The illumination refers to the type of lighting both structurally and the range of time when the frame is illuminated. Illumination encompasses both sunlight and artificially lighting. The illumination start and end time indicates the hour/minutes/seconds when a frame is illuminated. While the illumination type name indicates if it is naturally or artificially illuminated.
Standard Illumination Types:
There are four types of illuminations. Each one refers to a specific type of lighting which allows for the frame and subsequently the face to be seen.
Illumination Type Name | Illumination Type Description |
Sunlit Ambient | Surface illuminated by ambient natural sunlight |
Frontlit | Surface illuminated from the front by non-ambient source |
Backlit | Surface illuminated from the back by non-ambient source |
Artificial Ambient | Surface illuminated by ambient artificial light source |
Use Cases:
There are multiple ways a frame can be illuminated. If a frame is non-digital and has light features as illustrated in the first rexample below then this location has both artificial and natural lighting. The media operator will then need to indicate the hours of illumination which will include a start time and an end time. As well as the illumination type which in this case would be frontlit.
Below are several examples of the type of illumination available to media operators.
Goal:
To understand the different type of illuminations as well as the times in which frames can be seen by audiences passing the frame.
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