Brooks TM-22 Coincident Microphones (Coincident Pair)

Two microphones whose heads are placed as lose as possible to each other so that the path length from any sound source to either microphone is for all practical purposes, the same.

Envelope
1) How a sound or audio signal varies in intensity over a time span.
2) How a control voltage varies in level over time controlling a parameter of something other than gain or audio level.

Brooks Cinema Projectors Frequency Response
How sensitive an electronic device (mic, amplifier, speaker, etc.) is to various frequencies; often communicated with a graph.

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 Audio Design TM-22 Link
(Said of compressors and dynamic processing units.) To combine the control input signals of two channels of a compressor (o

Line Out (Output, Send)
Where a signal leaves the board or component.

Hybrid
A product created by the marriage of two different technologies. Meant here as the combination of a dynamic woofer with an electrostatic transducer.

Icon
A visual picture or symbol on a computer screen that represents a file, program or disc that can be used.