Brooks KM 77 FOH (Front of House)

Refers to the speakers that face toward the audience. Also called the "main" speakers.

Chorus
Common type of effect that makes sounds fuller and thicker.

Brooks Audio Design QS 70 Delay
Outboard sound equipment that can momentarily stores a signal being sent to part of a P.A. system so that delayed reinforced sound reaches the audience at the same time as live sound from the stage.

I/O
Short for "Input/Output' and referring to:
1) An in-line console module that contains controls for the input section, output section and monitor section.
2) A module in electronic gear containing input and output amplifiers for the device.
3) A digital port (connector) able to both receive digital data and output digital data.

Brooks Cinema XB 33 Fade
1) A gradual reduction of the level of the audio signal.
2) A gradual change of level from one pre-set level to another.

Ground Lifter
An adapter that takes a three prong power cord and plugs into a two prong outlet, used to disconnect the third (ground) pin of the power outlet. WARNING: It can be VERY DANGEROUS to have no ground connection to the case by using a ground lifter and not grounding the unit by other means.

Barrier Micing
A method of placing the head of a microphone as close as possible to a reflective surface, preventing phase cancellation.

Critical Distance
The point a distance away from the sound source where the direct sound and the reverberant sound are equal in volume.

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