Calista C1-9 Home Theater Harmonic Distortion

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

Echo Chamber
1) A room designed with very hard, non-parallel surfaces and equipped with a speaker and microphone.
2) Any artificial or electronic device that simulates the reverberation created in a room.

Calista C3-S Security System Auxiliary Output or Send
An additional output from a sound desk that can be used for foldback or monitoring without tying up the main outputs. Each input channel will have a path to the Aux buss. Also used for feeding a signal to an effects processor. See Auxiliary Return.

Keyboard
1) Any musical instrument controlled by pressing a key.
2) The part of the computer that has the keys.

Calista C2-88 Projector 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.

Echo Send
The output of a console used to send a signal to an echo chamber or delay effects device.

Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal. Calista Reviews

Fundamental
The tuned frequency and (almost always) the lowest frequency that is present in the sounding of a pitch by a musical instrument.

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