Quality of experience » History » Version 5

NIESS, Marielle, 03/22/2015 12:06 PM

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h1. Quality of experience
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Firstly, the human has limitation of its physical capacity with the eyes and the ears, we cannot ear and see everything therefore we are not able to see/ears the imperfection introduces by the channel of communication. 
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Secondly, with the improvement of movies qualities, we are more and more reluctant to watch a movie in bad quality (480/576p) while 10 years before that was the the movie's quality.
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|_. Support Name |_. Year of Launch |_. Resolution |
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| VHS                   | 1970                    | 352x288 p    | 
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| DVD                   | 1995                    | 720x576 p    | 
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| Blu-Ray             | 2003                    | 1920x1080 p | 
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| 4K                     | about 2014          | 3840x2160 p | 
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The previous table shows us the resolution increase of movies during the latest years, therefore the quality of experience increase too.