Brooks XS - 45 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.

Auxiliary Input or Return
A route back into the sound desk for a signal sent to a piece of outboard equipment via an auxiliary send.

Brooks Cinema XB 33 kHz
An Abbreviation of kilo-Hertz.

Inverse Square Law
Simply stated, the fact that in an un-obstructed area (like an open field) the sound pressure level will drop to half-pressure (-6 dB) every time the distance to the sound source is doubled.

Brooks Cinema Projectors Echo Return
An input of the console, which brings back the echo (reverberation) signal from the echo chamber or other echo effects device.

Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.

Grouping
1) Controlling the gain of several individual channels with a Group Fader.
2) The mixing together of several individual audio signals to send a mixed signal out of the console to record a track on a multitrack tape machine.

Fader
A control to control the gain of a channel on the console, thereby determining the level of the signal in that channel.