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IEX8175 RF Electronics

IEX8175 RF Electronics. Avo Ots telekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst. avo.ots@ttu.ee. QoS. Problem. TV studio. Kaamera juht- seade. SDI vastu- võtja. SDI saatja. Halvem kvaliteet. Halvem kvaliteet. Pakkimise tegur. Pakkimise tegur. Parem

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IEX8175 RF Electronics

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  1. IEX8175 RF Electronics Avo Otstelekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst.avo.ots@ttu.ee

  2. QoS

  3. Problem

  4. TV studio Kaamera juht- seade SDI vastu- võtja SDI saatja

  5. Halvem kvaliteet Halvem kvaliteet Pakkimise tegur Pakkimise tegur Parem kvaliteet Parem kvaliteet Keerukus Latentsus Quality

  6. Edastuse juhtimine Kvanditud andmed Täis-kiiru-segaandmed Teisendus4:2:2 -> 8-bit 4:2:0 DCT Kvan-timine Entroopiakodee-rimine Puhver Pakitudandmed Info kadu. Andme-hulkvähenes. Poleinfo kadu. Andme-hulksama. Andme-hulkvähenes (info kadu) Andme-hulkvähenes (pole info kadu) MPEG

  7. Pay TV program ˇ Free TV program Content Download Streaming On-demand Carousel Non-live Live Clips Video on-demand Push and store Subscription

  8. Broadcast, DVB-H MBMS, 3G, LTE IPTV, 3G, LTE Unicast, 3G, LTE Mobile Network Fixed Network Mobile Network Mobile Network Broadcast Network Streams

  9. IP Datacast (data broadcasting)

  10. Protocols

  11. DVB Multiplexer -For LP MPEG-2 LP MUX • DVB-H Time Slice Terminal • Support for Time Slicing • Power saving MPEG-2 TV Service e MPEG-2 TV Service HP MPEG-2 TV Service MPEG-2 TV Service • Full DVB-H Terminal • Support both TS and MPE-FEC • Power saving and performance DVB-H IPE -Time Slicing -MPE-FEC IP-backbone • DVB-T Tx • DVB-H signalling DVB-T & DVB-H

  12. Audio Programm 1 Video PTS/DTS Audio Programm 2 Video MUX PTS/DTS Transpordivoog Transport stream Audio Programm 3 Video PTS/DTS PAT PMT NIT Multipleks

  13. New media divide • Kasutajad haldavad oma meedia kasutust. • “Minu aeg” (mitte reaalaeg) on kõige kiiremini kasvav meedia kasutus. • “I want what I want, when I want it, the way I want it.” • Reaalaeg vs “minu aeg” Real-time vs. “my time.”

  14. Provider Provider Networks In-home Network In-home Network TV-Anytime Gateway PVR removable media Networks PVR NDR Gateway control/content control DVD service providerscontent providers storage

  15. ISDB-BML content manager web-DVD Pictures discs Video editing EPG OCAP PVR Memory Card Internet Browsing MHP Picture Browsing MHEG Operating System and UNIVERSAL HOME API streaming A/V software streaming A/V software streaming A/V software streaming A/V software Architecture 3 … Architecture 1 Architecture 2 Architecture 4 Company C Company A Company B Company D Universal Home API • Application portability over multiple HW/SW platforms • Open Source implementation: UHAPI4Linux

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