Review Article
A Survey of Standardized Approaches towards the Quality of Experience Evaluation for Video Services: An ITU Perspective
Table 3
Summary of viewing conditions.
| Parameter | Settings |
| Viewing distance | 1–8 times picture height |
| Peak luminance of screen | 100–200 cd/m |
| Ratio of luminance of inactive screen to peak luminance | ≤0.05 |
| Ratio of luminance of screen, when displaying only black level in a complete dark room to a peak white | ≤0.1 |
| Background room illumination | ≤20 lux |
|
|