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Veering away from the imaginary line (axis) directly in front of the receiving end of a microphone. Measured as degrees of an angle. (For example, a sound coming from directly behind the microphone is said to be 180 degrees off-axis.)
1) The SMPTE time that will trigger a MIDI sequencer to begin. 2) The amount of position difference needed to get two reels to play the music in time.
The unit used to measure the amount of opposition (impedance) to electrical current flow in a signal or device. (See also “Impedance.”)
The mathematical relationship between voltage, current and resistance.
A prefix meaning “all.”
A setting that enables a MIDI device to recognize and respond to all MIDI channels at once.
In microphones, picking up evenly from all directions (sometimes also called “Nondirectional”). 2) In speakers, sending out the signal evenly in all directions.
The position directly in front of the diaphragm of a microphone, in line with its movement.
See “Operational Amplifier.”
An electrical circuit that is disconnected, interrupted or incomplete, preventing the flow of electricity.
(Sometimes called “Reference Level“) The maximum level that should not be exceeded in normal operation.
(Abbreviated “Op Amp“) An amplifying circuit used in most audio and electronic devices.
1) A tone generator in a synthesizer. 2) A device that puts out test tones at various frequencies.
1) Being similar to another signal in amplitude, frequency and wave shape but being offset in time by part of a cycle. 2) Having the opposite polarity.
Equipment that is used with, but is not a part of, a console.