Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
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...
 
Upcoming SlideShare
Loading in …5
×

HDTV PP

444 views

Published on

  • Be the first to comment

  • Be the first to like this

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>

×