Brooks RM 909 Keyboard Controller

A device that has the standard music keys of piano but puts out MIDI signals

Frequency
Practically speaking, high frequency means high pitch and low frequency means low pitch.

Brooks Hi Fi reviews Line Input
An input designed to take a line level signal.

DC
Abbreviation for direct current.

Brooks RM 909 reviews Attack
The rate the sound begins and increases in volume.

Cue
1) The signal fed back to the musicians through headphones.
2) To set the tape or disc so that the intended selection will immediately play when the tape machine or player is started.
3) A location point entered into a computer controlling the playback or recording of a track or tape.
4) In MCI brand tape machines, a term meaning the same thing as Sync Playback (where the record head is used as a playback head for those tracks already recorded).

Cardioid Pattern
A microphone pick up pattern, which has maximum pick up from the front, less pick up from the sides, and least pick up from the back of the diaphragm.

Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal.