Brooks RM 80 Echo Return

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

Electret Condenser
A condenser microphone that has a permanently polarized (charged) variable capacitor as its sound pressure level sensor.

Brooks Cinema KP 30 In
Short For "in the circuit," in other words "active."

Amplification
An increasing of signal strength.

Brooks Cinema RM 909 Expansion
The opposite of compression; for example, an expander may allow the signal to increase 2 dB every time the signal input increased by 1 dB.

Editing
1) Changing the sequence of a recording by cutting the recording tape and putting the pieces together in the new sequence with splicing tape.
2) Punching in and then punching out on one or more tracks of a multitrack tape recorder to replace previously recorded performances.
3) Changing the sequence of a digital recording's playback by computer program.

Board
1) Another, less formal, term for Console.
2) A set of controls and their housing which control all signals necessary for recording and for mixing.
3) A slang shortening of the term Keyboard Instrument.

Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal.