我国数字电视的发展研究

华中科技大学硕士学位论文我国数字电视的发展研究姓名：杨璇申请学位级别：硕士专业：新闻学指导教师：赵振宇20050511I,:1.2.3.IIAbstractThisthesischoosesthedigitalizationofTVmedium,aprocesswithfast-developingstepandlatentrisks.Withtheanalysisofthecompetitivemarketandconsumermarket,thedemandandsupply,themanagementandmodel,thethesistrytoposttheconflictinthefunctionofsupplyanddemand,thedifficultiesinthemanagementandtherelationshipbetweenmarketandpolicy.Throughputtheanalysis,thethesisreachesaconclusion:firstly,DTVinChinaisfacedwiththechallengeofthenewmediaandtheforeignDTV;Secondly,thesupplyofDTVinChinainshortage,andthesupplyarealsointrouble.What’smore,asthemainmanagementmodelofthedevelopmentofDTVinChina,“holisticswitch”countsforagreatdeal,buttherearestillseriesofproblems,suchasthelackofcontentandfund,thelevelofconsumption,thehabitofconsumption,thecleavageofnetworkandsoon.Thirdly,consideringthesituationofChina,DTVinChinaisalsofacedwiththebalancebetweenmarketforcesandexecutiveforces.Aimingattheproblems,thethesisbringsforwardthestrategyforthedevelopmentofDTVinChina.ThecontentofDTVshouldbefractionated,thepriceshouldbesetinlevels,andtheindustrychainofDTVmustbeheldtogether.Inaddition,weshouldexpandthescopeofoperationandtheresourcesoffund.What’smore,thestrategyshouldbeadjustedaccordingtotheconditions.Insofarastherelationshipbetweenthemarketandpolicy,thethesissuggesttheycombineaccurately.Ononehand,ourgovernmentshouldreleasethecontrolofalluringforeigncapitalandfolkcapital.Ontheotherhand,ourgovernmentshouldclutchthecontroltoestablishtheindustrystandard,researchtheindustrytechnology,conformthecablenetwork,andtoacceleratethedevelopmentofeconomicsofChina.KeyWords:DigitalTelevisionDevelopmentPuzzleDomHolisticSwitchStrategyBreakout2005511______20055112005511111.12021.2250500800HDTVVCDLDTVDVDSDTV4316919988000100020031.22005II1.1200442280010003III1.11.3422.1DigitalTelevision,DTV[1]2.1550MHz607045550MHz5005MHz48Hz32Mbps52.2200220154005000201020501.5[2]61500020036000[3]13[4][5]IAI199874.8%1/3[6]20031271()[7]2.12.1833.13.1.11.19955C[8]300[9]91-2[10]0.52.IPTVIPTVYourTVOnDemand,[11]IPTVIPTVTCP/IPIPTVIPTVIPTVIP10200450IPTV2005119(CNNIC)20041294008.0%[12]2008201511000/100020003.3G3rdGeneration(1G)GSMDMA(2G)[13]3G3G114.96.6%400700MHz1980281999214122433415[14]FCC200160%[15]2002616802001152010.53%690024.3520044800[16]199891999814863090%7090%200061001996BSkyB4510050020003200140%200250%[17]201060%200225%23%22%[18]123.1.2CASBAA20101.2820101000·12803.13.120002003[19]%%%%20001267436543751.636130648.374590636.228083763.7820011276276567251.466195548.544806437.667956362.3420021284536611551.476233848.535021239.097824160.9120031292276655651.506267148.505237640.537685159.473.12000200320004590652376200080837768513.2[20]()(%)(%)20002253.4628049.139.420012366.16859.647.738.220022475.67702.846.237.720032622.28472.245.637.1133.259%50-59%40-50%30-40%30%20042003130.50102.3998.42113.25119.22128.11138.32146.52165.162001900050020024000300km40km2000100020012004200020031.19992.6520002.791420012.9020023.1120033.20200213.4%4.8%20021.5219952.5.2.200110.9251.15131.01%25.15%134458491108IT3.2003527304253122136719986186485105811072910749110371103820032.5814.20039.7%21837.959.96%2590.178.4315.199520.8%200019.2%200118.7%1/1020023005.9954.8%.1.515156358200310%45%10%1.4%3.23.2.11.[21]16BBC[22]23[23]2.20043520062007[24]iSuppli1744.5%20041990200886602004314628[25]DTVDTVDTVDTVDTV[26]199920062010DTVBBC201230[27]2001.818002006[28]183.2.21.195819801[29]219992004414193199715%1800220012%2.1989199219931995HDTVHDTVHDTVHDTVHDTVHDTV\1994VCD1994DVD19961998HDTVHDTV986201998HDTV1998200020005HDTV2000820011250002002200220012010200530002010201520035202003200320044344212244.1/4.1.14.123100200VOD120033——2003933200311162004796811142495[30]22004142004925CBN2034.22003.11.1VS1231125200422226332004831334.1.2ITTCL20012001300020003000[31]20031001001013.12004120046020041822004271052005300079.53680[32]60%70%CACA20302030CA1995ATSC199881996DVB19982000ISDB2003CA284.35000RMB%80CA20400-800100060CA40800-10001000-1200CPU70CA301000-1500200003200420054.24.2.1285011222920043255688501460141722005320304.2.2200320042003200530001[33]20031121[34]200420041000120200320052005()312004(CCBN)3264006005001005388033010020039310055000105-743004000,33,23455.15.1.15.1.220085.1.3[35][36]355.1.45.2365.1202010154.1.1BskyB374.1.15.15.3+/[37]38141.7161573.413040,75.2395.2712/22/26/17/2/600/14/17/10/24/17/29/14/+15/59/14/+45/850160017/50/37/13/2110095012/40/118017/52/35/17/110016/34/17/9805.21040[38]10155.45.4.15.1415.1425.4.21.(1)2004[39]432[40]“”[41]5.25.2442.(1)90200700[42]33[43]45[44]2[45]200467469[46]2004101143445.5regulation,[47]475.5.15000[48],ATSCDVBISDB2003119[49]485.5.21999170ITIBMIberateTechnologiesVOD()GeneralInstrument(GI)ScientificAtlantic(S-A)S-ATimeWarner55Explore2000MicrosoftComcast10WindowsCEWebTVWindowsCE,SonyMicrosoftWindowsCEBritishDigitalBroadcasting(BDB)GrundingNokia,Pace,Philips,SonyToshiba6[50]4960%70%4.1.25.5.350125.5.4200359.47%285112352653[1],2004.4P4[2]