EDCI 718 Assignment David Riat
Goals <ul><li>Learn about HDTV </li></ul><ul><li>Use web searching skills </li></ul><ul><li>Apply multiplication skills </...
Please watch this short video… http://news.bbc.co.uk/media/avdb/news_web/video/9012da680047190/bb/09012da68004751e_16x9_bb...
HDTV Formats <ul><li>How many HDTV formats are there? </li></ul><ul><li>What are their names?  </li></ul><ul><li>Search th...
Progressive vs. Interlaced <ul><li>What does it mean when a HDTV format includes  an “I” or a “P” at the end?  </li></ul><...
Network TV and HDTV <ul><li>Do all the major networks broadcast the same type of HDTV format? </li></ul><ul><li>If not, wh...
Pixels <ul><li>Pixels are a unit of display – they refer to one “block” or square on the TV set. A screen is made up of ma...
Refresh Rate <ul><li>We learned that interlaced displays are refreshed at ½ the rate as progressive displays.  </li></ul><...
Comparisons / Conclusions <ul><li>For each of the HDTV formats that you identified, calculate how many pixels are displaye...
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Learning About Hdtv - EDCI718

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Learning About Hdtv - EDCI718

  1. 1. EDCI 718 Assignment David Riat
  2. 2. Goals <ul><li>Learn about HDTV </li></ul><ul><li>Use web searching skills </li></ul><ul><li>Apply multiplication skills </li></ul><ul><li>Develop a perspective on which HDTV format is best </li></ul>
  3. 3. Please watch this short video… http://news.bbc.co.uk/media/avdb/news_web/video/9012da680047190/bb/09012da68004751e_16x9_bb.asx © BBC 2009 All Rights Reserved ( http://www.bbc.co.uk/terms/ )
  4. 4. HDTV Formats <ul><li>How many HDTV formats are there? </li></ul><ul><li>What are their names? </li></ul><ul><li>Search the web and find out! </li></ul><ul><li>Write down your answers – you will need </li></ul><ul><li>them to complete this exercise </li></ul><ul><li>(Hint: http://www.hdtvfaq.org/hdtv-formats.html ) </li></ul>
  5. 5. Progressive vs. Interlaced <ul><li>What does it mean when a HDTV format includes an “I” or a “P” at the end? </li></ul><ul><li>How does this impact how the picture is displayed? </li></ul><ul><li>Which is better, interlaced or progressive? Why? </li></ul><ul><li>Hint: ( http://en.wikipedia.org/wiki/Progressive_scan ) </li></ul>
  6. 6. Network TV and HDTV <ul><li>Do all the major networks broadcast the same type of HDTV format? </li></ul><ul><li>If not, which HDTV format does ABC, CBS, NBC, and FOX use? </li></ul><ul><li>Hint: (try searching &quot;NBC HDTV format&quot;, for example) </li></ul>
  7. 7. Pixels <ul><li>Pixels are a unit of display – they refer to one “block” or square on the TV set. A screen is made up of many thousands (or millons) of pixels </li></ul><ul><li>The more pixels, the more refined the display is. </li></ul><ul><li>If I have a 1920*1080 display (1080p), how many pixels are on the screen? </li></ul>1 pixel
  8. 8. Refresh Rate <ul><li>We learned that interlaced displays are refreshed at ½ the rate as progressive displays. </li></ul><ul><li>How many times is each line of progressive display refreshed every second? </li></ul><ul><li>How many times is each line of an interlaced display refreshed every second? </li></ul><ul><li>If I have a 1080P display, how many pixels are displayed / refreshed in one second? </li></ul>
  9. 9. Comparisons / Conclusions <ul><li>For each of the HDTV formats that you identified, calculate how many pixels are displayed / refreshed in one second. </li></ul><ul><li>What does this tell you about which format is best? Rank the various network’s HDTV formats from best to worst. </li></ul><ul><li>NBC claims to broadcast “the highest possible resolution to our audience.” Is this true? </li></ul>
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