[e-mail]

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?????????
????????????????? ???????????????

• ???
• ?????????????
• ymyeh_at_csie.ntnu.edu.tw

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????

• ????????
• ???????? vs. ????????
• ????(CableTV) vs.????(IPTV)
• ????vs. ????(DAB)
• ???????
• ????(IPTV)
• ??????(DVB-T)
• ????????(DVB-H)
• ????(DAB)

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????????

• ?????????,??????????????????????,?????(??????????
  )????2010??????????????,???????????
• ?? 2004?7???????????????????(DVB-T15???????)
• ?? 2005?5???????(6????????18?????(DAB)?6????? )

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????????(1)

• ???????? vs. ????????
• ????????
• ????????
• ????(Cable) vs.????(IPTV)
• ????(CableTV)
• ????(IPTV)
• ????(AM/FM Radio)vs. ????(DAB)

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???????? vs. ????????

• ????????
• ??????????????????????????????????????????????,???
  ??????????????????????1900?,?television????????
• ?????1925?10?2????????????(John Logie
  Baird)?????????????????????????????,?????????????,
  ????????????,??????,???????(Vladimir
  Zworykin)?????(Westinghouse)???????????????
  (Wikipedia)
• ???????(John Logie Baird)?1928/7/3???????????19
  38/2/4????????

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?????

• ???????????????,???????????????1962?10?10?
• 1969?10?31????????????????
• ????????(??????),1971?10?31???,????

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????????

• ???????? ?????????????????????????
• ???ATSC(Advanced Television System Committee)??
• ???DVB-T(Digital Video Broadcasting-Terrestrial)??
  
• ???ISDB-T(Integrated Services Digital
  Broadcasting-Terrestrial)??
• ?????????????,??????????ATSC???,????ASTC???????,??
  ATSC????????????,???????????DVB-T???,???????2010??
  ???????????,???????????
• ???2008/5???HDTV(?????)??(Hi-HD??)

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?????????????
9
????????(2)

• ????(Cable) vs.????(IPTV)
• ?????????????????,???1993?8???????????1998?5?13?
  ,?????????????????????????????????????
• ???????(IPTV)???????2005?8????MOD(Media on
  Demand)???????????????
• YouTube?Video-Blog???????????
• ??????????2008/5?MOD?????HDTV(?????)HiHD??

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????(Cable) vs.????(IPTV)

• ???????????????,?MOD?????????????????????????

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????????(3)

• ????vs. ????(DAB)
• ???,?????????(AM?FM)????,????????????????????????F
  M?AM??????????,???????DAB???????????(multiplexing)
  ????????????(audio streaming),???????????(?FM102.8
  ??),????????????????????????,?????,???????????????
  ?????????
• AMFM??
• FM(1960?)??87.5 to 108.0 MHz AM(1920?)??153 to
  520KHz
• ????(DAB,Digital Audio Broadcasting
  DMB(DAB),Digital Multimedia Broadcasting)
• ?????1981????,1991??????????
• ???????????????????,??1.536MHz????????????????????
  ???,???????????????????

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?????????
13
????????
14
???????????
?????????
ADSL, FTTx
??????? MultimediaCar Platform(MCP)
NB
PDA/PKTPC
PC
ScreenPhone
SmartPhone
MobilePhone
Multimedia Home Platform (MHP)
??LivingRoom
??Yard
??Vehicle
????PublicStation
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????????
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????????????
17
???????????????
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????????

• ?????
• ??(1962)????????????
• ??(1969)???????????(?????)
• ??(1971)???????????
• ??????
• ??????????????????
• ???????????(???????????,?????)

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????????

• ??????????
• ???????????
• ????????? ??????
• ?????
• Penn State University?????(CableTV)
• ?????????????(??????)
• ??????????
• ????(TA)???????????????????????????????????

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????????

• ??????????????
• ????????
• ????????DVB-T, DVB-H
• ????????IPTV(Multicast), P2PTV
• ????
• ??????
• ????
• ????
• ???
• ????
• ?????

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???????

• ?????????????(Value Chain),????????????
• ????
• ?????????????
• ????
• ?????????????
• ????
• ??????
• ??????
• ?????????

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??????????

• 1. ?? ATSC 8-VSB ?? 6MHz ????
• ??MPEG-2?? Dolby AC-3?????
• 2. ?? DVB-T COFDM ?? 6/7/8 MHz ????,??????????
  DVB-T 6MHz
• ??????????(DVB-Satellite, DVB-S)?????????(DVB-Cabl
  e, DVB-C)?????????(DVB-Terrestrial,
  DVB-T)??????????DVB-H (DVB-Handheld)?
• DVB-T ???MPEG-2????????MPEG-2??
• 3. ?? ISDB-T COFDM ?? 6MHz ???? ( ?????? )
• ??????? (Digital Broadcasting Experts Group,
  DiBEG)?????1997?9?,?32?????????????

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??ATSC ??

• ?????????(Advanced Television Systems Committee,
  ATSC)?????1993?5?,????????200????????????,????????
  ???????????,???1996?12??,???????????????ATSC??????
  ?????????????
• ATSC?????,?????MPEG-2???????Dolby
  AC-3??,???????8?????(8-Level Vestigial Side-Band,
  8-VSB),??????6MHz??????????
• ??????6MHz?????????HDTV??
• ?????????????COFDM?????,??????????,ATSC?????????,?
  ??????????????????
• ??Dolby AC-3?????,???????
• ???????????

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??ISDB-T ??

• ??????? (Digital Broadcasting Experts Group,
  DiBEG)?????1997?9?,?32?????????????
• ??????DVB-T??,????????????,?????????????DVB-T??,??
  ??????DVB-T??4k????,????????????????????(Band
  Segmented Transmission-OFDM, BST-OFDM),???????????
  ?(Coded Orthogonal Frequency Divisional
  Multiplex, COFDM)???????,?????DVB-T????

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??DVB-T ??

• ??????(Digital Video Broadcasting)???1993???,?????
  ???300??????????????,?????????????????????????????
  ????(European Telecommunication Standard
  Institute, ETSI)???????????????(DVB-Satellite,
  DVB-S)?????????(DVB-Cable, DVB-C)?????????(DVB-Ter
  restrial, DVB-T)??????????DVB-H (DVB-Handheld)?

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??DVB-T ??(?)

• DVB-T?????,???MPEG-2????????MPEG-2??,?????????????
  ???(Coded orthogonal Frequency Division
  MultiplexingCOFDM),??????6Mhz / 7MHz / 8MHz

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DBV ????

• 1991 European Launching Group
• Milestone MoU
• Game rule for digital TV broadcasting
• 1993 Digital Video Broadcasting Project (DVB)
• Satellite(DVB-S) and Cable (DVB-C) delivered the
  first round of digital TV services, later
  terrestrial (DVB-T)

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DBV ????

• 1997 Europe promote around the world
• 2000 release DVB-MHP (Multimedia Home Platform)
  specification
• 2001 DVB 2.0 new DVB commercial and technique
  strategy
• 2004 DVB-H (handheld) formally adopted by ETSI
• 2005/4/18 wireless industry announced to support
  DVB-H

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??DVB-T ????(1)

• ???????(Single-Frequency Network,
  SFN),??????,?????????????????????,?????????????,??
  ???????,???????,??????????????????????????????????
  ???
• ????????????????????,?????????,?????????,??????,??
  ???,??????????,???????,???????????????????????????
  ???????????????,??????????????????????,??????,???
  ????????,?????????????????????????????????
• ????????????(Guard Band)??,??????????????????

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??DVB-T ????(2)

• ?DVB-RCT(Return Channel Terrestrial)??????,???????
  ????????????
• ??2k?8k???(Mode),????????????????,?????????
• ????(Multipath)?????,????????????,????,?????????,?
  ????????????
• ?????????????
• ????????????????,?????????
• DVB??HDTV , SDTV
• Interlaced and progressive
• 43 169 2.211 aspect ratio
• Resolution vary per channel and country
• Up to 1920x1152
• ???????????,??????????

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DVB-H

• ?DVB-H????DVB-T???????,??DVB-H?????,??????????????
  ??,?????PDA????????
• DVB-H??????????(Internet Protocol Data
  Casting,IPDC)???????,IPDC ??????????????,?????????
  IP?????,?????????????????????????????,????????????
  ?????????????????,???????????(????),?????????????

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?????????
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????IPTV

• IPTV,????????(Internet Protocol
  Television),??????????????????????????????????????
  ???VOD??????,???????????(?Web???IP??),????????????
  (Triple-Play),????????????????????????????????????
  ?????????????????IPTV???
• VOD ?? Real Time Streaming Protocol (RTSP)

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????????

• Generation 1 Traditional TV broadcast
• Audience is stationary
• Advertising revenues
• Generation 2 internet content and clips
• Reach broader audience
• Advertising revenues increase
• Generation 3 Mobile content
• Untapped markets
• Reach a broader audience throughout the day
• Advertising revenues increase plus additional
  opportunities for revenue

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??

• ??????????????????????
• ????????????????????,?????????????????????????

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