Subjective Video Quality Testing

Various Viewing Modes

Steps for Subjective Video Testings

  • Use a Preloaded Uncompressed Test Patterns or Load Your Own

  • Record from any Digital or Analog Input

  • Input any File Format

  • Automatic Temporal and Spatial Alignment

  • Analyze Video Sequences Side-by-Side

  • View the 2 Video Sequences and Score them Yourself

Tools to Help You Every Step of the Way

ClearView plays two video sequences side-by-side on the same display, gives you many Viewing Tools, and allows you to decide which one looks better.

Multiple Viewing Tools are available - examples are shown above. The split point can be horizontal or vertical and it can be assigned to any arbitrary point.
  • Side-by-Side
  • Split Mirror (Butter Fly)
  • Seamless Split
  • A-B (straight difference of Luma, Chroma, or Both)
  • A-B Threshold (differences shown as an overlay)

Full play controls are available
  • Play
  • Shuttle - forward or backward at any speed from 0.1 to 2.0
  • Jog
  • Pause
  • Pixel Value Viewer to see the Y'CbCr or RGB values

For more Information on Subjective Measurements, read our White Paper.