Broom RM 909 Binary

A numbering system based on two. In binary there are two symbols used ("l" and "0").

BPM
An abbreviation of Beat Per Minute (the number of steady even pulses in music occurring in one minute and therefore defining the tempo).

Brooks Cinema KM 22 Isolation Booth/ Isolation Room
A room that prevents loud sounds from other instruments from leaking in: an isolation booth is usually a smaller room that could be used for only one musician.

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

Brooks Cinema ZL 44 In
Short For "in the circuit," in other words "active."

Arc
The visible sparks generated by an electrical discharge.

Crossover (Crossover Network)
A set of filters that "split" the audio signal into two or more bands (two or more signals, each of which have only some of the frequencies present).

LED
A light that allows current to flow in one direction only and emits light whenever a voltage of a certain level or beyond is applied to it.