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<html><head><title>饮水思源精华区</title><Content-type: text/html; charset=gb2312><link rel=stylesheet type=text/css href="bbsdl.css"></head><table cellspacing=0 class=title width=90%><th class=title align=left width=20%>饮水思源站</th><th class=title align=center width=60%>文章阅读</th><th class=title align=right width=20%>精华区离线浏览</th></tr></table><hr><table align=center cellspacing=1 class=doc><tr><td>发信人:&nbsp;fangf&nbsp;(方方),&nbsp;信区:&nbsp;DSP<br>标&nbsp;&nbsp;题:&nbsp;收放自如的动感-多媒体数据压缩技术问答(五)&nbsp;<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;17:44:28&nbsp;1999)&nbsp;,&nbsp;站内信件<br>&nbsp;&nbsp;----&nbsp;问:&nbsp;在&nbsp;多&nbsp;媒&nbsp;体&nbsp;数&nbsp;据&nbsp;压&nbsp;缩&nbsp;方&nbsp;面,&nbsp;我&nbsp;国&nbsp;的&nbsp;进&nbsp;展&nbsp;水&nbsp;平&nbsp;如&nbsp;何&nbsp;?&nbsp;又<br>&nbsp;做&nbsp;了&nbsp;哪&nbsp;些&nbsp;方&nbsp;面&nbsp;的&nbsp;工&nbsp;作&nbsp;?&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;答:&nbsp;坦&nbsp;白&nbsp;地&nbsp;说,&nbsp;在&nbsp;压&nbsp;缩&nbsp;标&nbsp;准&nbsp;的&nbsp;制&nbsp;定&nbsp;方&nbsp;面,&nbsp;国&nbsp;内&nbsp;专&nbsp;家&nbsp;只<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;是&nbsp;以&nbsp;听&nbsp;取&nbsp;别&nbsp;人&nbsp;的&nbsp;提&nbsp;案&nbsp;或&nbsp;发&nbsp;表&nbsp;意&nbsp;见&nbsp;的&nbsp;时&nbsp;候&nbsp;居&nbsp;多,&nbsp;到&nbsp;目&nbsp;前&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;为&nbsp;止&nbsp;没&nbsp;有&nbsp;真&nbsp;正&nbsp;地&nbsp;提&nbsp;交&nbsp;一&nbsp;个&nbsp;自&nbsp;己&nbsp;的&nbsp;多&nbsp;媒&nbsp;体&nbsp;数&nbsp;据&nbsp;压&nbsp;缩&nbsp;标&nbsp;准&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;的&nbsp;提&nbsp;案。&nbsp;要&nbsp;做&nbsp;到&nbsp;这&nbsp;一&nbsp;点,&nbsp;一&nbsp;方&nbsp;面&nbsp;要&nbsp;求&nbsp;国&nbsp;家&nbsp;对&nbsp;这&nbsp;一&nbsp;领&nbsp;域&nbsp;给<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;予&nbsp;充&nbsp;分&nbsp;的&nbsp;重&nbsp;视&nbsp;和&nbsp;支&nbsp;持,&nbsp;另&nbsp;一&nbsp;方&nbsp;面&nbsp;也&nbsp;需&nbsp;要&nbsp;得&nbsp;到&nbsp;国&nbsp;内&nbsp;企&nbsp;业<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;的&nbsp;参&nbsp;与&nbsp;和&nbsp;配&nbsp;合。&nbsp;例&nbsp;如&nbsp;在&nbsp;美&nbsp;国&nbsp;和&nbsp;日&nbsp;本,&nbsp;真&nbsp;正&nbsp;参&nbsp;与&nbsp;这&nbsp;项&nbsp;工&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;作&nbsp;的&nbsp;除&nbsp;了&nbsp;学&nbsp;术&nbsp;界&nbsp;的&nbsp;专&nbsp;家&nbsp;学&nbsp;者&nbsp;之&nbsp;外,&nbsp;还&nbsp;有&nbsp;很&nbsp;大&nbsp;一&nbsp;部&nbsp;分&nbsp;是&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;企&nbsp;业&nbsp;的&nbsp;研&nbsp;究&nbsp;人&nbsp;员。&nbsp;他&nbsp;们&nbsp;深&nbsp;知&nbsp;这&nbsp;一&nbsp;领&nbsp;域&nbsp;的&nbsp;研&nbsp;究&nbsp;直&nbsp;接&nbsp;关&nbsp;系&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;到&nbsp;企&nbsp;业&nbsp;的&nbsp;自&nbsp;身&nbsp;利&nbsp;益。&nbsp;如&nbsp;果&nbsp;标&nbsp;准&nbsp;和&nbsp;算&nbsp;法&nbsp;制&nbsp;定&nbsp;出&nbsp;来&nbsp;后,&nbsp;企&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;业&nbsp;可&nbsp;以&nbsp;直&nbsp;接&nbsp;地、&nbsp;比&nbsp;别&nbsp;人&nbsp;更&nbsp;早&nbsp;地&nbsp;掌&nbsp;握&nbsp;这&nbsp;些&nbsp;技&nbsp;术,&nbsp;其&nbsp;产&nbsp;品&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;也&nbsp;就&nbsp;更&nbsp;具&nbsp;竞&nbsp;争&nbsp;实&nbsp;力。&nbsp;同&nbsp;时&nbsp;由&nbsp;于&nbsp;企&nbsp;业&nbsp;的&nbsp;介&nbsp;入,&nbsp;可&nbsp;以&nbsp;投&nbsp;入&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;很&nbsp;多&nbsp;资&nbsp;金&nbsp;用&nbsp;于&nbsp;做&nbsp;基&nbsp;础&nbsp;研&nbsp;究。&nbsp;在&nbsp;这&nbsp;一&nbsp;方&nbsp;面&nbsp;仅&nbsp;凭&nbsp;国&nbsp;家&nbsp;的&nbsp;支<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;持&nbsp;肯&nbsp;定&nbsp;是&nbsp;不&nbsp;行&nbsp;的,&nbsp;最&nbsp;后&nbsp;有&nbsp;很&nbsp;多&nbsp;事&nbsp;情&nbsp;都&nbsp;要&nbsp;求&nbsp;落&nbsp;实&nbsp;到&nbsp;企&nbsp;业<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;行&nbsp;为&nbsp;上。&nbsp;而&nbsp;这&nbsp;一&nbsp;点&nbsp;正&nbsp;是&nbsp;我&nbsp;们&nbsp;国&nbsp;家&nbsp;的&nbsp;弱&nbsp;项,&nbsp;在&nbsp;国&nbsp;内&nbsp;不&nbsp;管&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;是&nbsp;标&nbsp;准&nbsp;的&nbsp;制&nbsp;定&nbsp;和&nbsp;推&nbsp;广,&nbsp;企&nbsp;业&nbsp;都&nbsp;介&nbsp;入&nbsp;得&nbsp;太&nbsp;少,&nbsp;基&nbsp;本&nbsp;上&nbsp;全&nbsp;是<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;由&nbsp;学&nbsp;术&nbsp;圈&nbsp;的&nbsp;人&nbsp;在&nbsp;做&nbsp;这&nbsp;项&nbsp;工&nbsp;作。&nbsp;例&nbsp;如,&nbsp;目&nbsp;前&nbsp;我&nbsp;国&nbsp;参&nbsp;加&nbsp;国&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;际&nbsp;标&nbsp;准&nbsp;化&nbsp;组&nbsp;织&nbsp;多&nbsp;媒&nbsp;体&nbsp;分&nbsp;委&nbsp;员&nbsp;会&nbsp;会&nbsp;议&nbsp;的&nbsp;主&nbsp;要&nbsp;代&nbsp;表&nbsp;是&nbsp;李&nbsp;智<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;渊&nbsp;教&nbsp;授,&nbsp;而&nbsp;固&nbsp;定&nbsp;参&nbsp;加MPEG&nbsp;专&nbsp;家&nbsp;组&nbsp;会&nbsp;议&nbsp;的&nbsp;只&nbsp;有&nbsp;我&nbsp;一&nbsp;人。&nbsp;反<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;观&nbsp;日&nbsp;本&nbsp;代&nbsp;表&nbsp;团,&nbsp;他&nbsp;们&nbsp;每&nbsp;次&nbsp;都&nbsp;有40&nbsp;~50&nbsp;位&nbsp;代&nbsp;表&nbsp;参&nbsp;加&nbsp;会&nbsp;议。<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;即&nbsp;使&nbsp;是&nbsp;韩&nbsp;国,&nbsp;每&nbsp;次&nbsp;也&nbsp;有&nbsp;近20&nbsp;人&nbsp;的&nbsp;代&nbsp;表&nbsp;团&nbsp;参&nbsp;加。&nbsp;中&nbsp;国&nbsp;的&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;企&nbsp;业&nbsp;起&nbsp;步&nbsp;较&nbsp;晚,&nbsp;不&nbsp;像&nbsp;国&nbsp;外&nbsp;数&nbsp;十&nbsp;年&nbsp;的&nbsp;大&nbsp;企&nbsp;业&nbsp;对&nbsp;很&nbsp;多&nbsp;问&nbsp;题<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;都&nbsp;有&nbsp;充&nbsp;分&nbsp;的&nbsp;认&nbsp;识。&nbsp;现&nbsp;在&nbsp;国&nbsp;内&nbsp;的&nbsp;很&nbsp;多&nbsp;企&nbsp;业&nbsp;可&nbsp;以&nbsp;说&nbsp;是&nbsp;已&nbsp;经<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;走&nbsp;过&nbsp;了&nbsp;资&nbsp;本&nbsp;的&nbsp;原&nbsp;始&nbsp;积&nbsp;累&nbsp;阶&nbsp;段,&nbsp;在&nbsp;这&nbsp;一&nbsp;方&nbsp;面&nbsp;应&nbsp;该&nbsp;是&nbsp;有&nbsp;所<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;侧&nbsp;重&nbsp;的&nbsp;时&nbsp;候&nbsp;了。&nbsp;所&nbsp;以&nbsp;我&nbsp;认&nbsp;为,&nbsp;这&nbsp;将&nbsp;是&nbsp;我&nbsp;们&nbsp;在&nbsp;近&nbsp;一&nbsp;两&nbsp;年&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;内&nbsp;应&nbsp;该&nbsp;大&nbsp;力&nbsp;呼&nbsp;吁&nbsp;的&nbsp;事&nbsp;情。&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;<br>--<br>-----------------------------------------------<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;因一个词的力量<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我重新开始生活<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;我生来就认识你<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;要把你称作<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;自由<br><br>※&nbsp;来源:·饮水思源站&nbsp;bbs.sjtu.edu.cn·[FROM:&nbsp;202.120.8.3]<br></tr></table><br><caption 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