Calista C2-88 Projector I/O

Short for "Input/Output' and referring to:
1) An in-line console module that contains controls for the input section, output section and monitor section.
2) A module in electronic gear containing input and output amplifiers for the device.
3) A digital port (connector) able to both receive digital data and output digital data.

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

Calista C3-S Security System Echo Send Control
A control to send the signal from the input module to the echo chamber or effects device via the echo buss.

Hard Disk Recording
The recording of digital audio onto a hard disc.

Calista C1-9 Home Theater In-Line Console
A console with modules that have controls for all console sections in one long strip.

Hypercardioid Pattern
A microphone pick up sensitivity pattern where the least sensitive pick up point is more than 90 degrees but less than 150 degrees off axis (usually 120 degrees).

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

Electret Mic
A condenser microphone where the capacitor plates are given a charge during manufacture which they retain, therefore requiring no external power supply.

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