电子信息工程专业外语2

InternetandMultimedia因特网和多媒体电子信息工程专业外语21NewWordsExtravaganza发狂言行，异乎寻常Advent到来Phenomenal显著的，异常的WallStreetJournal华尔街日报Mosaic马赛克，拼图Browser浏览器Bottleneck瓶颈Frustrating令人沮丧的Animation动画Narration叙述，解说Interminable无限的，冗长的telnet远程登录Mainframe大型计算机Prompt提示，激励Navigate航行Contend斗争，争辩Legion军团，众多的人Marvel奇异之事Virtual虚拟的，实际的Doughnut油炸圆饼12NewWordsCyberspace网上空间Wee微小的Interactivity交互性Livemultimedia现场(实时)多媒体Fabricate制造，伪造Embrace拥抱，包含Boardroom会议室Hype广告，人为刺激Recipient接收者Chew咀嚼Liveconcert实况音乐会Lenditselfto…有助于，适合于Megaphone扩音器Irrevocable不可变更的Blending混合，混合物2MultimediaOnceuponatime,thewordsInternetandmultimediawererarelymentionedinthesamesentence.AlthoughyoucoulddownloadGIFimagesorsoundfilesfromanandthenvieworlistentothemonyourPC,theInternetexperienceitselfwasfarfromamultimediaextravaganza.3电子信息工程专业外语2MultimediaOnceuponatime,thewordsInternetandmultimediawererarelymentionedinthesamesentence.AlthoughyoucoulddownloadGIFimagesorsoundfilesfromanandthenvieworlistentothemonyourPC,theInternetexperienceitselfwasfarfromamultimediaextravaganza.从前，“英特网”和“多媒体”两个单词很少出现在一句话中。虽然可以从FTP站点上下载GIF图片或声音文件在PC上观看或收听，但是这样的英特网体验离多媒体异乎寻常的娱乐表现还很远。电子信息工程专业外语2MultimediaIndeed,untiltheadventofthephenomenalpopularityoftheWorldWideWeb,accessingtheInternetwaslikereadingthefromoftheWallStreetJournal:lotsofgoodinformation,butgray,withoutpictures,anddullontheeyes.电子信息工程专业外语2MultimediaIndeed,untiltheadventofthephenomenalpopularityoftheWorldWideWeb,accessingtheInternetwaslikereadingthefromoftheWallStreetJournal:lotsofgoodinformation,butgray,withoutpictures,anddullontheeyes.在万维网惊人的流行出现之前，访问英特网就好像是在阅读《华尔街日报》的头版一样：虽然可以获得很多有用的信息，但是形式很苍白，没有图片，单调得无法吸引人的眼球。电子信息工程专业外语2MultimediaIn1993,acomputerprogramcalledMosaicchangedallthat.Mosaicisabrowser–aprogramthatallowsuserstousetheInternet’sWorldWideWeb.Forthefirsttime,truemultimedia–themixingofvariousmediasuchastext,images,sounds,andmovies–cametotheInternet.7电子信息工程专业外语2MultimediaIn1993,acomputerprogramcalledMosaicchangedallthat.Mosaicisabrowser–aprogramthatallowsuserstousetheInternet’sWorldWideWeb.Forthefirsttime,truemultimedia–themixingofvariousmediasuchastext,images,sounds,andmovies–cametotheInternet.1993年，一个叫Mosaic的计算机程序改变了这一切。Mosaic是一个浏览器——允许用户使用英特网的程序。真正的多媒体（包括文字、图片、声音和电影的各种媒体的混合）第一次进入英特网。电子信息工程专业外语2MultimediaToday,notonlycanyoudownloadthosesortsoffiles,butyoucanalsoexperiencethemwhileyouareonline.Youcanalsopresentyourinformation,completewithmixedmedia,onyourownWebpage.9电子信息工程专业外语2MultimediaToday,notonlycanyoudownloadthosesortsoffiles,butyoucanalsoexperiencethemwhileyouareonline.Youcanalsopresentyourinformation,completewithmixedmedia,onyourownWebpage.今天你不但可以下载那些类型的文件，还可以在线体验。你也可以在自己的网页上发布你的信息，包括混合的媒体。电子信息工程专业外语2MultimediaTheWorldWideWebcontinuestogrowinpopularity,butmostofushavelimitedbandwidthresourceswhileintheworldoffullmultimediawe’regoingtoneedmuchfasteraccess.Atspeedslike28.8kbps,videooraudiofilesmorethanafewminuteslongcantakealongtimetotransfertoaPC,soifyou’rewaitingtoseeGonewiththeWindorhearWagner’sentireRing

Cycle,forgetit,Userswillgettiredofwaitingforthingstodownload.11电子信息工程专业外语2MultimediaTheWorldWideWebcontinuestogrowinpopularity,butmostofushavelimitedbandwidthresourceswhileintheworldoffullmultimediawe’regoingtoneedmuchfasteraccess.Atspeedslike28.8kbps,videooraudiofilesmorethanafewminuteslongcantakealongtimetotransfertoaPC,soifyou’rewaitingtoseeGonewiththeWindorhearWagner’sentireRingCycle,forgetit,Userswillgettiredofwaitingforthingstodownload.互联网不断流行，但我们大多数只有有限的带宽资源，而在真正的多媒体世界里我们需要快得多的接入速度。在28.8kbps的速度下，下载一个几分钟的视频或音频文件需要很长的时间。所以如果你等着看《乱世佳人》或者听Wagner的《指环》，那还是放弃这个念头吧。用户厌倦长时间地等待文件下载。电子信息工程专业外语2MultimediaAsaresultofthisbottleneck,peoplecangetonlytextandgraphicsfilesfromtheWeb.Textandstillimagefilesaregenerallysmall,soyoudon’tneedtowaittoolongtoviewthem,butanyonewhohaswaitedforagraphicallyheavyWebsitewillsoonrealizehowfrustratingthisexperiencecanbe.13电子信息工程专业外语2MultimediaAsaresultofthisbottleneck,peoplecangetonlytextandgraphicsfilesfromtheWeb.Textandstillimagefilesaregenerallysmall,soyoudon’tneedtowaittoolongtoviewthem,butanyonewhohaswaitedforagraphicallyheavyWebsitewillsoonrealizehowfrustratingthisexperiencecanbe.由于这个瓶颈，人们只能从网站上获取文本和图形文件。文本和静止图像一般都比较小，因此你不需要等待太长时间就能看到它们，但是等待满是图片的网站，你很快就会意识到这种经历是多么令人沮丧。电子信息工程专业外语2MultimediaAlthoughaudioandanimationarebothpossibleontheWeb,youneedamuchfasterconnectiontosendandreceivethehugeaudioandvideofilesthatwouldenableyoutotakefulladvantageofInternetmultimedia.15电子信息工程专业外语2MultimediaAlthoughaudioandanimationarebothpossibleontheWeb,youneedamuchfasterconnectiontosendandreceivethehugeaudioandvideofilesthatwouldenableyoutotakefulladvantageofInternetmultimedia.虽然网站上可能有音频和动画，但是需要快得多的连接速度来发送和接受大型的音频和视频文件，让我们能充分利用英特网多媒体。电子信息工程专业外语2MultimediaButbackupasecond.Whatdowemeanbymultimedia?Loosely,multimediaistheblendingtogetherofmorethanonemedium–suchastext,graphics,sound,movies,whatever–onyourcomputer.17电子信息工程专业外语2MultimediaButbackupasecond.Whatdowemeanbymultimedia?Loosely,multimediaistheblendingtogetherofmorethanonemedium–suchastext,graphics,sound,movies,whatever–onyourcomputer.请先稍等一下。我们所说的多媒体究竟是什么呢？不严格地说，多媒体就是多种媒体（比如文本、图形、声音、电影或计算机中的任何东西）的调和。电子信息工程专业外语2MultimediaMultimediahasbeenaroundforyears,ofcourse,throughmoviesandtelevision,butthewordmultimediarefersalmostexclusivelytocomputertechnology.Forexample,thousandsofCD-ROMs,computergames,andeducationalprogramsofferon-screentextcombinedwithvideo,music,andnarration.19电子信息工程专业外语2MultimediaMultimediahasbeenaroundforyears,ofcourse,throughmoviesandtelevision,butthewordmultimediarefersalmostexclusivelytocomputertechnology.Forexample,thousandsofCD-ROMs,computergames,andeducationalprogramsofferon-screentextcombinedwithvideo,music,andnarration.当然，我们通过电影和电视早就和多媒体打交道了，但使用多媒体一词则几乎无例外地是与计算机技术有关的。比如数以千计的CD-ROM、电脑游戏和教育软件都提供了与视频、音乐和解说相结合的在计算机屏幕上看到的文本。电子信息工程专业外语2MultimediaTheInternethasbeenhometomultimediaforyearsandyears.Butbecausegraphics,animation,andsoundfilesaresolarge,oftenseveralmegabytesinsize,theytakeagreatdealoftimetodownload.Forthisreason,theiravailabilitywassharplylimitedforregularuserssomeyearsago.21电子信息工程专业外语2MultimediaTheInternethasbeenhometomultimediaforyearsandyears.Butbecausegraphics,animation,andsoundfilesaresolarge,oftenseveralmegabytesinsize,theytakeagreatdealoftimetodownload.Forthisreason,theiravailabilitywassharplylimitedforregularuserssomeyearsago.多媒体已在英特网上好多年了。但是由于图形，动画和声音文件太大了，往往有几兆，下载这些文件需要耗费大量的时间。因此几年前对于正常的用户来说，多媒体的可利用性被明显地限制了。电子信息工程专业外语2MultimediaTous,truemultimediameans,inpart,beingabletodoallthosethingsthatyoucanalreadydo,butwithouttheinterminablewaiting.Multimediaissupposedtobeaninteractiveendeavor,butforaslowconnection,Internetmultimediaisn’ttrulyinteractive.Truemultimediashoulddeliverinformationfastenoughthatyouwon’thavetimetogoforcoffeewhilealongofvideoprogramistransmittedtoyourcomputer.23电子信息工程专业外语2MultimediaTous,truemultimediameans,inpart,beingabletodoallthosethingsthatyoucanalreadydo,butwithouttheinterminablewaiting.Multimediaissupposedtobeaninteractiveendeavor,butforaslowconnection,Internetmultimediaisn’ttrulyinteractive.Truemultimediashoulddeliverinformationfastenoughthatyouwon’thavetimetogoforcoffeewhilealongofvideoprogramistransmittedtoyourcomputer.对我们来说，真正的多媒体从某种程度上来说就是能够让我们在没有长时间等待的情况下做到我们已经能够做到的一切。多媒体应该成为一个交互式的尝试，但是在低速连接的情况下，英特网多媒体不是真正的交互。真正的多媒体应该以足够快的速度传递信息，在将视频节目传送到你的计算机时不会有时间让你去喝杯咖啡。电子信息工程专业外语2MultimediaTheintertwiningofmultimediaandtheInternetmakessense.Peoplelikemultimediaontheircomputers.It’sengaging,entertaining,andoftenmakesotherwisecomplexcomputersalittleeasiertouse.25电子信息工程专业外语2MultimediaTheintertwiningofmultimediaandtheInternetmakessense.Peoplelikemultimediaontheircomputers.It’sengaging,entertaining,andoftenmakesotherwisecomplexcomputersalittleeasiertouse.多媒体和英特网的紧密结合是有意义的。人们喜欢电脑上的多媒体，多媒体是有吸引力的、有趣的，另外经常使复杂的计算机变得容易使用一些。电子信息工程专业外语2MultimediaCertainlyitworks:Somemultimediaeducationalprogramsaremeanttobeenjoyedbychildrenwhoarebarelyoldenoughtowalk.TheInternet,onceanuglyandtext-onlysystem,certainlyneedspictures,sound,andpoint-and-clicksimplicitytomakeitunderstandabletothemasses.27电子信息工程专业外语2MultimediaCertainlyitworks:Somemultimediaeducationalprogramsaremeanttobeenjoyedbychildrenwhoarebarelyoldenoughtowalk.TheInternet,onceanuglyandtext-onlysystem,certainlyneedspictures,sound,andpoint-and-clicksimplicitytomakeitunderstandabletothemasses.确实它起作用了：一些多媒体教学程序有意要让那些还刚会走路的孩子们喜爱。一度难看而且只有文字的互联网当然需要有一些图片和声音，再加上容易点击，使它易于被大众理解接受。电子信息工程专业外语2MultimediaForexample,yearsago,usingtheInternettofindtheweatherforecastmeantknowinghowtologintoamainframeorminicomputer,rememberinghowtotelnettoaremotecomputer,andnavigatingaseriesoftext-basedmenusorprompts.29电子信息工程专业外语2MultimediaForexample,yearsago,usingtheInternettofindtheweatherforecastmeantknowinghowtologintoamainframeorminicomputer,rememberinghowtotelnettoaremotecomputer,andnavigatingaseriesoftext-basedmenusorprompts.比如，几年前使用英特网查询天气预报意味着你要知道如何登陆大型计算机或小型计算机，如何远程登陆到一台远程计算机，并浏览一系列基于文字的菜单或提示信息。电子信息工程专业外语2MultimediaYoucouldgettheforecastprettyquicklyonceyougotgoodattheprocess,buttheexercisewasn’tforthefaintofheartorcomputershy.Today,allyouneedtodotogettheweatherforecastistolaunchaWorldWideWebbrowserandclick.31电子信息工程专业外语2MultimediaYoucouldgettheforecastprettyquicklyonceyougotgoodattheprocess,buttheexercisewasn’tforthefaintofheartorcomputershy.Today,allyouneedtodotogettheweatherforecastistolaunchaWorldWideWebbrowserandclick.一旦你掌握好了这个过程，就能很快查询到天气预报，但这种操练可不适合那些缺乏勇气或惧怕计算机的人。而现在为了获得天气预报你需要做的只是运行万维网浏览器然后点击。电子信息工程专业外语2MultimediaAlthoughaudioandanimationarebothpossibleontheWeb,youneedamuchfasterconnectiontosendandreceivethehugeaudioandvideofilesthatwouldenableyoutotakefulladvantageofInternetmultimedia.33电子信息工程专业外语2MultimediaAlthoughaudioandanimationarebothpossibleontheWeb,youneedamuchfasterconnectiontosendandreceivethehugeaudioandvideofilesthatwouldenableyoutotakefulladvantageofInternetmultimedia.虽然网站上可能有音频和动画，但是需要快得多的连接速度来发送和接受大型的音频和视频文件，让我们能充分利用英特网多媒体。电子信息工程专业外语2MultimediaYouaregreetednotwithalengthdescriptionofweathertrendsbutwithapictorialmapoftheweathersituation.ThisexampleisonlythebeginningofhowmultimediaischangingtheInternet.AhugenumberofconsumerproductsandservicesaremakingtheNetstilleasierforalltoenjoy.35电子信息工程专业外语2MultimediaYouaregreetednotwithalengthdescriptionofweathertrendsbutwithapictorialmapoftheweathersituation.ThisexampleisonlythebeginningofhowmultimediaischangingtheInternet.AhugenumberofconsumerproductsandservicesaremakingtheNetstilleasierforalltoenjoy.迎接你的不是冗长的天气趋势的描述而是天气情况的图解地图。这个例子仅仅是多媒体改变英特网的开始。大量消费产品和服务正在使英特网对于所有喜欢它的人更加容易。电子信息工程专业外语2MultimediaMostpeoplewouldagreethattheadventofmultimediaontheInternetisachangeforthebetter,althoughlongtimeusersmaycontendthattheInternet’snewfoundeaseofuseismakingcyberspaceaweebitcrowdedfortheirtaster.Still,multimediaontheInternetisheretostay.37电子信息工程专业外语2MultimediaMostpeoplewouldagreethattheadventofmultimediaontheInternetisachangeforthebetter,althoughlongtimeusersmaycontendthattheInternet’snewfoundeaseofuseismakingcyberspaceaweebitcrowdedfortheirtaster.Still,multimediaontheInternetisheretostay.大多数人会同意，互联网上多媒体的出现是好事，尽管（某些）老用户可能会争辩说现在互联网的使用方便使得网上空间对于他们的口味而言变得有点拥挤了。然而，英特网上的多媒体已呈现在我们面前。电子信息工程专业外语2InteractivityThenotionofinteractivityisimportant,anditbringsupanotheraspectofmultimediathatdoesn’tgetmentionedallthatoften–livemultimedia.Eventhefastest,prettiest,andmosttechnologicallyadvancedcomputergamesandsimulationstakeplaceinfabricatedtime,andtheirmultimediaispackagedandprogrammedtotakeplaceatspecifictimesandintervals.39电子信息工程专业外语2InteractivityThenotionofinteractivityisimportant,anditbringsupanotheraspectofmultimediathatdoesn’tgetmentionedallthatoften–livemultimedia.Eventhefastest,prettiest,andmosttechnologicallyadvancedcomputergamesandsimulationstakeplaceinfabricatedtime,andtheirmultimediaispackagedandprogrammedtotakeplaceatspecifictimesandintervals.交互性的概念非常重要，它提出了多媒体不常被提起的另一方面——实时多媒体。即使是最快、最漂亮、技术最先进的电脑游戏及模拟都是在制作时发生的，为了在特定时间和间隔发生，其多媒体被组合包装和编程。电子信息工程专业外语2InteractivityButtherealworldhappensinrealtime,withinteractionsoccurringconstantlyandthingschangingandadaptingbythesecond.Whataboutthosetransactions?Howcantheyhappenoveraseriesoflinkedcomputers?Howcantheyhappenglobally,overtheInternet,whichwasdesignedfromthebeginningasaninformation-sharingresource,notalivecommunicationtechnology?Here,theMbonecomesintoplay.41电子信息工程专业外语2InteractivityButtherealworldhappensinrealtime,withinteractionsoccurringconstantlyandthingschangingandadaptingbythesecond.Whataboutthosetransactions?Howcantheyhappenoveraseriesoflinkedcomputers?Howcantheyhappenglobally,overtheInternet,whichwasdesignedfromthebeginningasaninformation-sharingresource,notalivecommunicationtechnology?Here,theMbonecomesintoplay.但真实世界是实时的，交互行为不断地发生，事物变化和适应的速度是以秒计的。那些交互怎么样？它们是如何在一系列连接着的计算机上发生的？互联网一开始是被设计成信息共享资源的，而不是一项实时通信技术，这种实时交互怎样才能通过互联网在全球范围实现呢？这时，Mbone起作用了。电子信息工程专业外语2InteractivityThewondersofMosaicwerefirstavailableonlytouserswhohadpowerfulworkstations,buttheWebwasquicklyembracedbythelegionsof“regularusers”usingtheir“regularcomputers”.Likewise,folkstodaywhohavepowerfulcomputerworkstationsandbandwidthtoburnareusingthehottestmultimediatools–programsthatallowsuchmarvelsasreal-timevideoconferencing,collaborationusingsharedvirtual“whiteboards”,andmedia-on-demandservers.43电子信息工程专业外语2InteractivityThewondersofMosaicwerefirstavailableonlytouserswhohadpowerfulworkstations,buttheWebwasquicklyembracedbythelegionsof“regularusers”usingtheir“regularcomputers”.Likewise,folkstodaywhohavepowerfulcomputerworkstationsandbandwidthtoburnareusingthehottestmultimediatools–programsthatallowsuchmarvelsasreal-timevideoconferencing,collaborationusingsharedvirtual“whiteboards”,andmedia-on-demandservers.最初，Mosaic的神奇只对拥有强大工作站的用户们有用，但是很快互联网被大量用着普通计算机的普通用户接受。同样地，今天那些拥有强大的计算机工作站和足够宽带可消耗的人们正使用着最新最流行的多媒体工具——实现这些奇迹，如实时视频会议，共享虚拟“白板”的合作和媒体点播服务的程序。电子信息工程专业外语2Whatistheinternet?TheInternetistheworld’slargestcomputernetwork.It’saninternationalcollectionofsmallernetworks,computers,andthepeoplewhousethem.Thecommercialon-lineservicesareallpartoftheNet.Yourbusiness’sorschool’scomputersystemisontheNet.ThepersonsittingbesideyouatthedoughnutstorecouldwellhaveanInternetaccount.45电子信息工程专业外语2Whatistheinternet?TheInternetistheworld’slargestcomputernetwork.It’saninternationalcollectionofsmallernetworks,computers,andthepeoplewhousethem.Thecommercialon-lineservicesareall