Super Video Compact Disc Super Video Compact Disc A

21599 3122 783 0081 1 Super VideoCompactDisc A TechnicalExplanation Super VideoCompactDisc 1 21599 3122 783 0081 1 Super VideoCD CD ROM (CD-DA) CD DigitalAudio Photo CD (CD-i) CD Interactive Video CD-ROM Video CD2.0 Video CD1.1 Super VideoCD Video CD-Internet 62107). of IECstandardisation.(IEC Super Video-CDisintheprocess bandwidth anddisccapacity. audio qualitygivenitslimited publishers tousethebestvideo/ to offermoreflexibilityfor the arttechnologyavailable,and possible withthelateststateof performance combination further toensurethebestprice/ The objectiveofthisstandardsis the disccapacity. coding formoreefficientuseof variable bitrate(VBR)MPEG2 improvements. Itisalsobasedon is preparedforfurtherfuture provisions forPCplayback,and sound multi-channelaudio, includes extensionsforsurround Audio Quality.Italsostandard format. ItutilizesbetterVideoand upgrades thecurrentVideo-CD The SuperVideo-CDstandard system. Disc basedvideoreproduction standardized fulldigitalCompact There isamarketneedfor COMPACT DISC MPEG2 on Disc formats 1985 1983 1992 1990 1996 1995 1993 1998 1997 Philips, Sony,Matsushita, Philips, Sony,Matsushita, Philips, Sony,Matsushita, Philips, Sony,Matsushita, Philips, Sony,Microware Philips, Kodak Philips, Sony Philips, DEC JVC, Hitachi Philips, JVC Partners JVC JVC JVC · · needed: For theintroductionofanewstandardis content. availability ofattractivepublishing and userrequirementsnexttothe accepted, itmustfulfillthegivenmarket For theformattobecomesuccessfuland functions andfeatures. support atleastallthemandatorydisc expecting manufacturer implement aplayerisuptoeach authoring systemsspecification.Howto the disc.Itisanimplicitplayeror content formats,metadata,andAPI’son optical, discorganization,dataretrieval, specification, specifyingthephysical, players. Thestandardisadiscformat Discs, sothatalldiscscanplayon compatibility betweenPlayersand standard istoachievefullworldwide The purposeforaformalCDdisc Standardisation format. since 1990havebeenbasedontheXA multimedia-computer tracks (CD-Extra)andtobeplayedona independent toallow 14% capacity.Theformatisplatform multimedia filesofferinganadditional computer datafileswithreal-time makes itpossibletocombinenormal distribution. TheCD-ROMXAformat across tomultimediadatastorageand systems developed reproduction system,itrapidly Beginning technological CD isoneofthemajornew History stakeholders all involvedpartnersand Agreement onthespecificationwith well defined. All essentialparametershavetobe A completedetailedspecification. CD-ROM XAbasedformats , withapplicationsextending thattheplayer(ordrive)can asapure,high-qualitysound intoawholefamilyof Hybrid publishingonCDandWWW stepsofthiscentury. , butacustomeris 2 x16bitPCMcodedaudio,99 MPEG-2 video,VBR,overlay . pictures, menus,playlists PC /MACprogramfiles reliable 660MBstorage 72 minutesplayingtime Interactive Usercontrol . Allnewformats additionalCD-DA Movies Karaoke CD Recordable Features graphics tracks, The basicfeaturesofVideo-CDare; functions single stepandothersophisticated Surround sound,directchapteraccess, be offeredinastandard2discpackage. full lengthfeaturefilmupto140mincan disc, butnowalsowithdigitalvideo.A as onaconventionalCD-DigitalAudio for thesameamountofmusicmaterial optical disc.Formusicvideothisallows stereo soundpackedontoaone12cm motion videocombinedwithCDquality business. Itoffersupto74minutesof dimension The Video-CDsystemaddsanew China. Today and Video-CDinUSAEurope. later followedbyDigitalVideoonCD-i in theworldwasKaraoke-CDJapan, The firstMPEG-1applicationintroduced White Bookstandard · · · needed: compatibility For checkingthecomplianceand · · smaller disc,lowercost,digital,multi-platform better videoresolution,subtitling,multilingual archiving, TVview,zoom,desktopauthoring ease ofuse,compact,fastread,multimedia plays onMPCwithSWMPEGdecoder, no HiRes pictures,interactiveplayback control ease ofuse,soundquality,robust,small standard. discs arecompliantwiththe authoring A discverifiertooltocheckif production development. demo andtestdiscs,forplayer A prototypetestplayer,toplay in themarket. testing playersthatgiveproblems manufacturing, aswellfor player developmentand standard. Thesediscsareusedfor applications withinthescopeof combinations ofcontentand achievable alsothemostimportant standard atleastonceandif each functiondescribedinthe A set(suite)oftestdiscswith test, andcommercialdiscs. Authoring toolstoproducedemo, promote thestandard. Demonstration playersanddiscsto thelargestVideo-CDmarketisin fast accesstomultimedia(a/v)files Interactive TVprograms,games areavailable. tothefilmandmusicvideo ofplayersanddiscsis systemsandproduced format, durable User benefits files, games extra costs on PC 2 21599 3122 783 0081 1 Karaoke lyrics orMoviesub-titling Graphics functionsformulti-lingual MPEG-2 coding,aswellnew Overlay better VideoandAudio quality by of theVideoCD2.0standard utilizing players. Thisspecificationis an upgrade allow forcostoptimized The standardhasbeenspecifiedto quality giventhelimiteddisccapacity. publishers tousethebestvideo/audio available, andtooffermoreflexibilityfor the lateststate performance combinationpossiblewith standard istoensurethebestprice/ The targetforthisnewSuperVideoCD, Super VideoCD place andcontinuetilltheend. where theusercanstartataselected sequences (e.g.Lifeconcertormovie) individual aswellbeplayedinalong discs thatsongscanbeselected publisher ofMusicvideoandKaraoke exit point.Thisfeatureallowsthe with oneormoreentrypointsand this contextatrackisanA/Vsequence for entrieswithinatrack(sequences).In or moretracks(sequences)andwellas The VideoCDstandardadmittouseone CD deliverycapacity. compressing suchdataratestowithin ingenious delivery 165Mbit/sec. ForanormalCDthe the internationalstandardCCIR601,is for aTVstudiosignal,asspecifiedby for thefirsttime.Thedatadeliveryrate computer andcommunicationsproducts include technology digital compression audio. TheMPEG-1standardfor pictures to realizethefullscreenmotion standard audio/videocodingtechnology The systemusestheISOMPEG-1 disc ),Multiplatformstandard. Index )access,Albumsupport(multi of 74minutesperdisc,FastTrack(and NTSC compatibleformat,Playingtime Full qualityvideo(MPEG-1),PAL/ CD-DA qualityaudio(stereo/2mono), volume andfilesystem videodataisanenabling full-motionvideoinconsumer, rateis1.4Mbit/sec.The withassociatedhighquality CD-ROM ISO9660 achievementofMPEGliesin thatmakesitpossibleto anddecompressionof ofthearttechnology SuperVideoCD Super VideoCDspecifications physical andlogicalcoding ISO 10149(YellowBook) data interchangecoding CD-ROM characteristics ISO 908(RedBook) CD characteristics . It IEC62107 average bitrateoftheMPEGvideo title of110minutes,thegain to double(2X)speed.Fora2discmovie The variablebitrate(VBR)mayvaryup Variable bitrate(VBR) VIDEO CD2.0standardspecification standard specificationcomparedto Improvements oftheSuperVideoCD Improvements variety ofplatforms. include applicationprogramsfora hardware andsoftwareplatforms Video CDplayers,andothercompliant Video CDdiscscanbeplayedon,Super the CD-ROMXAdiscformat.Super The SuperVideoCDformatisbasedon depending minutes tomorethan70 plying timeperdisccanvaryfrom35 efficient ( VBR)MPEG-2codingformore It's alsobasedonusingvariablebitrate future improvements. playback, andispreparedforfurther interactivity, Internetconnectivity,PC sound multi-channelaudio,more also includesextensionsforsurround coding sub-channels text Overlay Graphicsand surround sound audio channels bit rate Audio resolution PAL(HxV) resolution NTSC(HxV) Still Picture resolution PAL(HxV) resolution NTSC(HxV) bit rate(mbps) Video CDI sub-directory File locations Data retrieval CDDA tracks Sector rate useofthedisccapacity.The Item ontheaveragebitrateused. ISO 13818-1/2/3 Audio coding ISO 111172-3 SVCD compared withVideo-CD2.0 4 colorCLUT(2bit/pixel) A/V coding variable upto150Hz(2X MPEG-2 (5+1)extension up to2stereoor4mono MPEG 1 MPEG 2 480 x576,704576 480 x480,704 from 32to384kbps overlay videoplane Super VideoCD variable upto2.6 MPEG-1, layerII Fixed locations 480 x576 480 x . Itmay MPEG-2 MPEG-2 not used not used speed ) <= 4 in Track#2,andsongnumber2 means thatsongnumber1isrecorded normally onetrackpersong.This #2 .AKaraoke/Musicapplicationhas played sequentiallystartingfromTrack in MPEGtracks,andareintendedtobe MPEG-2 streamsondiscarerecorded playback MPEGsequences.The data retrievalinformationandinteractive on thediscisaspecialDATAtrackwith CD-ROM XAdatatracks.Thefirsttrack of theProgramAreaareencodedas disc oraCD-Recordabledisc.Alltracks ROM XA,andcanbeapre-mastered The DiscformatiscompliantwithCD- SVCD discstructure change support. channels selectable titling andKaraoke New OverlayGraphicsforMoviesub- Overlay Graphics 2 Multi-Channel(5+1channels)coding. included MoviesurroundsoundMPEG- As backwardcompatibleextension Audio Surround SoundMulti-channel efficient compression user, andVBRcodingisusedforamore Audio streamsareselectablebythe been addedforasecond One extraMPEGaudiostreamhas Two Audiostreams 576 linesforPAL. resolution of480linesforNTSCand coding, andbyinterlaced by usingMPEG-2insteadofMPEG-1 Much betterpicturequalityisachieved MPEG-2 Video for theresolutionimprovement. stream istypically45%,whichused , andKaraokehighlightcolor (language/lyrics)sub- stereo withDolbypro-logic 352 x288,704576 352 x240,704480 1 stereoor2mono fixed to224kbps MPEG-1, layerII fixed locations lyrics,withuptofour Video CD2.0 fixed to75Hz mandatory 352 x288 352 x240 MPEG-1 MPEG-1 not used . optional 1.15 N/A N/A Super VideoCD doublevertical language.The in 3 21599 3122 783 0081 1 Super VideoCD indicated in"INFO.VCD".SegmentPlay Segment PlayItemAreaaddressis MPEG 2ProgramStreamcoding.The audio andstillpicturesconformto MPEG sectors.Itmaycontainvideo, MPEG-2 ProgramStream(PS)storedin A SegmentPlayItemconsistsofa Segment PlayItemArea "PSD.VCD". contain thefiles"LOT.VCD"and “SEARCH.DAT”. Asanoptionitmay "ENTRIES.VCD", “TRACKS.SVD”and contains thefiles"INFO.VCD"and The SuperVideoCDInformationArea Information Area the disc. table oftheKaraokemusicprogramson information toproduceaquickreference Information Areaprovidesbasic option. ThedataintheKaraokeBasic Karaoke BasicInformationAreaasan A SuperVideoCDdisccancontainthe Karaoke BasicInformationArea Form2 (2324byte)MPEGsectors. sectors, andMPEGfilesuseMode2, Mode2, Form1(2048byte)DATA program datafiles.Datafilesuse interactive use,andotheroptional Item Areaintendedformenusor Information Areas,andaSegmentPlay The DATAtrackcontainsSpecial DATA trackformat within theonetrack. possibility tobesubdividedintochapters can bestoredinonetrackwiththe stored inaseparatetrack.Thefilmitself COPYRIGHT, FILM,CREDITS,each different codedpartsofINTRO, #3, andsoon.AMoviecouldhave No MPEG-1orCD-DAtracksareallowed. Lead-Out Area Lead-In Area Primary VolumeDescriptor Track #nn Track #2 Track #1 Segment PlayItemArea SVCD InformationArea ... Unused Area Other Files pre-gap SVCD DATAtrack SVCD MPEGtracks Example oflayout oftheDATATrack#1. List IDOffsettable" Entry table" Disc Information" ISO 9660 16 Emptysectors 150 sectors Track Information“TRACKS.SVD” Access pointsectoraddresses“SEARCH.DAT” Play SequenceDescriptor" PC playbackapplication Clopsed Captiondata“CAPTnn.DAT” Playing timerelatedaccess“SCANDATA.DAT” EXT segments of150sectors(option) Play Items(StillPicture,Motion Audio)in directory example ofthefilestructureforaSVuper hierarchy. Thefigurebelowgivesan required SsuperVideoCDdirectory directories mayexistoutsidethe in the"EXT"directory.Otherfilesor "SCANDATA.DAT" filemustbelocated located inthedirectory"MPEG2".The MPEG Audio/VideoTracksmustbe "SEGMENT". Allfilesthatrepresentthe must belocatedinthedirectory available onthediscthenthesefiles "SVCD". IftheSegmentPlayItemsare files mustbelocatedinthedirectory "KARAOKE". TheSVCDInformation must belocatedinthedirectory is availableonadisc,thenthesefiles directories. IfKaraokeBasicInformation "SVCD", "MPEG-2",and"EXT" Video CDdiscare:Rootdirectory0, The requireddirectoriesforaSuper Directory structure specific SVCDfiles on absolutesectoraddressestothe second DataRetrievalStructureisbased to CD-ROMXA,andISO9660,a first istheFileSystemstructureconform different DataRetrievalStructures;The A SuperVideoCDdisccontainstwo File systemstructure Mode2 Form2with2324userbytes. Stream, storedinMPEGsectors,using must containonlyoneMPEG-2Program be MPEGtracks.Eachtrack All TracksexceptthefirstTrackshould MPEG trackformat Descriptor file. interpretation ofthePlaySequence playing mechanism,butindirectlyby accessed directlybythenormaltrack segments. SegmentPlayItemsarenot Items mayoccupyoneormore TOC value> #N-1 ENTRIES.VCD INFO.VCD LOT.VCD Pause <------PSD.VCD " " " " Example ofaMPEGTrack: MPEG-2 ProgramStream TRACK #N MPEG-2 directory List Offsetvalues. List IDnumberswiththecorresponding Offset Table(LOT).TheLOT associates This 32sectorsfilecontains theListID LOT.VCD file maximum of256sectorsor512KB. the PSDmaybevariable,uptoa Sequence Descriptor(PSD).Thesizeof This filecontainsthedataforPlay PSD.VCD file disc. streams foreachMPEGtrackonthe system type,andnumberofaudio information asthePlayingtime,Video This filecontainscontentrelated TRARKS.SVD file as timesearch. tracks. Thisisusefullforfeaturessuch on aregulartimeintervalfortheMPEG addresses ofthenearestIntrapictures contains alistofAccessPointsector sector addressisnotfixed.Thisfile the relationbetweenplayingtimeand buffering usedinMPEG-2videocoding Due toVBRcodingandthenatureof SEARCH.DAT file chapter. playback forNEXT/PREVIOUS the MPEGtracks.It'salsousedatlinear PSD playlisttoaccessPlaysegmentsin Entry addressvaluesareusedbythe Audio/Video Tracksonthedisc.The start positionsofEntriesintheMPEG-2 This fileofoneSectorcontainsthelist ENTRIES.VCD file Sequence Descriptor(PSD). information associatedwiththePlay Audio/Video programs.Italsocontains series ofdiscswhichcontainrelated belonging tooneAlbum.AnAlbumisa and aprovisiontoidentifythediscs Super VideoCDsystemidentification This fileofonesectorcontainsthe INFO.VCD file "LOT.VCD". SVCD directoryare"PSD.VCD"and TRACKS.SVD. Optionalfilesinthe "ENTRIES.VCD", SEARCH.DATand directory are"INFO.VCD", required mandatoryfilesintheSVCD Super VideoCDInformationArea.The This directorycontainsthefilesfrom SVCD directory within thedirectoriesshown. Video CDdisc.Additionalfilescanexist ------> #N+1 4 21599 3122 783 0081 1 MPEG-2 computer basedsystems. in thisdirectory,usuallyintended for Other (CD-ROM)filesmaybe included be present Closed Captioninformationafileshall For eachtrackcontaininguserdatawith CAPTnn.DAT file. Segment Playitem. MPEG trackandforeachmotionpicture There isasectoraddresslistforeach corresponding time. looking upthesectoraddressfor address canbefoundinthelistby access intoaMPEGstreamthesector sector addresses.Forplayingtime This filecontainsalistofAccessPoint Used forplayingtimerelatedaccess. SCANDATA.DAT file This directorycontains: EXT directory Segment PlayItemNumber. "ITEMnnnn.MPG", where"nnnn"isthe represented byafilewiththename Items. EachSegmentPlayItemis the filesthatrepresentSegmentPlay This directoryisoptionalandcontains SEGMENT directory file inTracknumber2. to SequenceNumber1andistheonly the name"AVSEQ01.MPG"corresponds each recordedMPEGtrack.Thefilewith and areincrementedsequentiallyfor Numbers (nn)startswithnumber=01, Sequence Number.The "AVSEQnn.MPG", where"nn"isthe represented byafilewiththename Video Tracks.EachMPEG-2Trackis represent theMPEG-2encodedAudio/ This directorycontainsthefilesthat |-- EXT | | | | |-- SEGMENT | | | | |-- MPEG-2 | | | | | | | |-- SVCD ROOT |-- CAPTnn.DAT |-- SCANDATA.DAT |-- ITEMnnnn.MPG |-- ITEM0002.MPG |-- ITEM0001.MPG |-- AVSEQnn.MPG |-- AVSEQ02.MPG |-- AVSEQ01.MPG |-- LOT.VCD |-- PSD.VCD |-- TRACKS.SVD |-- SEARCH.DAT |-- ENTRIES.VCD |-- INFO.VCD audio frame.Forthecaseofstill PTS anddisplaydurationofthevideoor be interpolatedbasedontheprevious frames withoutanassociatedPTSwill Presentation timesforvideooraudio the VBRpacketscheduling. as inVideoCD2.0,butaredictatedby SCR valuesarenotalinearsetof which isassociatedwiththepacketID. is extractedandplacedintothedecoder taken fromthetrackbufferandpayload delivery timeinstancesofwhenapackis (SCR). Thesetime-stampsdescribethe common SystemClockReference Program Streaminreferencetoa Presentation TimeStamps(PTS)inthe streams isaccomplishedwith Synchronization amongtheElementary easier tocompress. used whenthevideooraudiocontentis difficult tocompress;andlessbitsare are usedtoencodesceneswhich the audioorvideocomplexity.Morebits adjusting thebitrateallocatedbasedon efficiency ofMPEG-2encoding,by method tosignificantlyincreasethe Variable BitRate(VBR)codingisa Elementary streamsinPESpackets. Overlay Graphicsdata,compressedin contains multiplexedVideo,Audio,and The MPEG-2ProgramStream(PS) horizontal_pixels x PAL NTSC TYPE VIDEO (track #nn+1) (track #3) (track #2) vertical_lines (segment item#nnnn) (segment item#2) (segment item#1) SVCD encodingformats. Formats forstill images FRAME RATE 29.97Hz 25Hz 704 x480 480 x NTSC RESOLU- 480 x576 480 x 704 x576 480 x576 TION PAL ms )tothecomplexityofsound by theencodereveryaudioframe(26.1 MPEG audiocanadaptthebitrateused between stereoandjointstereo. the audioModewithinoneSequence channels. Itisonlyallowedtochange application oftheMPEGAudio language. Thetablebelowshowsthe will inthiscasecontainthedefault quality. TheMPEGAudiochannelCH-0 without compromisingvideo/audio can beusedfortwoseparatelanguages For generalusethedualchannelmode the vocalpart. will inthiscasecontainthemusicwith vocal part;MPEGAudiochannelone the otherchannelmusicwith the musicwithoutvocalpartandin music programs,withinonechannel channel modeonlyisusedforspecial one (CH-1).ForKaraokeusethedual audio channelasMPEGAudio Audio Channelzero(CH-0)andtheright audio channelisencodedasMPEG by theuser.Inaudiostreamleft streams. Theaudiostreamisselectable The PSstreammaycontaintwoaudio MPEG AUDIOformat Frame; seeISO13818-2. shall beencodedasanMPEG-2Intra for MotionPictures.Eachstillpicture Pictures arethesameasthosespecified The packandpacketstructureforStill Main Level(MP@ML)shallapply. defined byMPEGfortheMainProfileat the codingofvideo,constraints stream isstoredinMPEGsectors.For track totrack.Theencodedvideo however encodingmaychangefrom from PALorNTSCsourcevideodata, encoded discs,namelyeither There arebasicallytwotypesofVideo MPEG-2 VIDEOformat for everygraphicspage. graphics overlay,aPTSshallbecoded still pictureframe.Forthecaseof pictures, aPTSshallbecodedforevery single_channel dual_channel joint_stereo frequency MPEG1 (ISO11172-3) audioformats Sampling Bit Rate mode = mode = mode = mode = stereo Layer Field (may varyfromframeto between 32and192 between 64and between 64and between 64and layer IIonly Super VideoCD 44.1 kHz 384kbps 384kbps 384kbps frame) Value kbps 5 21599 3122 783 0081 1 Super VideoCD One formotionvideo,andoneOGT. based ontwoseparatevideoplanes; picture quality.Theencodermodelis selectable languageandimproved in thedecoder,whichallowsfor video picturebeforeencoding,butmixed graphics andtextarenotputintothe The mainadvantageofOGTisthatthe song lyricsorotherpicturehighlighting. provided, toallowforhighlightingof and transparency.Multi-colorsupportis screen resolutionoverlaywith4colors, subtitling andKaraokelyrics.Itisafull for twomainapplications,namelyMovie The OverlayGraphicslayerisdesigned Overlay GraphicsandText(OGT) Overlay Graphicdatastream. streams aredefinedspeciallyforthe and semanticsfortheseadditionaldata defined inISO/IEC13818,thesyntax data streams.Becausethesearenot Stream maycontainotherelementary Besides videoandaudio,aProgram Private DataStreams MPEG-2 multi-channeldecoder. audio signal.Soit’sanoptiontoadda audio fromthemulti-channelMPEG-2 decode thebasicstereo(leftandright) with MPEG-1.AMPEG-1decoderwill IEC 13818-3),andisfullycompatible in theMPEG-2Audiostandard(ISO/ Compatible audio.Thismodeisdefined 2 multi-channel(5+1)Backwards a 5.1channelaudiosourcewithMPEG- MPEG-1 Audio,oroptionallybycoding encoded two-channelaudiosourcewith by codingaDolbySurroundmatrix Surround Soundcaneitherberealized typical gainis30to40%. for themostcomplexpieceofsound.A constant bitrate(CBR)theisset average soundcomplexity,butat average bitratecorrespondtothe higher one.WhenVBRisused,the bit rate,whilecomplexsoundrequirea Simple piecesofmusicdemandalow must supportthis. on thedisc,butdecoderinplayer be encoded.TheuseofVBRisoptional Emphasis Sampling frequency mode =joint_stereo mode =stereo mode =dual_channel mode =single_channel Bit Rate Protection bit Layer CH-1 CH-0 Stereo program Field Right Left MPEG-1 Audio(ISO 11172-3)constraints Audio channelencoding Special Karaokemusicprogram(dual_channelmode) information andclosedcaption User dataisusedtoencodescan USER data variables. storing scoresandotherapplication Interpreter anduseofvariablesfor for moreinteractivitybyaCommandList Play Listextensionshavebeendefined Items allowaStillPicturemode. Segment PlayItemArea. MPEG Sectorsandarerestrictedtothe Segment PlayItemsareencodedas enabling branchingunderusercontrol. implementing selectionmenusand PSD.VCD file,andisaListfor The SelectionListisusedinthe that aretobeplayedsequentially. The PlayListdefinesalistofItems NUMERIC, RETURN). PREVIOUS, DEFAULTSELECTION, response touseractions(NEXT, or commandlists.Theplayermust extended toincludehotspotinformation sequences. TheSelectionListmaybe menu systemsforuserselectionof inputs, andmaybeusedtoimplement the playerinresponsetovarioususer The SelectionListdefinestheactionof · · · · may beoneofthefollowingitems that areplayedinsequence.APlayItem The PlayListdefinesalistofItems Selection List,andtheEndList. basic controlstructuresi.e.thePlayList, interaction. ThePSDcontainsasetof sequences withuserselectionand enables theplaybackofpreprogrammed This isasetofcontrolstructuresthat Play SequenceDescriptor(PSD) Video picture. The OGTpageisdisplayedontopofthe MPEG Audio Motion Picture;withorwithout MPEG Audiowithnopictures. Audio. Pictures; withorwithoutMPEG One, ormore,MPEGencodedStill Audio /VideoTrack. The wholeorpartofanMPEG (may varyfromframetoframe) Mono withoutvocal Mono withvocal between 32and192kbps between 64and384kbps between 64and384kbps between 64and384kbps CRC checkalwayson no emphasis layer IIonly 44.1 kHz Value autorun enablingfiles. The mainrootcouldcontainevenan contain suchapplicationandsetupfiles. The “EXT”directoryismentionedto the disctobeplayedonaPC. applications onthesamediscenabling the possibilitytoaddPCplayback CD-ROM-XA format.Thisformatallows The SuperVideoCDisbasedonthe PC PLAYBACK Motion PicturesandStillPictures. Scan Informationdataisusedforboth contain thestartofanIntrapicture. and backwardpointerstoSectorsthat Scan Informationdatacontainsforward the picturelayerofallIntrapictures. they mustbeincludedasuserdatain Information inUserdatagroups,and It ismandatorytoencodeScan Scan InformationData Video stream. data inthepicturelayerofMPEG disc itisonlyallowedtoencodeuser is mandatory.OnaSuperVideoCD information. TheScanInformationData 6 21599 3122 783 0081 1 cification issubjecttochangeswithout notice. ket. Duetocontinuousimprovements this not necessarilytobecomeavailable inthe The productsandservicesdescribed hereare spe- mar- preparation fordistribuution. this documentversion1.0isunder note: Atthemomentofpublication PSD. latter areOverlayGraphics,extended additional elementscomprisedbythe Video CDstandardversion1.0.The 62107 isafullsubsetofthisSuper present versionofthedocumentIEC (Super VideoCompactDisc).The resulted inthestandardIEC62107 The developmentofthisformatalso Japan). Company ofjapan,Ltd.(Yokohama, Corporation (Tokyo,Japan),andVictor Industrial Co.,Ltd(Osaka,Japan),Sony cooperation withMatsushitaElectric Netherlands) andhasbeenpreparedin Philips Electronics(Eindhoven,the Video CDstandardversion1.0byRoyal This documentisbasedontheSuper http://www.licensing.philips.com Fax: +31-40-2732113 The Netherlands 5600 JBEindhoven P.O. Box80002 Building SFF-8 Licensing Support & Licensing Philips SystemStandards Publisher Super VideoCD 7