Brooks Cinema XR 607 Electrons

Negatively charged particles, which revolve around the centre of atoms. The movement of such electrons down a conductor causes electrical current.

Highs
Short for the term High Frequencies (the audio frequencies from 6000 Hz and above).

Brooks Cinema RM 909 Headroom
1) The level difference (in dB) between normal operating level and clipping level in an amplifier or audio device.
2) A similar level difference between normal tape operating level and the level where the distortion would be 3%.
3) The difference, in decibels, between the peak and RMS levels in program material.

Keynote Number
A number assigned to each key of a synthesizer or controller keyboard that is transmitted in the MIDI signal.

Brooks TM-22 Ambience
The portion of the sound that comes from the surrounding environment rather than directly from the sound source.

AC
1) Abbreviation for alternating current.
2) An abbreviation of the term Alternating Current (electric current which flows back and forth in a circuit; all studio signals running through audio lines are AC).

Line Input
An input designed to take a line level signal.

CD-ROM
An abbreviation of the term Compact Disc, Read Only Memory (A Compact Disc used to store digital data, such as large programs, that can be read by a computer).