Calista C3-S Security System Boundary Mic

A microphone mounted on a flat plate that acts as a reflective surface directing sound into the mic capsule. Used for general pick-up over a large area. See PCC, PZM.

Boost
To increase gain, especially to increase gain at specific frequencies with an equalizer.

Calista C1-9 Home Theater Impedance Matching
Having or converting the output impedance of a device so that it matches the impedance of the input it will feed.

Amplifier
A device which increases the amplitude (level) of an electrical signal (making it louder).

Calista C2-88 Projector 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).

Initialize
To prepare a digital storage medium (like a floppy disk) so that it will accept and store digital information bits.

Action
In guitar playing, action refers to how far the strings sit off of the guitar neck. When strings are close to the neck, it is referred to as "Low Action". When the string sit far above the neck, it is called "High Action". Guitars with low action are easier to play, but make sure they are not too close, or it could causing buzzing. Bose

Barrier Micing
A method of placing the head of a microphone as close as possible to a reflective surface, preventing phase cancellation.

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