Přehled
InternetTVincludesIPTVandInternetTV.ItusestheInternettointegratemultiplecontentresourcestobroadcastliveoron-demandTVprograms.Itisamorepopularformofvideoprogramtransmissioninrecentyears.Itreliesonbroadbandnetworkandotherrelatedtechnologiesandusesaninteractiveformtoprovideuserswithvariousvideoprograms,aswellasrelatedvalue-addedservices.TheclientusesprofessionalequipmentorinstallscorrespondingvideoplaybacksoftwaretowatchTVprograms,andatthesametimeprovidestheclientwithdigitalTVandotherinteractivenetworkTVtransmissionservices.
InternetTVisanintegratedplatformbuiltbyamanufacturerapprovedbytheStateAdministrationofPress,Publication,Radio,FilmandTelevision,andthenusestheTVterminaltoconnecttothisplatformthroughthepublicInternet.InternetTVcannotprovideliveTVchannels,suchasLeTV.TV,XiaomiboxandothersmartTVs,butInternetTVcanrealizetheon-demandTVprogramcontent,andtheTVprogramresourcesaremoreabundantthantraditionalcableTVprograms.
IPTV,alsoknownasinteractiveTV,istheuseofbroadbandcabletelevisionnetworkinfrastructure,theuser’shomeTVsetasthemainequipment,broadcastandtelevisionprovidecontent,throughthecooperationofbroadcastandtelecomoperatorstoprovidechannels,useTelecommunicationsdedicatedlineconnectionisnotinterconnectedwiththepublicInternet,anduserservicesaregenerallyhandledthroughtelecommunicationsoperators,suchastheIPTVservicedevelopedbyChinaUnicom.
Funkce
Následují hlavní vlastnosti internetových TV oblastí.
(1) Bez omezení.
TheaudienceneedstobeabletowatchTVprogramswithoutrestrictionindifferentplaces,atdifferenttimes,andindifferentenvironments,andfindinterestingprogramstowatchintheshortesttime,soyoudon’thavetoworryaboutthefixedbroadcastoftraditionalTV.Restrictionsonthetimeandcontentoftheprogram,youcanwatchandstop,switcharbitrarily.
(2) Inteligentní a sdílení.
TheintelligenceofInternetTVisreflectedinthefactthatuserscanpreviewthecontentoftheprogramsbroadcastbyeachstationthroughtheprogramlist,insteadofrelyingontuningchannelstosearch.Atthesametime,InternetTVcantransmitthephotosonthemobilephonetotheTV,sharethebeautifulmomentswiththefamily,andalsosharetheTVprogramsyoulikewithyourfamilyandfriendstowatch.
(3) Diverzifikovaný obsah programu.
NetworkTVnotonlyallowsuserstowatchmovies,newsprograms,etc.,butalsocansimultaneouslyrecorduserfavoriteTVprogramsforplaybackandviewing.
Výhody
InternetTVhasbecomeahottopicamongthegeneralpublicandmostpeople.Itsimportantroleistoprovidetheaudiencewithabrand-newexperienceandwayofwatchingTVprograms.ItisdifferentfromthepassivenessoftraditionalTV,sothatuserscannotgetagoodlookandcannotwatchcompleteTVprograms,whilenetworkTVchangesInthetraditionalsenseofTVviewingmode,theautonomyoftheuserexperienceisrealized,andthewatchandstopcanberealizedatanytime,andthefavoriteprogramscanbeorderedatthesametime.Theuserexperiencehasbeenwellimproved.
Secondly,InternetTVcanprovidepersonalizedservicestandardsandrichTVprogramresources.UserscanwatchTVprogramsfromallTVstationsathomeandpopularInternetprogramsinrecentyears,soastosatisfyusers’demandforTVprograms.MoredemandmakesupforthelackoftraditionalTVprogramsinasingleformat,andtheadvantagesintheentiremediaenvironmentareveryobvious.
Řízení údržby
1.Improverelatedtechnicalmaintenancemanagementsystem
InordertoensurethesafebroadcastofnetworkTV,enterprisesneedtocombinetheirowncharacteristicstoestablishasoundTechnicalmaintenancemanagementsystem.Forexample,enterprisestaff'sattendanceanddutystatus,equipmentandnetworkmaintenancestatus,CDhandoverstatus,existingmaintenancesystem,etc.,throughcomprehensiveconsiderationofthesefactors,establishanefficientandunifiednetworkTVsafebroadcasttechnicalmaintenanceManagementsystemtoensurethatthevariousprocessesofnetworkTVbroadcastingcanbestandardized.Atthesametime,companiesshouldstrictlyimplementtherulesandregulations,throughtraining,sothateveryemployeecanlearnthecontentsoftherulesandregulationsindepth,andusetherulesandregulationstoregulatethebehaviorofemployeesintheirdailywork.Establishacorrespondingsupervisionandmanagementmechanism,strengthenthesupervisionofallstaff,andpromotethesafetyofnetworkTVbroadcaststobeguaranteed.
2.Posílit výcvik technického personálu
TechnicalpersonnelplayanimportantroleinthemaintenanceofnetworkTVsafetybroadcast.TheleveloftheirqualityaffectswhetherthenetworkTVCanbebroadcastsafely.Therefore,companiesmuststrengthenthetrainingoftechnicalpersonnel,improvetheirbusinesscapabilities,enablethemtomasterthemostadvancedInternetTVtechnology,andimprovetheirworkefficiency.Forexample,providetechnicianswithopportunitiestoreceivetraininginprofessionalinstitutions,hireexpertstogivelecturesincompanies,holdexchangesandlearningactivities,etc.,sothattechnicianscancomprehensivelylearntheequipmentprinciples,commonfailures,maintenanceandmaintenancemethodsrelatedtonetworkTV,andTechnologyrelatedtothesafebroadcastofInternetTV.Afterthetechnicianshavelearnedthisknowledge,theyshouldalsopracticemoretoenrichtheirpracticalexperience,sothattheycanbettermaintainthehardwareandsoftwarefacilitiesofthenetworkTV,soastoensurethatthenetworkTVcanbebroadcastsafelyandforpeopleProvidehigh-qualityTVservices.
3.Posíleníúdržbyvysílacíhosystému
ThebroadcastsystemoftheInternetTVwillcontinuetooperateeveryday,andsomeequipmentwillfailduetolong-termoperationorexcessiveoperatingload,AffectingthenormalbroadcastofInternetTV.Therefore,itisnecessarytostrengthenthemaintenanceofthenetworkTVbroadcastsystem.Forexample,increasetheoverhaulofthedatabaseserver.ThedatabaseserveristhecorepartofthenetworkTVbroadcastsystem.OnlybykeepingitrunningcanthesecurityofthenetworkTVbroadcastbemaintained.Atthesametime,itisnecessarytoregularlycheckthevideobroadcastservertoincreaseitsmaintenancefrequency.Diskarraysarethemostimportantvideobroadcastread-writedevice.NetworkTVgeneratesalargeamountofdatainformationeveryday.Ifthevideoplaybackserverhasphysicalbadsectors,logicalerrors,etc.,orthediskisdamagedduetofrequentdiskreadsandwrites,thedatainformationinitwillbedestroyedorlost.
Vývojový trend
Atthisstage,thedevelopmentofInternetTVhasabrightfuture.AstheInternethasmatured,thepublic’srequirementsforTVprogramsarenolongerlimitedtothecurrentlimitedresources,buthopeSeeingmoreabundantandexcitingTVprograms,andInternetTVcanmeettheneedsofpeopleatthisstageontheonehand,andontheotherhandcanmeetthedisseminationroleofInternetTVnetworks.
Inaddition,mycountry’sInternetTVismorematureinallaspects,coveringawiderangeoffields,suchascommunicationstechnology,computernetworks,andradioandtelevisiontechnologies.Itgenerallymainlyincludes:transmissiontechnology(P2P)andcontentdistributiontechnology(CDN).ThetransmissiontechnologyisdifferentfromthePCclient.Thedataexchangeandservicesystemgenerallydonotgothroughanetworkrepeater.Thecorecontentistotransmitfilesinapeer-to-peermannerthroughuserresources.Contentdistributiontechnologyiscurrentlythemostnewtypeofnetworkconstructiontechnology.Thecorecontentofthistechnologyismainlytouseintelligentstrategytechnology,filetransmissionismorestableandfaster,andpeoplecanobtaincorrespondingserviceswithinthebestrangeoftheirown.,Therebyenhancingthescientificuseofnetworkresources.Atthisstage,thedevelopmentofmycountry'swiredandwirelessnetworksismoremature,andthedevelopmentofInternetTVisalsomoremature.People'saffirmationandevaluationoftheInternetTVmarketaregettinghigherandhigher,andthedevelopmentprospectsaremoreoptimistic.
Plošina
Obecně lze internetovou televizi rozdělit do čtyř forem podle terminálu, jmenovitě na platformu PC, platformu TV (set-topbox), platformu (internetovou televizi) a platformu mobilního telefonu (mobilní síť).
WatchingInternetTVthroughaPCisthemainmethodofcurrentInternetTVviewing,becausetheInternetandcomputershavetheclosestrelationship.Systemsthathavebeencommercializedbasicallyfallintothiscategory.SystemsolutionsandproductsbasedonthePCplatformhavebeenrelativelymature,andsomeindustrystandardshavegraduallyformed.Theproductsandsolutionsofvariousmanufacturershavebetterinteroperabilityandsubstitution.
NetworkTVbasedontheTV(set-topbox)platformusesanIPset-topboxastheInternetdeviceandtheTVasadisplayterminal.AlthoughtherearemoreTVusersthanPCusers,thiskindofnetworkTVisstillinthepromotionstageduetothelowresolutionandlargesizeoftheTV(notsuitableforcloseviewing).
Theplatformisa3GnetworktechnologyplatformindependentlyresearchedanddevelopedonthebasisofnetworkTV.Itintegrates3Ddisplay,pureopticalsidetechnology,andinteractivenetworktechnologyintoanintelligentterminal.
Strictlyspeaking,mobileTVisasubsetandextensionofthePCnetwork,whichtransmitsvideocontentthroughthemobilenetwork.Becauseitcanbewatchedanytime,anywhere,andtheuserbaseishuge,itcanbeself-contained.
ThebasicformsofInternetTV:videodigitization,IPtransmission,andstreamingmediaplayback.
Čelit výzvám
ThedevelopmentofIPTValsofacesmanyobstacles.Policycontrol,networkreform,andmarketcompetitionenvironmentallrestrictthedevelopmentofIPTVtoacertainlevel.
ThedevelopmentofIPTVbyChinesetelecomoperatorsisfirstfacedwithchallengesinpolicyregulation.Inaccordancewiththeregulatorysituation,iffixed-lineoperatorswanttooperateIPTVservicesonbroadband,theymustobtainthe"PermitforInformationNetworkCirculationofAudiovisualPrograms"issuedbytheStateAdministrationofRadio,FilmandTelevisionandthe"Value-addedServicePermit"issuedbytheMinistryofInformationIndustry,adualpermitsystem.ItpreventstelecomoperatorsfromdirectlyobtainingIPTVoperatingqualifications.Thecountry'sonlyinformationnetworktocirculatetheaudiovisualprogrampermissioncertificatewasissuedtoShanghaiMedia.TelecomoperatorscanonlydevelopIPTVservicesthroughcooperation.
Inadditiontotheproblemsofindustrialpolicy,ChinesetelecomoperatorswillalsofacethefollowingchallengesindevelopingIPTVservices:
Networkreformandupgradeissues,fromtheperspectiveofnetworkstatus,althoughChina’sbroadbandbackbonenetworkhasbeenbasicallycompleted,butthebroadbandaccessconditionshavenotyetfullymettheneedsofIPTVdevelopment.Inordertoprovidehigh-qualityvideocontent,itwillbenecessarytoupgradeandreformChina’sexistingbroadbandaccess.Thiswillrequirealargeinvestment.
Theproblemofbusinessmodelandprofitmodel.Ifthereisnogoodbusinessmodelandprofitmodel,theoperator'sinvestmentwillnotgetaneffectivereturn,andtheoperatorwilllosemorethanthegain.Thetriple-servicebusinessmodelcommonlyusedabroadisnotpossibletoimplementatleastinChina,butitcanalsobeusedasareferencefortelecomoperatorstopromoteIPTV,andatleastitcanformadual-bundledserviceofbroadbandandIPTV.However,exploringaneffectiveprofitmodelandformulatingreasonablebusinesstariffsareallissuesthatneedtoberesolvedatthebeginningofbusiness.
Fortheproblemofdifferentiatedservices,IPTVcanprovideseveraldifferenttypesofservices.Generallyspeaking,TVservicessuchasliveTVandon-demandTVareimportantservicesintheearlystageofdevelopment.IftheliveTVprovidedbytelecomoperatorsItisnotmuchdifferentfromtheexistingradioandtelevisionservices.Theon-demandservicechargesexceedthelevelofusers'dailypurchaseofdiscs,andusersmaynotchooseIPTV.InChina,themanagementofTVcontentisverystrict,andthephenomenonofpiracyisrepeatedlyprohibited.Therefore,WhentelecommunicationsoperatorsarrangeIPTV,howtoachievedifferentiatedservicesfromexistingserviceprovidersisveryimportant.