Calista C2-88 Projector Ground Lift

A switch that breaks the connection between the ground point in one circuit and the ground point in another circuit.

Figure Eight Pattern
Another name for Bi-directional Pattern (microphone pickup pattern picking up best from the front and back of the diaphragm and not picking up from the side of the diaphragm).

Calista C1-9 Home Theater Bulk Dump
Short for System Exclusive Bulk Dump (a method of transmitting data, such as the internal parameters of a MIDI device to another MIDI device).

Early Reflections
The first echoes in a room, caused by the sound from the sound source reflecting off one surface before reaching the listener.

Calista C3-S Security System Guitar Processor
A unit that will add effects to a direct guitar signal, including a simulated instrument amplifier sound and (often) delay and reverb effects.

Layering
The recording (or playing) of a musical part with of several similar sound patches playing simultaneous.

Electret Condenser
A condenser microphone that has a permanently polarized (charged) variable capacitor as its sound pressure level sensor. Bose

House Sync
A synchronization signal such as SMPTE time code that is used by all recorders in the control room.

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Calista C1-9 Home Theater Bi

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