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In this example, we will explore the signal flow of a hypothetical rock concert. For our example, this concert not only has a live audience, it is also being broadcast on live TV, and it is being recorded, with copies of the recording being sold to the public immediately after the concert is over. The signal from each microphone is therefore being sent to five places; the house sound system, the in-ear monitor system for the performers, the broadcast system, the recording system, and to the lobby, restrooms, and backstage areas so that people can hear the performance while outside the performance area.
The house sound system will be controlled from the "Front of House" position, also called the "Mix position." This position is usually located towards the back of the audience.
[[File:View from Front of House.jpg|thumb|The view from the Front of House Position.]] [[File:Arena_OB7.JPG|Arena Television OB8 working for the BBC at Wimbledon Tennis Championships, UK|thumb|left|An example of a broadcast truck.]] The in-ear monitor system will be controlled by a monitor mix engineer located in the wing on one side of the stage. It is necessary that the monitor mix engineer be able to communicate with the performers, so being in close proximity to them is essential. The broadcast mix will be controlled from a broadcast truck, located in the parking lot behind the performance venue. The recording system will be located in another truck, located next to the broadcast truck. The lobby, restroom, and backstage mix will be controlled from the Front of House position. To facilitate this, a device called a [[microphone splitter]] will be used. The microphone splitter serves several purposes; it will split the signal 5-ways, provide phantom power for condenser microphones and active DI boxes, and it will provide isolation between the 5 outputs, preventing ground loops.
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