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TV-Anytime: Paving the Way for Personalized TV PDF

217 Pages·2013·10.62 MB·English
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X.media.publishing Alberto Gil Solla Rafael G. Sotelo Bovino TV-Anytime Paving the Way for Personalized TV Forfurthervolumes: http://www.springer.com/series/5175 ThiSisaFMBlankPage Alberto Gil Solla (cid:129) Rafael G. Sotelo Bovino TV-Anytime Paving the Way for Personalized TV AlbertoGilSolla RafaelG.SoteloBovino UniversityofVigo UniversidaddeMontevideo Vigo Montevideo Spain Uruguay ISSN1612-1449 X.media.publishing ISBN978-3-642-36765-6 ISBN978-3-642-36766-3(eBook) DOI10.1007/978-3-642-36766-3 SpringerHeidelbergNewYorkDordrechtLondon LibraryofCongressControlNumber:2013939978 ACMComputingClassification(1998):H.5,H.3,C.3,I.3 #Springer-VerlagBerlinHeidelberg2013 #2012byAndaviraEditora,SantiagodeCompostela,Spain. TitleoftheSpanishoriginal: TV-Anytime:HaciaunaTVpersonalizada Thisworkissubjecttocopyright.AllrightsarereservedbythePublisher,whetherthewholeorpartof the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation,broadcasting,reproductiononmicrofilmsorinanyotherphysicalway,andtransmissionor informationstorageandretrieval,electronicadaptation,computersoftware,orbysimilarordissimilar methodologynowknownorhereafterdeveloped.Exemptedfromthislegalreservationarebriefexcerpts inconnectionwithreviewsorscholarlyanalysisormaterialsuppliedspecificallyforthepurposeofbeing enteredandexecutedonacomputersystem,forexclusiveusebythepurchaserofthework.Duplication ofthispublicationorpartsthereofispermittedonlyundertheprovisionsoftheCopyrightLawofthe Publisher’s location, in its current version, and permission for use must always be obtained from Springer.PermissionsforusemaybeobtainedthroughRightsLinkattheCopyrightClearanceCenter. ViolationsareliabletoprosecutionundertherespectiveCopyrightLaw. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publicationdoesnotimply,evenintheabsenceofaspecificstatement,thatsuchnamesareexempt fromtherelevantprotectivelawsandregulationsandthereforefreeforgeneraluse. While the advice and information in this book are believed to be true and accurate at the date of publication,neithertheauthorsnortheeditorsnorthepublishercanacceptanylegalresponsibilityfor anyerrorsoromissionsthatmaybemade.Thepublishermakesnowarranty,expressorimplied,with respecttothematerialcontainedherein. Printedonacid-freepaper SpringerispartofSpringerScience+BusinessMedia(www.springer.com) To our families ThiSisaFMBlankPage Preface Televisionisamaturemassmediathathasbeenaroundfor55yearsinSpainand Uruguay,whileithasnowbeenclosetoeightdecadesofregularbroadcastssince itsbeginningsintheUKandtheUSA. Spurred by the spectacular growth of the Internet and social networks, it has becomemoreandmorefrequentinrecenttimestoheartheechoofcriticalvoices that question both the impact of television on new generations and the future projectionofitsinfluenceinsociety.However,thedeclineoftheinfluencetelevi- sionstillexertsonmostofthepopulationisaconjectureallthesame,supportedby scantstudiesandwithoutimportantnumberstorelyon.Televisioninfactremains the leading channel for entertainment and information in any developed society, exertinganunparalleledinfluenceonpublicopinion. What is clear is that television has been, until recently, a media phenomenon witharatherslowevolutionregardingtheinteractionwithitsusers,andthatthisis beginningtochange.Untilnow,viewershistoricallylimiteditsusetothereception and playback of images complemented in many cases by the latest capability to record contents. The digital transition has rushed things, and the computational capacityoftelevisionsandset-topboxeshasincreasedthepossibilitiesofcommu- nicationandimplementationofservicesoftheusers’equipment. Buttousethisprocessingcapacityeffectivelyandelevatethediscreteimprove- mentsweareexperiencingtodaytothecategoryofrevolution,itisnecessaryforthe software that provides intelligence to have within its reach information it can manipulate and understand, and not only signals to reproduce. It is essential to characterize the environment (content, users, devices, etc.) by means of formal descriptions,onwhichitispossibletoapplythecomparisonandreasoningprocesses that allow the software to identify the most attractive contents for each user and properlyresolveanyissuessothattheycanbeaccessedtransparently. Atthesametime,topromoteeconomiesofscalethatgiveawell-foundedhope of recovering the necessary investments, it is essential to ensure interoperability betweenequipments(whichentailssharingofinformationformatsandprotocols). By doing this, users can purchase equipment with the assurance that they will be vii viii Preface abletohaveuniversalaccesstotheservicesprovidedbyoperatorsorthirdparties, andnotjusttonichesartificiallyestablishedbytheinitiativesofmanufacturers or TVplatforms. Thisbookprovidesageneralintroductiontotheresourcesandcapabilitiesofthe TV-Anytimestandard,aregulatingeffortthatisaimedatmakingahomogenizing proposal for certain informationformats and communicationprotocols to create a frameworkonwhichtoeasilydeveloptheintelligentservicesthatarecominginto the audiovisual market. The purpose of this standard is toachieve a consensus on theformatsoftheinformationthatmustfeedthereasoningprocessesinherenttoan intelligentsystem,therebyensuringmanufacturersandcreatorsthattheirproducts willaspiretothewidestpossiblemarket, withoutfearofbeingconstrainedbythe warsofinteresttypicalforemergingtechnologies. Throughoutthebook,thesuccessivechaptersprovideadetailedrevisionofthe most important contributions of the standard. To start with, Chap. 1 focuses on the actual state and future trends of the television industry and on the vision and structureoftheTV-Anytimestandard.Then,Chap.2presentsageneraloutlineof the standard, showing the logical architecture of a possible platform that deploys TV-Anytimeservicesanddescribingthemainelementsinvolved,togetherwiththe informationtheyhandle.Itcanbeconsidered,partly,asummaryofthebook,where the contents of the following chapters are presented to get a general overview of theirrelationships. Thenextchapterspresentthemaintoolsprovidedbythestandard.Chapter3is devotedtothemechanismdefinedinTV-Anytimefortheunambiguousreferenceto contentsandtheresolutionofsuchreferencestogetlocatorsthatmakeitpossibleto acquirethecontents.Chapter4isentirelyfocusedonthedescriptionofmetadata, whichisstandardizedtodescribeaudiovisualcontents. After introducing the main tools, several frameworks to support advanced audiovisual services are covered. Chapter 5 presents different elements and procedurestoimplementcustomizedsmartservicesrelatedtoaudiovisualcontents: features to manage the customization processes, mechanisms for the dynamic substitution of advertisements, and a coupon system to promote offers related to the announced contents or products. Following this, Chap. 6 deals with content packaging, a procedure to group and coordinate many contents aimed at being consumedinajointandsynchronizedway. Chapter7dealswithdifferentaspectsofthedeliveryofTV-Anytimemetadata inunidirectionalcontexts,atthedestination. The last chapters are devoted to issues related with the communication of TV-Anytimedeviceswiththeoutsideworld.Chapter8dealswiththecharacteristics ofcommunicationwithexternalservicesthatprovidemetadata,whichareaccessible throughbidirectionalnetworks,andtheproceduresforsharinguserprofiles.Chapter9 coverstheremoteprogrammingofareceiver(whichbelongstoauserortoaservice providedbythirdparties)andtheformatsofinformationexchangewithapplications thatdonotmeettheTV-Anytimeregulations.Finally,Chap.10closesthebookwith briefconclusions. Preface ix This book is not a reference manual of the standard, and it does not contain complete and thorough descriptions of all aspects covered in the TV-Anytime specifications(unapproachablebecauseofitslengthandinadvisable—inaninfor- mativeworksuchasthisone—becauseofthethoroughnessthatwouldberequired). Itssolepurposeistoarousethereader’scuriosityaboutthepromisingcapabilities of this initiative, provide a brief description of the mechanisms and elements involved, and present simple examples to clarify what is described and to show itsscope.Wehopethatthisbookhelpsreadersresolvetheirdoubtswithrespectto possible projects, or at least gain a more accurate vision of what the future may holdfortheminthisscenery.

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Television is a mature mass media with close to eight decades of regular broadcasts since its beginnings in Germany, the UK and the USA. Today, despite the spectacular growth of the Internet and social networks, television is still the leading medium for entertainment and information across the worl
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