Calista C1-9 Home Theater Frequency

Practically speaking, high frequency means high pitch and low frequency means low pitch.

Infinite Repeat
A function on some delay lines that establish enough feedback so that the repeat echo will last forever, but not so much as to cause a howling sound.

Calista C2-88 Projector Line Level
1) An amplified signal level put out by an amplifier and used as the normal level that runs through the interconnecting cables in a control room.
2) A low level signal such as the signal in a guitar cord. Most parts of a PA require a line level signal. Remember, however, that speaker outputs are not line level. Plugging speaker outs into line ins will result in damage to the equipment

Insulator
A substance such as glass, air, plastic, etc., that will (for all practical purposes) not conduct electricity.

Calista C3-S Security System A/D
An abbreviation of Analog to Digital Conversion (the conversion of a quantity that has continuous changes into numbers that approximate those changes), or Analog to Digital Converter.

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

Keyboard Controller
A device that has the standard music keys of piano but puts out MIDI signals Bose

Format
1) The number of tracks, their width, spacing and order for tape recording.
2) To prepare a digital storage medium so that it will accept and store digital information bits.

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