Brooks QS 70 Graphic Equalizer

An device with several slides controlling the gain of audio signal present which is within one of several evenly spaced frequency bands (spaced according to octaves).

Crossover, Active
A rack mountable unit used to separate frequencies leaving the soundboard into high's, mids, and lows with different outputs for each.

Brooks GS 15 Compact Disc CD
A small optical disk with digital audio recorded on it.

Condenser Microphone
A microphone which converts sound pressure changes into changes of capacitance. The capacitance changes are then converted into electrical voltage variations (an audio signal).

Brooks BA 71 Attack
The rate the sound begins and increases in volume.

Comb Filter
1) The frequency response achieved by mixing a direct signal with a delayed signal of equal strength especially at short delays.
2) Loosely used to also describe effects that can be achieved with comb filtering as part of the processing.

ID
An index signal (digital data that gives the machine information of where selections start, their selection number, etc.) on a DAT or CD.

Compander
1) A two section device that is used in noise reduction systems. The first section compresses the audio signal, before it is recorded, and the second section, expands the signal after recording.
2) In Yamaha brand digital consoles, a signal processing function that applies both compression and expansion to the same signal.

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