MULTIMEDIA REVOLU

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1、MULTIMEDIAREVOLUTIONCHAPTERONE2ChapterHighlightsNatureofarevolution.Definitionofmodernmultimedia.Formsofmultimedia.Originsofmultimedia.Visionariesofmultimedia.Potentialofdigitalmedia.3MULTIMEDIADEFINEDContemporaryMultimediaisthedevelopment,integration,anddeliveryofanycombination

2、oftext,graphics,animation,soundorvideothroughacomputer.4FORMSOFMULTIMEDIANon-interactiveUserisaobserverofinformation.InteractiveUserisaparticipantintheflowofinformation.5FORMSOFMULTIMEDIANon-InteractiveUserhasnocontrolovertheflowofinformation.Developerestablishesthesequenceofmed

3、iaelementsandhowtheyarepresented.Examplesinclude:InformationkiosksDigitalanimations.6INTERACTIVEMULTIMEDIABasicinteractivityIncludesmenuandbuttonoptionstoaccesscontent.AdaptiveorIntellimediaAdapttheinformationflowtotheneedsorinterestsoftheusers.ImmersiveDrawsusersintoanalternate

4、world.7MULTIMEDIAVISIONARIESFROMANALOGTODIGITAL:VISIONSOFTHEFUTURE.8VANNEVARBUSH(1890-1974)MemexI1945Ahypotheticalmachinetomaketheworkofscientistsmoreeffectiveandefficientingraspingthe“growingmountainofresearch.”(AsWeMayThink,1945)9MEMEXI—FEATURESMassivestoragecapacity.Multimedi

5、ainputdevicessuchas“vocoder”and“cyclopscamera.”Automaticmathematicalcalculationsandlogicalreasoning.Newmethodtostoreandaccessinformationbyassociations.10MEMEXII1959ExtendedtheoriginalproposalsofMemexIbyconsideringnewtechnicaldevelopmentssuchas:MagnetictapeTransistorDigitalcomput

6、er11MEMEXII—FEATURESProfessionallymaintainedassociationaldatabasesdeliveredbytapeorfacsimile.Trailswouldbecolor-codedtoreflectageandreinforcedbyrepetitiveuse.Combinedwithadigitalcomputer,BushbelievedtheMemexIIcouldlearnfromexperienceandevendemonstrateaformofjudgment.12ALANTURING

7、(1912-1954)Proposedanabstractmachineknownasthe“TuringMachine.”The“machine”wasameansofdefiningan“effectiveprocedure.”Theimaginarydevicehadthreecomponents:AninfinitelylongtapeconsistingofsinglerowofsquaresAread/writeheadthatmovedalongthetapeonesquareatatimeAsetofinstructions.13TUR

8、INGMACHINESSinglePurpose“TuringMachine.”Cancarr