ュ???板?????绠＄??锛?DRM锛????朵?浜??ㄥ???姐????MPEG-4姣?MPEG-2?村??杩????朵腑涓?涓??圭?癸?灏辨?????浣跨?ㄥ??哄????褰卞??????锛?????互褰卞??涓?涓??涓哄????璁板?锛???姝ゅ敖绠″奖????????搴﹀?蹇???????涓?瓒虫?讹?涔?涓?浼??虹?版?瑰???婚?€??
浜???mp4???惧??/p>
1??mp4???惧??????绉????抽???瑙?棰????剧??娴?瑙????靛?涔︺???堕?虫?虹?浜?涓?浣???澶????芥???惧??????涓??藉?????PEG-4??浠剁??璁惧?锛?涔???互????PVP锛?涓?汉瑙?棰????惧?????PMP锛?渚挎?哄?濯?浣????惧?????PIA锛?涓?汉?惧???╂??锛???
2??MP4???惧?ㄥ??互??杩?USB??1394绔??ｄ?杈???浠讹?寰??逛究?板?瑙?棰???浠朵?杞藉?拌?澶?涓??琛????撅?浠ユ弧瓒抽???舵???捐?棰?????瑕???
mp4???涔?
MP4???濂??ㄤ??抽???瑙?棰?淇℃??????缂╃???????锛??卞?介????????缁?缁?锛?ISO锛????介???靛伐濮???浼?锛?IEC锛?涓?灞??????ㄦ???惧??涓?瀹剁???锛?Moving Picture Experts Group锛???PEG锛??跺???
绗??????998骞?0????杩?锛?绗??????999骞?2????杩???MPEG-4?煎???涓昏??ㄩ???ㄤ?缃?涓?娴?????????璇??冲????锛?瑙?棰??佃?锛?锛?浠ュ???佃?骞挎????
mp4???ㄩ??锛?
瀹??藉??存?ユ???鹃???璐ㄨ?棰????抽?锛?涔???互娴?瑙??剧??浠ュ??浣?涓虹Щ?ㄧ‖?????板??惰?浣跨????存??浜у??杩??峰?涓?浜??????伴???瀹??ㄧ?????斤?渚?濡??卞???AV420?藉?褰??惰?棰?锛?瀹???互灏??ヨ??VD???佃?绛?璁惧???淇″?蜂互MPEG-4?煎?淇?瀛??ㄧ‖??涓???
??涓??板?ㄥぇ瀹舵??瑙?????P4???惧???澶у??伴?藉甫??瑙?棰?杞??剁?涓?涓???瑙?棰????斤?骞跺?峰???甯搁??ㄧ??瑙?棰?杈???杈??虹??ｏ???姝ゅ?浠??哄甫??瑙?棰???浠惰?藉??ㄥ?澶??哄??涓????撅?灏界?杩?瀵逛?浜?浠??ㄦ??琛???涓?娇?ㄦ???惧?ㄧ???ㄦ?锋病???村???瀹?????涔?锛?浣?瀵逛?涓?浜?缁?甯稿??瑙?棰?婕?绀虹???ㄦ?峰?????????ㄣ??
??涓?P4???惧?ㄨ?藉??逛究?版?ラ┏??褰辨?轰互???佃?绛?杈??鸿?澶???浠?涓?汉浣跨?ㄧ??瑙?搴︽?ョ??锛?MP4???惧?ㄧ????澶т??垮?ㄤ?浣?绉??宸э??哄甫?逛究锛??藉????躲????韬????捐?棰???
mp4???涔?涓?瑗?/h1> ???ョ?棣?椤?/a>?ㄦ??span class="new-icon">璁よ??ㄦ??/a>瑙?棰?浣???甯?府??/a>璁よ??㈤????浼?浜?img class="triangle_icon" src="https://iknow-zhidao.bdimg.com/static/common-new/widget/menu/img/triangle.47e7008.svg" alt="">浼?涓?濯?浣??垮??朵?缁?缁?????娉?寰????虹?棰??????惧害?ラ??> ????绫?/nav>mp4???涔?涓?瑗?/span>
???绉????抽???瑙?棰????剧??娴?瑙????靛?涔︺???堕?虫?虹?浜?涓?浣???澶????芥???惧?ㄣ??
?规???ヨ??惧害???叉?剧ず锛?MP4???惧??????绉????抽???瑙?棰????剧??娴?瑙????靛?涔︺???堕?虫?虹?浜?涓?浣???澶????芥???惧?ㄣ?????涓??藉?????PEG-4??浠剁??璁惧?锛?瀹???互????PVP??锛?PersonalVideoPlayer锛?涓?汉瑙?棰????惧???锛???互????PMP锛?PortableMediaPlayer锛?渚挎?哄?濯?浣????惧???锛?涔???互????PIA??(PersonalImagineAssitant涓?汉?惧???╂??)??
MP4???惧?ㄦ???╃?ㄦ?板?淇″?峰?????SP?ュ???澶???浼?杈???瑙ｇ??MP4??浠剁??浠诲?＄????DSP??绠￠??韬??????版???杈?锛?璁惧??ュ?ｆ?у?讹???浠惰В?????剧?娲诲?ㄣ??DSP?藉??ㄩ??甯哥?????堕?撮??瀹???澶?绉?澶???浠诲?★???涓?姝よ?绋???娑??????介????灏?锛?杩?涔????????浜?渚挎?哄????惧?ㄧ??涓?涓??捐???圭?癸???
MP4?板?浠?涔?????
绌剁?浠?涔???P4???灏卞??浜轰滑??MP3??韬????绉颁负MP3 涓??凤?MP4渚挎?哄?瑙?棰????惧?ㄤ????疯?绠?绉颁负MP4??褰??讹?涔?灏卞??MP3骞朵???PEG3?ｆ?凤?MP4涔?涓???PEG4锛?瀹?浠??????ㄧ????绉颁???韩??搴?灞???????ㄦ病???存?ュ?崇郴锛?MP4??姒?蹇靛???涓?宸茶?????寤朵几??
MP4姒?蹇垫??澶?涔???涓ょ?姒?蹇碉?涓?绉?????缁?P3涔??????充??煎?锛?浠???????㈣?锛?MP4浣跨??PEG-2 AAC?????涔?灏辨???绉颁负A2B??AAC????????瀹????圭?规???宠川?村??瀹?缇?????缂╂??村ぇ(15:1-20:1)??瀹?澧???浜?璇稿?瀵圭?浣?澹扮??瀹?缇????般??姣??规??????虫??????澶?濯?浣??у?躲???????MP3娌℃?????规?э?浣垮??ㄩ?抽???缂╁??浠??藉?缇???????D???宠川??
?﹀?涓?绉?????????MPEG-4杩?绉?瑙?棰??煎???渚挎?哄????惧?????浠????ョ????浠?涔???P4??MP4锛?涔???PEG-4锛???PEG?煎???涓?绉?锛???椿?ㄥ?惧????涓?绉???缂╂?瑰?????杩?杩?绉???缂╋???互浣跨?ㄨ?灏?????浠舵??渚?杈?楂????惧??璐ㄩ??锛?????????娴?琛?锛?灏ゅ?跺?ㄧ?缁?涓????瑙?棰???浠舵?煎?涔?涓???杩?绉??煎???濂藉????涓?浠??????浣?棰?甯︼?涔???楂?棰?甯﹀??灞???MP4浠??舵???轰??ヨ捣灏卞?璧蜂?浜轰滑??骞挎??虫敞锛?????MP4??娴?琛?浣跨?ㄧ????缂╂?瑰?涓?ivX??XviD??缁?杩?浠?ivX????XviD涓轰唬琛ㄧ??MP4???????杩???DVD??????惧????瑙?棰????抽?璐ㄩ??涓???涓?澶э?浣?浣?绉??寸缉灏??板???ョ??????涔?涓?锛???互寰??逛究?扮?ㄤ袱寮?650MB瀹归????????CD-ROM?ヤ?瀛?????????浠躲???ㄤ?寮???灏卞??互瀹圭撼涓??鹃?跺????????涓??ㄧ?靛奖锛???姝ゆ?剁???婚?㈣川?????句?浜?VCD??
MP4锛?纭??璇寸??璇?锛?瀹??????绉???缂╂????锛?灏卞ソ璞?CD ???轰?MP2??锛?
MP3濂借薄???藉??缂╅?抽?锛?MP4?抽???瑙?棰??藉??互??缂╃??锛?骞虫?剁?佃??涓???浜?
??瑕?瀹?瑁?浠?涔???浠讹?DIVX??FFDSHOW锛?涔?绫荤?????界?????靛奖锛?
灏辨????P4??缂╃????
????璧???锛?http://iknow.baidu.com/q?ct=20&qid=21304&tn=ikqb&rn=25&mrn=3