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An Introduction to Video and Audio Measurement, 3rd Edition by Peter Hodges

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CHAPTER 8 THE STUDIO

 

 

 

The previous chapter described the basic camera system and its set up. Now we shall extend this into studio multi-camera operation, plus other sources such as graphics and caption generators. These are typical studio facilities requiring level set-up and timing.

Signal levels

Picture levels may exceed the standard limits as described in Chapter 7. A camera may be able to handle an extended scene contrast range that reproduces as an extended video signal. Levels as high as 125% are not unknown. Where shooting conditions are not fully controllable in exterior locations with bright clouds in blue skies, extended contrast is an advantage. Modern CCD image sensors have a wide contrast acceptance and the signal processing ...

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