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33 relations: Acoustics, Alternating current, Amplifier, Analogue electronics, Attenuation, Audio crossover, Audio power amplifier, Bandwidth (signal processing), Boombox, Capacitor, Digital electronics, Digital signal processing, Electrical network, Electrical reactance, Electromagnetic interference, Electronic filter, Equalization (audio), Frequency, Guitar amplifier, Headphones, High-pass filter, Inductor, Loudspeaker, Low-pass filter, Operational amplifier, Passivity (engineering), Phonograph, Portable audio player, Public address system, Radio, Resistor, Signal, Sound recording and reproduction.
Acoustics
Acoustics is the branch of physics that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.
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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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Analogue electronics
Analogue electronics (also spelled analog electronics) are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels.
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Attenuation
In physics, attenuation or, in some contexts, extinction is the gradual loss of flux intensity through a medium.
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Audio crossover
Audio crossovers are a type of electronic filter circuitry used in a range of audio applications, to split up an audio signal into two or more frequency ranges, so that the signals can be sent to drivers that are designed for different frequency ranges.
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Audio power amplifier
An audio power amplifier (or power amp) is an electronic amplifier that reproduces low-power electronic audio signals such as the signal from radio receiver or electric guitar pickup at a level that is strong enough for driving (or powering) loudspeakers or headphones.
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Bandwidth (signal processing)
Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.
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Boombox
A boombox is a transistorized portable music player featuring one or two cassette tape recorder/players and AM/FM radio, generally with a carrying handle.
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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Digital electronics
Digital electronics or digital (electronic) circuits are electronics that operate on digital signals.
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Digital signal processing
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.
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Electrical network
An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).
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Electrical reactance
In electrical and electronic systems, reactance is the opposition of a circuit element to a change in current or voltage, due to that element's inductance or capacitance.
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Electromagnetic interference
Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.
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Electronic filter
Electronic filters are circuits which perform signal processing functions, specifically to remove unwanted frequency components from the signal, to enhance wanted ones, or both.
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Equalization (audio)
Equalization or equalisation is the process of adjusting the balance between frequency components within an electronic signal.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Guitar amplifier
A guitar amplifier (or amp) is an electronic device or system that strengthens the weak electrical signal from a pickup on an electric guitar, bass guitar, or acoustic guitar so that it can produce sound through one or more loudspeakers, which are typically housed in a wooden cabinet.
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Headphones
Headphones (or head-phones in the early days of telephony and radio) are a pair of small loudspeaker drivers worn on or around the head over a user's ears.
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High-pass filter
A high-pass filter (HPF) is an electronic filter that passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with frequencies lower than the cutoff frequency.
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Inductor
An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.
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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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Low-pass filter
A low-pass filter (LPF) is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency.
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Operational amplifier
An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.
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Passivity (engineering)
Passivity is a property of engineering systems, used in a variety of engineering disciplines, but most commonly found in analog electronics and control systems.
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Phonograph
The phonograph is a device for the mechanical recording and reproduction of sound.
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Portable audio player
A portable audio player is a personal mobile device that allows the user to listen to recorded audio while mobile.
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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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Radio
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
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Resistor
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
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Signal
A signal as referred to in communication systems, signal processing, and electrical engineering is a function that "conveys information about the behavior or attributes of some phenomenon".
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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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References
[1] https://en.wikipedia.org/wiki/Tone_control_circuit
