July 2013
Beginner
304 pages
7h 49m
English
Content preview from Location Lighting for TelevisionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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2
Lighting Basics
2.1 Psychology of Perception
How we see changes in scene brightness should be appreciated when lighting for television, film and theatre, namely the logarithmic nature of the eye/brain.
Logarithmic Perception
Most human perception operates in a logarithmic manner, e.g. changes in pitch, changes in loudness and also our perception of changes in brightness. What is meant by a logarithmic law? A logarithmic change, or progression, is when each succeeding term of a series of numbers is a common multiple of the previous one, for example:
The logarithmic scale of the changes produces a fixed increment scale, i.e. equal changes. ...
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