The switcher is the heart of the studio.
Production Switcher Flow Diagram
Take a look at the flow diagram of a switcher integrated into a simple video system. This switcher is very basic, and a lot has been left out to keep things as simple as possible. As you can see, this system has four cameras. Now follow the outputs of each camera. In each case, the output goes to a distribution amplifier and from there one output goes to a monitor and another goes to the production switcher.
Switcher Buses
You'll notice that at the switcher there are two rows of buttons, each row a duplicate of the other. These rows of buttons are called buses. They're what give you the ability to cut and dissolve between cameras.
Switcher Outputs
The switcher has two outputs. ...
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