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47 relations: A (musical note), A♯ (musical note), Alternating current, Amplifier, B (musical note), Band-stop filter, Bass guitar, C (musical note), Cathode ray tube, Cheater plug, Corona discharge, Digital watermarking, Dub music, Electric current, Electric guitar, Electrical grid, Electrical impedance, Electromagnetic field, Electromagnetic induction, Forensic science, Fundamental frequency, G (musical note), Gain (electronics), G♯ (musical note), Glitch (music), Ground (electricity), Ground lift, Ground loop (electricity), Guitar Player, Harmonic, Hertz, Humbucker, Loudspeaker, Magnetostriction, Mains electricity, Noise (electronics), Pickup (music technology), Power supply, Public address system, Rectifier, Sound, Sound recording and reproduction, Transformer, Utility frequency, Vacuum tube, Valve amplifier, Video.
A (musical note)
La or A is the sixth note of the fixed-do solfège.
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A♯ (musical note)
A (A-sharp), or la dièse, is the eleventh semitone of the solfege.
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Alternating current
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
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Amplifier
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).
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B (musical note)
B, also known as Si, Ti, or, in some European countries, H, is the seventh note of the fixed-Do solfège.
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Band-stop filter
In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels.
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Bass guitar
The bass guitar (also known as electric bass, or bass) is a stringed instrument similar in appearance and construction to an electric guitar, except with a longer neck and scale length, and four to six strings or courses.
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C (musical note)
C (Do, Do, C) is the first note of the C major scale, the third note of the A minor scale (the relative minor of C major), and the fourth note (F, A, B, C) of the Guidonian hand, commonly pitched around 261.63 Hz.
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Cathode ray tube
The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.
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Cheater plug
A cheater plug, AC ground lifter or three-prong/two-prong adapter is an adapter that allows a NEMA 5-15P grounding-type plug (three prongs) to connect to a NEMA 1-15R non-grounding receptacle (two slots).
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Corona discharge
A corona discharge is an electrical discharge brought on by the ionization of a fluid such as air surrounding a conductor that is electrically charged.
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Digital watermarking
A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as an audio, video or image data.
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Dub music
Dub is a genre of music that grew out of reggae in the 1960s, and is commonly considered a subgenre,Dub: soundscapes and shattered songs in Jamaican reggae, p.2 though it has developed to extend beyond the scope of reggae.
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Electric current
An electric current is a flow of electric charge.
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Electric guitar
An electric guitar is a guitar that uses one or more pickups to convert the vibration of its strings into electrical signals.
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Electrical grid
An electrical grid is an interconnected network for delivering electricity from producers to consumers.
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Electrical impedance
Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.
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Electromagnetic field
An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects.
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Electromagnetic induction
Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field.
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Forensic science
Forensic science is the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standards of admissible evidence and criminal procedure.
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Fundamental frequency
The fundamental frequency, often referred to simply as the fundamental, is defined as the lowest frequency of a periodic waveform.
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G (musical note)
Sol, so, or G is the fifth note of the fixed-do solfège starting on C. As such it is the dominant, a perfect fifth above C or perfect fourth below C. When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of middle G (G4) note is approximately 391.995 Hz.
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Gain (electronics)
In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal.
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G♯ (musical note)
G♯ (G-sharp) or sol dièse is the ninth semitone of the solfège.
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Glitch (music)
Glitch is a genre of electronic music that emerged in the late 1990s.
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Ground (electricity)
In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth.
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Ground lift
In sound recording and reproduction, ground lift or earth lift is a technique used to reduce or eliminate ground-related noise arising from ground loops in audio cables.
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Ground loop (electricity)
In an electrical system, a ground loop or earth loop occurs when two points of a circuit both intended to be at ground reference potential have a potential between them.
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Guitar Player
Guitar Player is an American popular magazine for guitarists, founded in 1967 in San Jose, California, United States.
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Harmonic
A harmonic is any member of the harmonic series, a divergent infinite series.
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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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Humbucker
A humbucking pickup, humbucker, or double coil, is a type of electric guitar pickup that uses two coils to "buck the hum" (or cancel out the interference) picked up by coil pickups caused by electromagnetic interference, particularly mains hum.
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Loudspeaker
A loudspeaker (or loud-speaker or speaker) is an electroacoustic transducer; which converts an electrical audio signal into a corresponding sound.
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Magnetostriction
Magnetostriction (cf. electrostriction) is a property of ferromagnetic materials that causes them to change their shape or dimensions during the process of magnetization.
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Mains electricity
Mains electricity (as it is known in the UK; US terms include grid power, wall power, and domestic power) is the general-purpose alternating-current (AC) electric power supply.
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Noise (electronics)
In electronics, noise is an unwanted disturbance in an electrical signal.
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Pickup (music technology)
A pickup is a transducer that captures or senses mechanical vibrations produced by musical instruments, particularly stringed instruments such as the electric guitar, and converts these to an electrical signal that is amplified using an instrument amplifier to produce musical sounds through a loudspeaker in a speaker enclosure.
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Power supply
A power supply is an electrical device that supplies electric power to an electrical load.
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Public address system
A public address system (PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment.
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Rectifier
A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.
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Sound
In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.
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Sound recording and reproduction
Sound recording and reproduction is an electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects.
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Transformer
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
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Utility frequency
The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power station to the end-user.
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Vacuum tube
In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.
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Valve amplifier
A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal.
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Video
Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.
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50-cycle hum, 50hz hum, 60 Hz hum, 60 hz hum, 60hz hum, Cycle hum, Electric hum, Ground hum, Ground loop hum, Hum bar, Humbucking, Power line hum, Transformer hum.
References
[1] https://en.wikipedia.org/wiki/Mains_hum
