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Acoustic transmission line

Index Acoustic transmission line

An acoustic transmission line is the use of a long duct, which acts as an acoustic waveguide and is used to produce or transmit sound in an undistorted manner. [1]

29 relations: Acoustics, Analogy, Bass (sound), Brass instrument, Celsius, Coupling, Electronics World, Frequency response, Hertz, Infrasound, International Monetary Fund, Irving M. Fried, Loudspeaker, Loudspeaker acoustics, Loudspeaker measurement, Metre, Pipe organ, Sound, Speaking tube, Subwoofer, Thiele/Small parameters, Timbre, Transmission line, Transmission line loudspeaker, Wavefront, Waveguide (acoustics), Wavelength, Wind instrument, Woodwind instrument.

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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Analogy

Analogy (from Greek ἀναλογία, analogia, "proportion", from ana- "upon, according to" + logos "ratio") is a cognitive process of transferring information or meaning from a particular subject (the analog, or source) to another (the target), or a linguistic expression corresponding to such a process.

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Bass (sound)

Bass describes tones of low (also called "deep") frequency, pitch and range from 16-256 Hz (C0 to middle C4) and bass instruments that produce tones in the low-pitched range C2-C4.

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Brass instrument

A brass instrument is a musical instrument that produces sound by sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player's lips.

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Celsius

The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).

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Coupling

A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power.

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Electronics World

Electronics World (Wireless World, founded in 1913, and in September 1984 renamed Electronics & Wireless World) is a technical magazine in electronics and RF engineering aimed at professional design engineers.

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Frequency response

Frequency response is the quantitative measure of the output spectrum of a system or device in response to a stimulus, and is used to characterize the dynamics of the system.

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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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Infrasound

Infrasound, sometimes referred to as low-frequency sound, is sound that is lower in frequency than 20 Hz or cycles per second, the "normal" limit of human hearing.

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International Monetary Fund

The International Monetary Fund (IMF) is an international organization headquartered in Washington, D.C., consisting of "189 countries working to foster global monetary cooperation, secure financial stability, facilitate international trade, promote high employment and sustainable economic growth, and reduce poverty around the world." Formed in 1945 at the Bretton Woods Conference primarily by the ideas of Harry Dexter White and John Maynard Keynes, it came into formal existence in 1945 with 29 member countries and the goal of reconstructing the international payment system.

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Irving M. Fried

Irving M. "Bud" Fried was one of the well known American audiophiles of the "Golden Age" of stereophonic reproduction such as Saul Marantz and David Hafler.

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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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Loudspeaker acoustics

Loudspeaker acoustics is a subfield of acoustical engineering concerned with the reproduction of sound and the parameters involved in doing so in actual equipment.

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Loudspeaker measurement

Loudspeaker measurement is the practice of determining the behavior of loudspeakers by measuring various aspects of performance.

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Metre

The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).

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Pipe organ

The pipe organ is a musical instrument that produces sound by driving pressurized air (called wind) through organ pipes selected via a keyboard.

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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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Speaking tube

A speaking tube or voicepipe is a device based on two cones connected by an air pipe through which speech can be transmitted over an extended distance.

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Subwoofer

A subwoofer (or sub) is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass and sub-bass.

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Thiele/Small parameters

Thiele/Small parameters (commonly abbreviated T/S, or TSP) are a set of electromechanical parameters that define the specified low frequency performance of a loudspeaker driver.

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Timbre

In music, timbre (also known as tone color or tone quality from psychoacoustics) is the perceived sound quality of a musical note, sound or tone.

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Transmission line

In communications and electronic engineering, a transmission line is a specialized cable or other structure designed to conduct alternating current of radio frequency, that is, currents with a frequency high enough that their wave nature must be taken into account.

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Transmission line loudspeaker

A transmission line loudspeaker is a loudspeaker enclosure design (topology) that uses an acoustic transmission line within the cabinet, compared to the simpler enclosures used by sealed (closed) or ported (bass reflex) designs.

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Wavefront

In physics, a wavefront is the locus of points characterized by propagation of positions of identical phase: propagation of a point in 1D, a curve in 2D or a surface in 3D.

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Waveguide (acoustics)

An acoustic waveguide is a physical structure for guiding sound waves.

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Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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Wind instrument

A wind instrument is a musical instrument that contains some type of resonator (usually a tube), in which a column of air is set into vibration by the player blowing into (or over) a mouthpiece set at or near the end of the resonator.

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Woodwind instrument

Woodwind instruments are a family of musical instruments within the more general category of wind instruments.

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References

[1] https://en.wikipedia.org/wiki/Acoustic_transmission_line

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