第1页共7页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共7页MassmediaMassmediaareinstitutionsofmasscommunication;theyserveasthechannelsthroughwhichmessagesarepassedfromthesourcetothedestination.FromthefoundingoftheUnitedStatestothepresentday,massmediahaveplayedanimportantroleinnearlyalltheimportanteventsofthenation.Nowadays,newmediahasbecomeasignificantelementineverydaylife.TheglobalnetworkoftheInternetconnectspeopleandinformationviacomputers.Massmediaunquestionablyinfluenceeverydimensionofpeople’slives.Massmediadenotesasectionofthemediaspecificallydesignedtoreachalargeaudience.Thetermwascoinedinthe1920swiththeadventofnationwideradionetworks,mass-circulationnewspapersandmagazines.However,someformsofmassmediasuchasbooksandmanuscriptshadalreadybeeninuseforcenturies.MassmediaincludesInternetmedia(likeblogs,messageboards,podcasts,andvideosharing)becauseindividualsnowhaveameanstoexposurethatiscomparableinscaletothatpreviouslyrestrictedtoaselectgroupofmassmediaproducers.Thecommunicationsaudiencehasbeenviewedbysomecommentatorsasformingamasssocietywithspecialcharacteristics,notablyatomizationorlackofsocialconnections,whichrenderitespeciallysusceptibletotheinfluenceofmodernmass-mediatechniquessuchasadvertisingandpropaganda.Thetermpublicmediaislessusedandisdefinedas"mediawhosemissionistoserveorengageapublic."MarshallMcLuhan,oneofthebiggestcriticsinmedia'shistory,broughtuptheideathat"themediumisthemessage".Massmediaareveryimportanttoolsofcommunication,throughwhichinformationispassedtoeventhefarthestendoftheworld.Theyenableustocommunicatewitheachotherbyhelpingustoovercomethebarriersoftimeandapace.Kinds1、TVAfterWorldWarII,people’shomeswereinvadedbyapowerfulnewforce--television.Theideaofseeing"live"showsinthelivingroomwasimmediatelyattractive.Theeffectsofthispowerfulmediumarestillbeingmeasured.TelevisionhasdevelopedsinceWorldWarIIintothemostpopularmediumintheUSandUK,onethathashadgreatinfluenceonAmericanwayoflife.Virtuallyevery第2页共7页第1页共7页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共7页Americanhousehold--98%in1999--hasatleastoneTVset.SevenintenEnglishmenin1991reportedgettingmostoftheirnewsfromTV.Threelargeprivately-ownednetworks--NBC,CBSandABC--claimed90percentoftheTVmarketfromthe1950sthroughthe1970swithfreebroadcasts.CableTelevisionHowever,therapidspreadofpaycableTVinthe1980sbrokethehegemonyofthebigthree.By1999,closeto70%ofAmericanhouseholdshadsubscribedtocableTV.CableTV,carriedbycoaxialandfiber-opticcables,originatedin1948tobetterserveindividualsinmountainousorgeographicallyremoteareaswhocouldnotreceiveover-the-airTVstations.Thegenesisofcableasitisknowntodaystemsfromdevelopmentofthedomesticcommunicationssatellite,approvedbytheFederalCommunicationsCommissioninJanuary1973.Thenewtechnologyofferedcableprogrammersacost-effectivemethodofnationalandinternationaldistribution.InDecember1975,HomeBoxOffice,anall-moviechannelownedbyTime,Inc.,becamethefirstprogrammertodistributeitssignalviasatellite.ThenextservicetousethesatellitewasalocaltelevisionstationinAtlantaownedbyTedTurner.Itbecameknownasthefirst"superstation,"bouncingitssignaloffasatellitetoreachanationwideaudience.ThesametechnologyallowedTurnerin1980tofoundtheCableNewsNetwork,CNN,theworld'sfirst24-hourall-newschannel.Byearly1993,MTV,theleadingAmericanrockmusicTVnetwork,hadanaudienceo...