Brooks QS 70 Boundary Mic

A microphone mounted on a flat plate that acts as a reflective surface directing sound into the mic capsule. Used for general pick-up over a large area. See PCC, PZM.

Link
(Said of compressors and dynamic processing units.) To combine the control input signals of two channels of a compressor (o

Brooks Cinema XB 33 Critical Distance
The point a distance away from the sound source where the direct sound and the reverberant sound are equal in volume.

Far Field
The area from 3 feet away from the sound source up to the critical distance.

Brooks Cinema RM 909 Byte
A grouping of eight information bits.

Effects
Electronic boxes (usually rack mounted) added to a PA system to subtly change and enhance the signals going through it. Examples include; Reverb, Delay, Compressor, Chorus.

Clipping
Distortion of a signal by its being chopped off. An overload problem caused by pushing an amplifier beyond its capabilities. The flat-topped signal has high levels of harmonic distortion which creates heat in a loudspeaker and is the major cause of loudspeaker component failure.

Key
The control of a dynamics processing device by an external audio signal.