Calista C3-S Security System Decibel (dB)

1) Relative measurement for the volume (loudness) of sound. Also used to measure the difference between two voltages, or two currents. See Zero dB.
2) A numerical expression of the relative loudness of a sound. The difference in decibels between two
sounds is ten times the common logarithm of the ratio of their power levels.

Electromagnetic Field
Magnetic energy put out because of current travelling through a conductor.

Calista C1-9 Home Theater AES
An abbreviation of Audio Engineering Society.

Hall Program
A setting of a digital delay/reverb effects unit that approximates concert halls. Hall programs are characterized by pre-delay of up to 25 ms.

Calista C2-88 Projector Clip
The action of deforming a waveform during overload.

Buss (Bus)
A wire carrying signals to some place, usually fed from several sources.

Balls
1) The depth and thickness of a sound, usually on the bottom end of the EQ (as in "needs more balls"). 2) The strength of the voice on the mic (as in "check it like you have some balls"). Bose

Error Message
A prompt on a computer screen telling the operator that an error has occurred.

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