Brooks QS-70 Analog Recording

A recording of the continuous changes of an audio waveform.

Bottom
The bass frequencies (as in "needs more bottom end").

Brooks QS - 95 Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.

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 AUDIO DESIGN Level
The amount of signal strength; the amplitude, especially the average amplitude.

Floor
1) An alternate tam meaning Range (a limit on the amount the signal is reduced when the input signal is low by an expander or gate).
2) A shortening of the term Noise Floor (the level of the noise).

Guitar Processor
A unit that will add effects to a direct guitar signal, including a simulated instrument amplifier sound and (often) delay and reverb effects.

Current
The amount of electron charge passing a point in a conductor per unit of time.