The Experiment

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					            The Experiment
        At Bang&Olufsen, Denmark
• Benchmark:
  -Three televisions
• Research question:
  – Evaluate the differences between the TV’s
    (for different attributes)
    • Attributes selected by subjects (group discussion)
    • Descriptive Analysis experiment
       Design of Experiment
• Three TV’s
• 15 attributes
• Four pictures
• Eight assessors (subjects)
• Two replicates
• Room Light level:
  approximately 5 lx.
• Three hours per subject plus 15 minutes
  training experiment
                       Setup
                             TV 1     TV 2             TV 3
• Three 32” LCD-TV’s:
• Factory settings                        6xH
• Behind black baffles:
  – Same visible area for
    all TV’s.                       Subject

  – Shortest measures of
    the 16:9 and 15:9
    screens, respectively.                      Door



                                    Media Room
Setup (2)
• Pictures:
  – Susie
  – Sailboat
  – Frozen Sea,
    Noise
  – Anita
                  The Attributes

•   Colour saturation
                         •   Flickering (stationary)
•   Colour balance
                         •   Flickering(movement)
•   Noise
                         •   Distortion
•   Depth
                         •   Dim glass effect
•   Sharpness
                         •   Cutting
•   Light level
                         •   Flossy edges
•   Contrast
                         •   Elastic effect
•   Sharpness of
    movement
GuineaPig 3 User Interface




 0.0   1.5          13.5   15.0

				
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posted:9/4/2012
language:English
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