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MarkMark GrayGray TelevisionTelevision
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•1987: U.S. not factor re: Advanced TV - Advanced Television Systems Committee appointed - then Grand Alliance •1996: FCC’s DTV transmission standard adopted -based on Grand Alliance digital system •1997: DTV service rules, second broadcast channel, and deployment schedule established DigitalDigitalDigital TelevisionTelevisionTelevision
• 27 Broadcasters on air by 11/1/98, plus networks to feed them • Network affiliates in top ten markets: by 5/1/99 • Affiliates in markets 11-30: by 11/1/99 • All other commercial stations have 5 years (from 4/97) •All non-commercial stations have 6 years ScanningScanningScanning FormatsFormatsFormats • NTSC: 525 scanning lines • Grand Alliance: Incorporates both interlaced (as TV today) and progressive (as in computers) scanning • Ultimate goal: 1000+ lines progressively scanned (Electronic 35mm film) •facilitates interoperability and HDTV •Not feasible today, but soon? HowHowHow HighHighHigh isisis DefinitionDefinitionDefinition AA TechnoTechno-Religious-Religious ArgumentArgument • High Defintion (HDTV) •1,080 scanning lines and 1,920 pixels per line, interlaced = 1.5Gb/s (CBS) •720 lines by 1920 pixels progressively scanned = 1.5Gb/s (ABC) •480 lines by 720 pixels progressive = 360Mb/s (Fox) • Standard Definition (SDTV) •480 lines by 960 pixels interlaced = 270Mb/s 60Hz60Hz DTVDTV FormatsFormats
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TheThe drivingdriving corecore ofof thethe professionalprofessional videovideo andand broadcastbroadcast industryindustry hashas been,been, isis andand willwill continuecontinue toto bebe thethe storagestorage ofof thethe mediamedia WavesWaves ofof TechnologyTechnology inin StorageStorage LeadLead IndustryIndustry GrowthGrowth Industry Giants
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“Classical” Emerging “Digital Environment Video” Video Tape Recorders Disk drive recorders Hybrid Design Production SwitchersMultiple FormatsDesktop workstations Telecine MachinesStorage Software based editing, Special Effects boxesNetworking special effects, paint, and Editing consoles File Interchangeaudio control Audio consoles Computer animation Colorizers and formatters Interactive/Internet TelevisionTelevisionTelevision WorldWorldWorld TodayTodayToday
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Business & Institutional $ 620
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$ 2,300 199819981998 WORLDWORLDWORLD PROFESSIONALPROFESSIONALPROFESSIONAL DIGITALDIGITALDIGITAL VIDEOVIDEOVIDEO STORAGESTORAGESTORAGE MARKETMARKETMARKET $3.0 Billion Growing at 25-30% MassMassMass StorageStorageStorage OpportunityOpportunityOpportunity • Production •HD storage needs 360-1500 Mb/s •SD storage needs 100-270Mb/s • Broadcast •HD @ 50-360Mb/s •SD @ 19-25Mb/s • Data Services •Data @ 1.2-4.2Mb/s •E-mail @ 1Kb/s •100 Pagers @ 100 Kb/s MassMass StorageStorage MultimediaMultimedia CommunicationCommunication FromFrom InternetInternet toto DigitalDigital TVTV
MarkMark GrayGray PlutoPluto TechnologiesTechnologies