Elisha Attia Logtel from ANALOG 2 HDTV

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Television Evolution from Analog to HDTV

Television Evolution from Analog to HDTV

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  • 1. Television Broadcasting: Analog to HDTV By Elisha Attia elishaattia@yahoo.ca March 2010
  • 2. Felix the Cat First image broadcasted by RCA 1928
  • 3. Image ‘Capturing’ Device Matsushita Vidicon 1950’s Fairchild 2k x 2k CCD 2006
  • 4. Image ‘Reproducing’ Device Apple’s iPad 2010 1933
  • 5. Virtual Tour of a Television Station
  • 6. RADIO TO TELEVISION REVOLUTION - From early days TV gained tremendous POPULARITY - Need for: More Programs…More Networks… - Improve poor B&W quality; too often “Stand By” slide…. - Broadcast Coverage limitations What’s needed ? - Better Quality, Better Viewer Experience - Need Faster ‘Time to Air’ Production - Move LIVE SHOWS to TAPED PROGRAMS - Move STUDIO to MOBILE News and Story Gathering TV’s Business Model : How to pay for all that ?? TV ADVERTS ! Driving Force ?
  • 7. Play TV Ad 2009 Nielsen’s Report: “Today 54 % of US homes have more then 3 TV sets !”
  • 8. CBC Radio-Canada - Government Agency Since 1952 - 2008-2009 Operating Budget 1.7 B$: 1.1B$ Funding + 600M$ ADVERTISING REVENUE - Provide Satellite, Internet, Radio and Television Services - English, French and 8 Aboriginal Languages Networks - Canadian In-House Programming - 10,000 Employees - 27 Offices in Canada - 6 Time Zones - World largest broadcasting network
  • 9. Digital BROADCASTING STANDARDS EVOLUTION CAPTURE STORAGE PRODUCTION TRANSMISSION RECEPTION 1950’s 1970’s Analog TODAY 1990’s 1980’s NLE 1960’s A / B Roll Live
  • 10. VIDEO COMPRESSION TECHNOLOGY - File based Video - Central Storage - Water Markings - Interlaced / Progressive - Metadata - Lossless Editing - MJPEG - MPEG1 - MPEG-2 - MPEG-4 - H.263 - H.264/AVC - AVCHD - DV - HDV - HDTV
  • 11. SCREEN FORMATS, BIT RATES and RESOLUTIONS Bit Rates: 16 kbit/s Videophone 128 – 384kbit/s Video Conferencing 1.25 Mbit/s MPEG-1 1374 kbit/s VCD 5 Mbit/s MPEG-2 DVD 8 to 15 Mbit/s MPEG-4 HDTV 30 Mbit/s HD DVD 40 Mbit/s Blu-Ray DISC Resolutions: SDTV Standard-definition 480i NTSC 2 interlaced fields of 243 lines (analog 486i) SDTV Standard-definition 576i PAL 2 interlaced fields of 288 lines (analog 576i) EDTV Enhanced-definition television 480p 720×480 Progressive Scan EDTV Enhanced-definition television 576p 720×576 Progressive Scan HDTV High-definition television 720p 1280×720 Progressive Scan HDTV High-definition television 1080i 1920×1080 2 interlaced fields of 540 lines HDTV High-definition television 1080p 1920×1080 Progressive scan 4x3 16x9 Source ORC Feb 2010: “Study finds two-thirds of U.S. households have HDTV sets”
  • 12. Media Fixed to Mobile TECHNOLOGY CONVERGENCE BROADCAST - TELECOM Broadcast & Cable Telephones Telephony Wireline Information Technology Satellite & Terrestrial Wireless WebTV VOD eBroadcasting Digital TV WiFi / Wimax Portable Internet Digital Multimedia Broadcasting Mobile TV PDA Phone Voice and Data Integration
  • 13. Digital Television Presence ‘3 Screens’: Need for New Business Model… WHAT’S NEXT? (CES & NAB) “5% of U.S. buyers said they plan to buy a 3-D TV in the next 2 years ” Source ORC Feb 2010
  • 14. 2010 Vancouver Winter Olympics: 3 Billions TV viewers ! Thank you
  • 15. Contact Info: Elisha Attia 052 352 7700 elishaattia@yahoo.ca