Brooks Audio Design Review KM 77 Harmonic Distortion

The presence of harmonics in the output signal of a device which were not present in the input signal.

Bass Roll Off
An electrical network built into some microphones to reduce the amount of output at bass frequencies when close-micing.

Brooks Cinema Series Byte
A grouping of eight information bits.

Delay (Digital, Analogue)
1) Effect used to create echo…echo…echo…echo…echo…
2) In more advanced systems used in very large venues, delay can be used to time the arrival of the signal to the speakers in the back of the room so that people in the back hear the sound coming from those speakers at the same time that the sound coming from the speakers in the front of the room arrives.

Brooks Cinema Projectors Foldback
A European term for the signal sent to the stage monitors in a live performance.

Icon
A visual picture or symbol on a computer screen that represents a file, program or disc that can be used.

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.

Channel
1) In multitrack tape machines, this term means the same thing as the term Track (one audio recording made on a portion of the width of a multitrack tape).
2) A single path that an audio signal travels or can travel through a device from an input to an output.

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