HDTV Michael James COMM 190 October 8, 2009
Brief History <ul><li>HDTV technology was introduced in the United States in the 1990s by the Digital HDTV Grand Alliance,...
Notation <ul><li>HDTV broadcast systems are identified with three major parameters: </li></ul><ul><li>Frame size  in pixel...
Comparison Picture
Components of a typical satellite HDTV system: 1. HDTV Monitor 2. HD satellite receiver 3. Standard satellite dish 4. HDMI...
HDTV in Sports <ul><li>Vizio is one of the leading LCD/HDTV brands, and their relationship with ESPN has launched them int...
Costs and Future of HDTV <ul><li>Tube (CRT): $500 - $1000 for 30” - 34”  </li></ul><ul><li>Flat Panel: $1500 - $2500 for 3...
 
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HDTV PP

  1. 1. HDTV Michael James COMM 190 October 8, 2009
  2. 2. Brief History <ul><li>HDTV technology was introduced in the United States in the 1990s by the Digital HDTV Grand Alliance, a group of television companies and MIT. Field testing of HDTV at 199 sites in the United States was completed August 14, 1994. </li></ul><ul><li>The first public HDTV broadcast in the United States occurred on July 23, 1996 when the Raleigh, NC television station WRAL-HD began broadcasting from the existing tower of WRAL-TV south-east of Raleigh, winning a race to be first with the HD Model Station in Washington, D.C., which began broadcasting July 31, 1996. </li></ul>
  3. 3. Notation <ul><li>HDTV broadcast systems are identified with three major parameters: </li></ul><ul><li>Frame size in pixels is defined as number of horizontal pixels × number of vertical pixels , for example 1280 × 720 or 1920 × 1080 . Often the number of horizontal pixels is implied from context and is omitted. </li></ul><ul><li>Scanning system is identified with the letter p for progressive scanning or i for interlaced scanning. </li></ul><ul><li>Frame rate is identified as number of video frames per second. For interlaced systems an alternative form of specifying number of fields per second is often used. </li></ul>
  4. 4. Comparison Picture
  5. 5. Components of a typical satellite HDTV system: 1. HDTV Monitor 2. HD satellite receiver 3. Standard satellite dish 4. HDMI cable, DVI-D and audio cables, or audio and component video cables 4.0+ meters 42&quot; - 55&quot; inches 3.5 - 4.0 meters 32&quot; - 42&quot; inches 2.5 - 3.5 meters 26&quot; - 32&quot; inches 1.5 - 2.5 meters 15&quot; - 26&quot; inches Viewing distance Screen size
  6. 6. HDTV in Sports <ul><li>Vizio is one of the leading LCD/HDTV brands, and their relationship with ESPN has launched them into the forefront of putting sports events in HDTV </li></ul><ul><li>http://www.youtube.com/watch?v=IYkcjiWV0Z4 </li></ul><ul><li>YouTube now allows users to post videos in high quality, similar to high definition, making it possible to watch highlights and other clips with more clarity than ever </li></ul><ul><li>http://www.hdsportsguide.com/ posts a daily schedule of games/matches you can find in HD </li></ul>
  7. 7. Costs and Future of HDTV <ul><li>Tube (CRT): $500 - $1000 for 30” - 34” </li></ul><ul><li>Flat Panel: $1500 - $2500 for 37” - 42” </li></ul><ul><li>Projection: $1000 - $2000 for 40” – 50’’ </li></ul><ul><li>iTunes now offers videos in HD – movies and TV shows – all for a large percentage higher in terms of cost than their standard definition videos. </li></ul><ul><li>Currently, two formats are competing for the next generation of high definition DVD players: the HD-DVD standard, developed by Toshiba and NEC, and Blu-Ray, developed by Sony. Each group has a backing of diverse constituents from the video and PC industries as well as Hollywood studios. </li></ul>

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