Mba 509   Understanding Aspect Ratios
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Mba 509 Understanding Aspect Ratios

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Mba 509   Understanding Aspect Ratios Mba 509 Understanding Aspect Ratios Presentation Transcript

  • Understanding Aspect Ratios
  • History
    • Aspect ratio: the relationship between the width and height of a film image
    • Late 1890s—Early 1950s
  • History
    • As television became more popular, movie theater attendance began to decrease
    • The film industry introduced wider (more “epic” aspect ratios
  • Examples
    • 1.85:1 (Academy Flat)
    • 2.35:1 (Scope/Panavision)
  • Origin of the “Black Bars”
    • “ Black bars” on the top and bottom of an image are the result of a mismatch between
      • The aspect ratio of the media
      • The aspect ratio of the viewing device
  • Origin of the “Black Bars”
    • Widescreen displays are not immune
  • Dealing with the discrepancy
    • Film studios regularly distribute two versions of a movie on DVD
      • Widescreen (aspect ratio preserved, “black bars”)
        • Also called “Letterbox” or “Original Aspect Ratio”
      • Full Screen (modified to fit a 4x3 screen)
        • Also called “Full Frame” or “Pan & Scan”
  • How to Tell the Difference
  • Summary
    • “ Aspect ratio” defined
      • 1.33:1
      • 1.85:1
      • 2.35:1
    • “ Black bars” described
    • Widescreen versus Full Screen