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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(四)&nbsp;<br>发信站:&nbsp;饮水思源站&nbsp;(Mon&nbsp;Jun&nbsp;&nbsp;7&nbsp;17:43:51&nbsp;1999)&nbsp;,&nbsp;站内信件<br>&nbsp;&nbsp;----&nbsp;问：&nbsp;多&nbsp;媒&nbsp;体&nbsp;数&nbsp;据&nbsp;压&nbsp;缩&nbsp;技&nbsp;术&nbsp;的&nbsp;发&nbsp;展&nbsp;趋&nbsp;势&nbsp;有&nbsp;哪&nbsp;些&nbsp;？&nbsp;未&nbsp;来<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;将&nbsp;重&nbsp;点&nbsp;解&nbsp;决&nbsp;哪&nbsp;些&nbsp;方&nbsp;面&nbsp;的&nbsp;问&nbsp;题&nbsp;？&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;答：&nbsp;未&nbsp;来&nbsp;多&nbsp;媒&nbsp;体&nbsp;数&nbsp;据&nbsp;压&nbsp;缩&nbsp;技&nbsp;术&nbsp;的&nbsp;发&nbsp;展&nbsp;趋&nbsp;势&nbsp;将&nbsp;是&nbsp;基&nbsp;于<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;内&nbsp;容&nbsp;的&nbsp;压&nbsp;缩。&nbsp;这&nbsp;实&nbsp;际&nbsp;上&nbsp;是&nbsp;信&nbsp;息&nbsp;处&nbsp;理&nbsp;的&nbsp;更&nbsp;高&nbsp;阶&nbsp;段，&nbsp;更&nbsp;加&nbsp;向<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;人&nbsp;自&nbsp;身&nbsp;的&nbsp;信&nbsp;息&nbsp;处&nbsp;理&nbsp;方&nbsp;式&nbsp;靠&nbsp;近。&nbsp;人&nbsp;的&nbsp;信&nbsp;息&nbsp;处&nbsp;理&nbsp;并&nbsp;不&nbsp;是&nbsp;基&nbsp;于&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;信&nbsp;号&nbsp;的，&nbsp;而&nbsp;是&nbsp;基&nbsp;于&nbsp;一&nbsp;个&nbsp;比&nbsp;较&nbsp;抽&nbsp;象&nbsp;的、&nbsp;能&nbsp;够&nbsp;直&nbsp;接&nbsp;进&nbsp;行&nbsp;记&nbsp;忆、<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;进&nbsp;行&nbsp;处&nbsp;理&nbsp;的&nbsp;内&nbsp;容。&nbsp;如&nbsp;果&nbsp;多&nbsp;媒&nbsp;体&nbsp;数&nbsp;据&nbsp;也&nbsp;能&nbsp;做&nbsp;到&nbsp;基&nbsp;于&nbsp;内&nbsp;容<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;的&nbsp;处&nbsp;理、&nbsp;压&nbsp;缩、&nbsp;存&nbsp;储&nbsp;和&nbsp;传&nbsp;输，&nbsp;人&nbsp;使&nbsp;用&nbsp;起&nbsp;来&nbsp;就&nbsp;更&nbsp;具&nbsp;亲&nbsp;和&nbsp;力<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;，&nbsp;也&nbsp;就&nbsp;更&nbsp;简&nbsp;单&nbsp;方&nbsp;便&nbsp;了。&nbsp;<br><br>&nbsp;&nbsp;<br>&nbsp;&nbsp;----&nbsp;但&nbsp;是&nbsp;一&nbsp;涉&nbsp;及&nbsp;到&nbsp;基&nbsp;于&nbsp;内&nbsp;容&nbsp;的&nbsp;目&nbsp;标，&nbsp;就&nbsp;会&nbsp;遇&nbsp;到&nbsp;很&nbsp;多&nbsp;的&nbsp;困<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;难。&nbsp;最&nbsp;恰&nbsp;当&nbsp;的&nbsp;方&nbsp;法&nbsp;是&nbsp;从&nbsp;很&nbsp;小&nbsp;的&nbsp;一&nbsp;个&nbsp;领&nbsp;域&nbsp;做&nbsp;起，&nbsp;如&nbsp;从&nbsp;视&nbsp;频<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;会&nbsp;议&nbsp;做&nbsp;起，&nbsp;将&nbsp;处&nbsp;理&nbsp;问&nbsp;题&nbsp;的&nbsp;领&nbsp;域&nbsp;界&nbsp;定&nbsp;到&nbsp;我&nbsp;们&nbsp;能&nbsp;够&nbsp;处&nbsp;理&nbsp;的&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;领&nbsp;域&nbsp;中，&nbsp;选&nbsp;择&nbsp;一&nbsp;些&nbsp;背&nbsp;景&nbsp;比&nbsp;较&nbsp;固&nbsp;定&nbsp;或&nbsp;者&nbsp;是&nbsp;应&nbsp;用&nbsp;背&nbsp;景&nbsp;比&nbsp;较&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;明&nbsp;确&nbsp;的&nbsp;领&nbsp;域&nbsp;来&nbsp;进&nbsp;行&nbsp;处&nbsp;理。&nbsp;其&nbsp;次，&nbsp;我&nbsp;们&nbsp;还&nbsp;需&nbsp;要&nbsp;积&nbsp;极&nbsp;地&nbsp;参&nbsp;与<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;到&nbsp;国&nbsp;际&nbsp;标&nbsp;准&nbsp;的&nbsp;制&nbsp;定&nbsp;过&nbsp;程&nbsp;中&nbsp;去，&nbsp;做&nbsp;大&nbsp;量&nbsp;的&nbsp;工&nbsp;作。&nbsp;新&nbsp;的&nbsp;标&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;准&nbsp;和&nbsp;算&nbsp;法&nbsp;一&nbsp;出&nbsp;台，&nbsp;就&nbsp;需&nbsp;要&nbsp;配&nbsp;合&nbsp;大&nbsp;量&nbsp;的&nbsp;工&nbsp;具，&nbsp;其&nbsp;中&nbsp;包&nbsp;括&nbsp;预<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;处&nbsp;理&nbsp;方&nbsp;面&nbsp;的&nbsp;工&nbsp;具，&nbsp;以&nbsp;及&nbsp;各&nbsp;种&nbsp;各&nbsp;样&nbsp;的&nbsp;编&nbsp;辑&nbsp;工&nbsp;具&nbsp;等&nbsp;等。&nbsp;在<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;这&nbsp;一&nbsp;方&nbsp;面，&nbsp;大&nbsp;家&nbsp;都&nbsp;是&nbsp;处&nbsp;于&nbsp;同&nbsp;一&nbsp;条&nbsp;起&nbsp;跑&nbsp;线&nbsp;上。&nbsp;如&nbsp;果&nbsp;谁&nbsp;提&nbsp;<br>&nbsp;&nbsp;<br>&nbsp;&nbsp;前&nbsp;开&nbsp;发&nbsp;出&nbsp;来&nbsp;并&nbsp;将&nbsp;之&nbsp;商&nbsp;用&nbsp;化，&nbsp;谁&nbsp;就&nbsp;可&nbsp;能&nbsp;抓&nbsp;住&nbsp;了&nbsp;市&nbsp;场&nbsp;先&nbsp;机。&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 align=bottom><hr><table align=center cellspacing=1 class=foot><tr><td class=foot><a href="a-3.htm">返回</tr></table><p class=copyr align=center>Copyright &copy; 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