Calista C1-9 Home Theater Chamber

1) An Echo Chamber (a room designed with very hard, non-parallel surfaces equipped with a speaker and microphone so that when dry signals from the console are fed to the speaker, the microphone will have a reverberation of these signals that can be mixed in with the dry signals at the console).
2) A program in a delay/reverb effects device that simulates the sound of an Echo Chamber.

Audio
Most often referring to electrical signals resulting from the sound pressure wave being converted into electrical energy.

Calista C3-S Security System Leakage
Sounds from other instruments and sources that were not intended to be picked up by the microphone.

Foldback
A European term for the signal sent to the stage monitors in a live performance.

Calista C2-88 Projector Ground Adapter Plug
Adapts a three pronged electrical plug to a two pronged wall outlet. This bypasses the ground and may create a hum in the system. A lack of a good ground can cause mild electrical shock when touching a microphone.

Level
The amount of signal strength; the amplitude, especially the average amplitude.

Diffraction
The breaking up of a sound wave caused by some type of mechanical interference such as a cabinet edge, grill frame, or other similar object. Bose

Link
(Said of compressors and dynamic processing units.) To combine the control input signals of two channels of a compressor (o

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