1 / 11

STB for Interactive TV

STB for Interactive TV. 1998. 2.13 Jong-Uk Kim Humax Co. LTD. Set-Top Box. STB. Content Provider System. Service Provider System. Terrestrial. Human Machine Service Consumer (TV, VCR, PC). NIU (QPSK, QAM, VSB, OFDM, DMT). STU (MPEG-2, ATM, Video, Audio, Graphic).

gualtier
Download Presentation

STB for Interactive TV

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. STB for Interactive TV 1998. 2.13 Jong-Uk Kim Humax Co. LTD.

  2. Set-Top Box STB Content Provider System Service Provider System Terrestrial Human Machine Service Consumer (TV, VCR, PC) NIU (QPSK, QAM, VSB, OFDM, DMT) STU (MPEG-2, ATM, Video, Audio, Graphic) Satellite Satellite HFC Fiber LMDS MMDS xDSL WAN PSTN Service Consumer System

  3. Satellite IRD (STB H/W) DISH Smart Card CAM DRAM 512KB LNB SDRAM 2MB CVBS Video Encoder RGB S-Video Satellite Tuner QPSK Demod. FEC Decoder MPEG-2 TS Demux. MPEG-2 A/V Decoder Audio DAC L R OSD Controller DRAM 1MB 2400bps Modem IIC Controller Peripheral Control ASIC. CPU. Flash Mem 1MB LCD IR RS-232 IEEE 1284

  4. Network Interface • Terrestrial • OFDM, VSB • UHF, VHF, HDTV • No Return Channel • Satellite • QPSK • Ku-Band, Ka-Band • HFC • 64-QAM, 256-QAM (for Broadcasting and IB Data) • QPSK (for OOB Downstream and Upstream) • MMDS / LMDS/ LMCS • QPSK or QAM • 2.5GHz (MMDS), 28GHz (LMDS), LMCS (40GHz) • Return Channel • xDSL • CAP or DMT • using old PSTN, ADSL, VDSL

  5. Set-Top Unit • MPEG-2 Demultiplex • SI(Service Information) Processing • PID Filtering • Stream Synchronization • MPEG-2 A/V Decoder • MPEG-2 MP@ML • Teletext, Subtitle, OSD • Conditional Access System • Descrambler • Conditional Access Module • NDC, SECA, Irdeto, Viaccess, SA, Nagravision • CPU • 68K, MIPS, ARM, PowerPC • Peripheral • SmartCard, PCMCIA, Parallel/Serial Port • IEEE 1394, SCSI

  6. Interactive Service • Entertainment • Pay-TV, PPV, NVOD • MOD, Music On Demand, GOD, KOD, Delayed Broadcasting • Information • Internet Access, NOD, TV Listing, On-line Service • Content Production, Virtual CD-ROM • Home Office • Telework, Distance Learning • Electronic Street • Teleshopping, Home Shopping, Telemedicine • Communication • Video Telephony, Video Conferencing, E-mail

  7. STB for Interactive Service • Requirements • Flexible Network I/F : Satellite, Cable, LMDS, Terestrial • Return Channel : 56K Modem, Cable Modem, ADSL, LMDS • Large Memory : 8MB - 16MB (compared to 1MB - 2MB) • Mass Storage : 1GB - 2GB internal HD, External Interface(EIDE,SCSI) • High-Perform. Processor : >100MHz RISC Processor • High-Perform. Graphic : 2D-, 3D-Graphic, Full Color, TV Display(Flicker, Alias) • Audio : MPEG-2, AC-3, MIDI • User I/F : Wireless Keyboard, Laser Pointer, Joystick • Connectivity : IEEE 1394, USB, SCSI, EIDE, 10/100 Base-T • CAS : NDC, SECA, Irdeto, Viaccess, SA, Nagravision • Etc. : Smart Card, PCMCIA, CI • Operating System : WindowsCE, Java OS • Middleware : OpenTV, Mediahighway, Java VM • S/W : Web Browser, TCP/IP

  8. Interactive Cable IRD (STB H/W) Smart Card CI (PCMCIA) DRAM 512KB SDRAM 2MB CVBS Video Encoder RGB S-Video Audio DAC L QAM Demod. FEC Decod. MPEG-2 TS Demux. MPEG-2 A/V Decoder R Graphic Controller QPSK Demod. FEC Decod. ATM Dolby AC-3 Diplex SPDIF QPSK Modulator FEC Encoder CPU. DRAM 8MB Flash Mem 2MB Ethernet Controller 100 Base-T LCD IR RS-232 IEEE 1284 Wireless Keyboard Joy- stick IEEE 1394 USB SCSI

  9. Interactive TV (STB S/W) Application TeleBanking Home Shopping TV Guide Game PPV Web Browser NVOD Video Telephony Distance Learning Middleware (OpenTV, Java VM, Run Time Engine) Class Loader Event Manager Script Interpreter MHEG Interpreter Authenticator Down Loader DSM-CC U-U Libraries Real Time Operating System (pSOS+, OS-9, VxWorks) File System Memory Management Scheduler Process Management IPC Interrupt Graphic TCP,UDP/IP MPEG Stream Device Driver DSM-CC U-N Demultiplexing Descrambling Video Sound Modem IR Remocon Key Board Serial MAC EMM ECM Service Information Smart Card PCMCIA Tuner SCART Memory LCD IIC JoyStick

  10. Examples • Canal+ • MediaHighway+ • Java VM, MHEG, DSMCC, Web Browser • Philips & Sony (4Q 1998) • TPS • OpenTV1.1 (Thomson & Sun) • Common Interface • WebTV plus • Philips, Sony, Mitsubishi • 56Kbps Modem, 1GB HD • Enhanced TV • Oracle • Navio Web Browser

  11. Remarks • TV -> PC or PC -> TV • Higher Possibility of (PC -> TV) • PC will be remain PC • NC • NC for Office -> will be progressing • NC for Home -> may be included in STB • TV + STB • Interactivity will not be included in TV • STB • Will be More likely to NC • Will be major Multimedia Home Consumer

More Related