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Subfield of acoustical engineering
Loudspeaker acoustics is a subfield of acoustical engineering concerned with the design of loudspeakers. It focuses on the reproduction of sound and the
Loudspeaker_acoustics
French audio equipment manufacturer
L-Acoustics is a French manufacturer of loudspeakers, amplifiers, and signal processing devices. Headquartered in Marcoussis, south of Paris, the company
L-Acoustics
media related to Loudspeaker. Acoustic transmission line Audiophile Frequency response High-end audio Loudspeaker acoustics Loudspeaker measurement Lists
List of loudspeaker manufacturers
List_of_loudspeaker_manufacturers
Converts an electrical audio signal into a corresponding sound
Isobaric loudspeaker List of loudspeaker manufacturers Loudspeaker acoustics Long Range Acoustic Device (LRAD) Music center Parabolic loudspeaker Phase plug
Loudspeaker
Quantifying the behaviour of loudspeakers
Loudspeaker measurement is the practice of determining the behaviour of loudspeakers by measuring various aspects of performance. This measurement is especially
Loudspeaker_measurement
Sound playback device
An electrostatic loudspeaker (ESL) is a loudspeaker design in which sound is generated by the force exerted on a membrane suspended in an electrostatic
Electrostatic_loudspeaker
Thin vibrating membrane
In the field of acoustics, a diaphragm is a transducer intended to inter-convert mechanical vibrations to sounds, or vice versa. It is commonly constructed
Diaphragm_(acoustics)
Branch of physics involving mechanical waves
Acoustics is a branch of continuum mechanics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration
Acoustics
Loudspeaker enclosure design
A transmission line loudspeaker is a loudspeaker enclosure design which uses the topology of an acoustic transmission line within the cabinet, compared
Transmission_line_loudspeaker
Snell Acoustics was an American manufacturer of high-end loudspeakers which was founded by Peter Snell (1946–1984) in Massachusetts in 1976. In 1995,
Snell_Acoustics
British company specializing in audio equipment
as B&W, is a British company that produces consumer and professional loudspeakers and headphones. The company was founded in 1966 in Worthing, West Sussex
Bowers_&_Wilkins
Audible vibration that travels via pressure waves in matter
are generated by a sound source, such as a vibrating diaphragm of a loudspeaker. As the sound source vibrates the surrounding medium, mechanical disturbances
Sound
Acoustical component
A loudspeaker enclosure or loudspeaker cabinet is an enclosure (often rectangular box-shaped) in which speaker drivers (e.g., woofers and tweeters) and
Loudspeaker_enclosure
Data visualization technique
Spectra at different engine speeds when testing engines. Loudspeaker acoustics Loudspeaker measurement Glen, Stephanie (11 January 2018). "Waterfall Plot /
Waterfall_plot
American engineer and inventor (1901–1982)
fields of high-fidelity, digital music synthesis, microphones, loudspeakers, acoustics, radar, submarine communication, magnetic tape and noise reduction
Harry_F._Olson
American audio equipment manufacturer
premium 9-speaker system in the 2010 Chevrolet Camaro. Boston Acoustics produced home loudspeakers such as the E, HD, VR-M, VR, CR, Micro Reference, and Lynnfield
Boston_Acoustics
Danish manufacturer of high-end loudspeakers
Danish Audiophile Loudspeaker Industries (DALI A/S) is a Danish manufacturer of high-end loudspeakers. The company was founded in 1983 by Peter Lyngdorf
Danish Audiophile Loudspeaker Industries
Danish_Audiophile_Loudspeaker_Industries
Loudspeaker
Plasma speakers or ionophones are a form of loudspeaker which varies air pressure via an electrical plasma instead of a solid diaphragm. The plasma arc
Plasma_speaker
Speaker designed to reproduce sound accurately
related to Studio monitors. Loudspeaker acoustics List of loudspeaker manufacturers Digital room correction Room acoustics "Livin' Large". Mixonline. 1
Studio_monitor
Amplified sound system for public events
Reflections on Auditorium Acoustics", Sound and Vibration, volume 4, pp. 426–54 (196). Meyer, D., "Digital Control of Loudspeaker Array Directivity", J.
Sound_reinforcement_system
Branch of engineering dealing with sound and vibration
engineering dealing with sound and vibration. It includes the application of acoustics, the science of sound and vibration, in technology. Acoustical engineers
Acoustical_engineering
American engineer (1929–2013)
speaker systems available at the time. His research on acoustics led him to develop a stereo loudspeaker that would reproduce, in a domestic setting, the dominantly
Amar_Bose
Loudspeaker using an acoustic horn
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s). A
Horn_loudspeaker
Acoustic waveguide used to transmit sound
transmission line. Frequency response Loudspeaker acoustics Loudspeaker measurement Speaking tube Transmission line loudspeaker Reference speakers imf-electronics
Acoustic_transmission_line
Danish loudspeaker maker
Danish loudspeaker maker, founded in 1977. Dynaudio builds speakers using only their own drivers. Dynaudio has a subsidiary called Dynaudio Acoustics that
Dynaudio
Scientific study of sound perception
Psychoacoustics is an interdisciplinary field including psychology, acoustics, electronic engineering, physics, biology, physiology, and computer science
Psychoacoustics
Output of a dynamic system when given a brief input
get the impulse response. Impulse response loudspeaker testing was first developed in the 1970s. Loudspeakers suffer from phase inaccuracy (delayed frequencies)
Impulse_response
British audio equipment manufacturer
to the acoustics of loudspeakers. KEF was also an early-adopter of modern quality-control principles to driver manufacture. The first loudspeaker manufactured
KEF
When an object takes in energy from sound waves instead of reflecting them
Sound recording and reproduction Loudspeaker design Acoustic transmission lines Room acoustics Architectural acoustics Sonar Noise Barrier Walls An acoustic
Absorption_(acoustics)
Loudspeaker system in which the individual drivers share the same point or axis
A coaxial loudspeaker is a loudspeaker system in which the individual driver units radiate sound from the same point or axis. Two general types exist:
Coaxial_loudspeaker
Room designed to be completely echo free
subsequently called an anechoic chamber originated to allow testing of loudspeakers that generated such intense sound levels that they could not be tested
Anechoic_chamber
Chinese, former British manufacturer of hi-fi loudspeakers
Castle (formerly known as Castle Acoustics) is a British loudspeaker brand, established in 1973. Castle Acoustics takes its name and its logo from the
Castle_(company)
Liechtenstein audio equipment manufacturer
Engineering (I-INCE), the Association of Loudspeaker Manufacturing & Acoustics International ALMA, the Swiss Society of Acoustics SGA as well as the Association
NTi_Audio
Audio equipment manufacturer
widely used among respected loudspeaker brands, such as Aerial Acoustics, Apogee, Dali, JPW, Mission, Ruark, Snell Acoustics, Sony, Thiel, Vandersteen Audio
Vifa
Austrian microphone and headphone manufacturing company
AKG Acoustics (originally Akustische und Kino-Geräte Gesellschaft m.b.H., English: Acoustic and Cinema Equipment L.L.C.) is an acoustics engineering and
AKG_(company)
Technique for creating virtual acoustic environments
horizontal of the loudspeaker lines. This is particularly noticeable for the reproduction of ambiance. The suppression of acoustics in the rendition area
Wave_field_synthesis
Howling caused by a circular path in an audio system
amplifier, and loudspeaker, the acoustics of the room, the directional pick-up and emission patterns of the microphone and loudspeaker, and the distance between
Audio_feedback
Engineer involved in the recording, reproduction, or reinforcement of sound
Architectural acoustics is the science and engineering of achieving a good sound within a room. For audio engineers, architectural acoustics can be about
Audio_engineer
Resonance phenomena in sound and musical devices
mechanical resonance to the frequency range of human hearing, but since acoustics is defined in general terms concerning vibrational waves in matter, acoustic
Acoustic_resonance
American acoustician (1914–2016)
authored Acoustics, considered a classic textbook in this field, and its updated and extended version published in 2012 under the title Acoustics: Sound
Leo_Beranek
Sound-producing device
speaker enclosure in its simplest form is constructed by mounting a loudspeaker driver on a flat panel. The panel may be folded to conserve space. The
Dipole_speaker
First production electrostatic loudspeaker
The Quad Electrostatic Loudspeaker (ESL) is the world's first production full-range electrostatic loudspeaker, launched in 1957 by Quad Electroacoustics
Quad Electrostatic Loudspeaker
Quad_Electrostatic_Loudspeaker
American audio engineer
gigs he fabricated his own loudspeakers, and he determined to continue in this field, shifting his studies to focus on acoustics and electronics. In June
David_Gunness
Loudspeaker system composed of linearly-mounted, in-phase speakers
A line array is a loudspeaker system that is made up of a number of usually identical loudspeaker elements mounted in a line and fed in phase, to create
Line_array
an active high fidelity loudspeaker system which was developed by the Dutch Philips brand in the early 1970s. The loudspeakers have built-in amplifiers
Motional_Feedback
British loudspeaker manufacturing company
alternative, the unwieldily, but sonically superior Quad Acoustics Electrostatic Loudspeaker ("ELS") were simply too large and pricey for most audiophiles
Spendor
American audio engineer
Rudolph Thomas Bozak (1910–1982) was an audio electronics and acoustics designer and engineer in the field of sound reproduction. His parents were Bohemian
Rudy_Bozak
Physical structure for guiding sound waves
decks. Other examples include the rear passage in a transmission-line loudspeaker enclosure, the ear canal, and a stethoscope. The term also applies to
Acoustic_waveguide
Variable Room acoustics System, Reproduced Sound 2004 M. A. Poletti and R. Schwenke, “Prediction and Verification of Powered Loudspeaker Requirements for
VRAS
Small studio monitor loudspeaker originated by the BBC
pronounced separately, without the stroke) is a small studio monitor loudspeaker originated by the BBC for use by outside broadcast vans to ensure quality
LS3/5A
adequately interpreted as well as adjusted to the specific loudspeaker arrangement and acoustics of the respective concert hall. Birmingham ElectroAcoustic
Sound_diffusion
Loudspeaker cabinet design
Acoustic suspension is a loudspeaker cabinet design that uses one or more loudspeaker drivers mounted in a sealed box. Acoustic suspension systems reduce
Acoustic_suspension
Multi-purpose venue in the city of London, England
replaced by acoustical energy supplied by a loudspeaker. Each microphone and its associated loudspeaker was limited to the one frequency by placing the
Royal_Festival_Hall
Dutch electrical engineer and physicist (born 1956)
players. In 1984 he joined the Acoustics Group at Philips working on developing CAD tools and signal processing for loudspeaker systems. In 1994 he became
Ronald_Aarts
High-fidelity sound reproduction enthusiast
foam, and soundproofing. The interaction between the loudspeakers and the room (room acoustics) plays an important part in sound quality. Sound vibrations
Audiophile
American theater company
problems in rooms that arise from the interaction of sound from the loudspeakers with the surfaces in the room. MultEQ uses acoustical measurements in
Audyssey_Laboratories
Harbeth Audio Limited is a British manufacturer of high-fidelity loudspeakers based in Lindfield, West Sussex, England. The company was founded in 1977
Harbeth_Audio_Limited
Audio equipment manufacturer
2017, the company's establishment was prompted by the closure of the AKG Acoustics offices in Vienna, Austria. In 2025 the company has been acquired by DPA
Austrian_Audio
Fields of sound which spread less than most transmissions
create fields of sound which spread less than most (small) traditional loudspeakers. Several techniques are available to accomplish this, and each has its
Directional_sound
American engineer
acoustics with Altec Lansing. Improving on the Shearer Horn System, Hilliard worked with Jim Lansing and Blackie Blackburn to develop the loudspeaker
John_Kenneth_Hilliard
Set of electromechanical parameters
models of common loudspeaker configurations. In 1954 Leo L. Beranek of the Massachusetts Institute of Technology published Acoustics, a book summarizing
Thiele/Small_parameters
related to Loudspeaker. Audiophile Frequency response High-end audio List of loudspeaker manufacturers Loudspeaker acoustics Loudspeaker measurement
Voigt_pipe
Loudspeaker for low-pitched audio frequencies
A subwoofer (or sub) is a loudspeaker designed to reproduce low-pitched audio frequencies, known as bass and sub-bass, that are lower in frequency than
Subwoofer
lobing refers to the radiation pattern of a combination of two or more loudspeaker drivers at a certain frequency, as seen looking at the speaker from its
Acoustic_lobing
Sound transmission method
sound, so that it propagates in a much narrower beam than any normal loudspeaker system using audio frequencies. Most of the work was performed in liquids
Sound_from_ultrasound
American engineer (1904–2002)
proved popular. The resulting acoustics career of Klipsch spanned from 1946, when he founded one of the first U.S. loudspeaker companies, to 2000 when the
Paul_Wilbur_Klipsch
Addition of sound to reduce distraction
principal parameters are as follows (known as the 'ABC's' of architectural acoustics): A for Absorption – Sufficient (but not in excess) absorption in the
Sound_masking
US businessman
Speaker Company, and was President of the Association of Loudspeaker Manufacturing & Acoustics International (ALMA, now known as ALTI) from 1972 to 1974
Clifford_Digre
American inventor (1917-2011)
writer widely known for his 1954 invention of the acoustic suspension loudspeaker which revolutionized the field of high-fidelity equipment. A speaker
Edgar_Villchur
American audio equipment manufacturer
company based in Berkeley, California that manufactures self-powered loudspeakers, multichannel audio show control systems, electroacoustic architecture
Meyer_Sound_Laboratories
Persistence of sound after it is produced
and longer decay times). Problems playing this file? See media help. In acoustics, reverberation (commonly shortened to reverb) is a persistence of sound
Reverberation
sound enhancement system that uses microprocessors to control multiple loudspeakers and microphones placed around a performance space for the purpose of
LARES
Method of recording sound
of technology in many things such as stethoscopes creating "in-head" acoustics and IMAX movies being able to create a three-dimensional acoustic experience
Binaural_recording
Phenomenon of air resonance in a cavity
the context of acoustics, Helmholtz resonance is instrumental in the design and analysis of musical instruments, architectural acoustics, and sound engineering
Helmholtz_resonance
American electrical acoustics engineer (1888–1951)
electrical engineer who was the joint inventor in 1925 of the moving coil loudspeaker along with Edward W. Kellogg. Rice was born in Lynn, Massachusetts in
Chester_Williams_Rice
Study of sound relating to biology
Bioacoustics is a cross-disciplinary science that combines biology and acoustics. Usually, it refers to the investigation of sound production, dispersion
Bioacoustics
American physicist (1894-1982)
on December 27, 1928. Early in his career, he focused on the acoustics of loudspeakers, sound systems for theaters, and high-fidelity sound. In 1924
Irving_Wolff
American engineer & inventor
transducers, especially high-linearity, high-output professional horn loudspeaker systems. Danley first gained notice in the 1980s with his novel servomotor-driven
Tom_Danley
American inventor and audio engineer (born 1965)
on loudspeaker design, and the measurement of professional audio sound systems. Hughes first worked for Peavey Electronics designing loudspeakers and
Charlie Hughes (sound engineer)
Charlie_Hughes_(sound_engineer)
American sound equipment manufacturer
electro-acoustics and horn loudspeaker design. Ralph Heinz eventually became senior vice-president of R&D and patented a method of arraying loudspeakers for
Renkus-Heinz
American electronics company
products under various brands, including AKG, AMX, Arcam, Becker, Boston Acoustics, Bowers & Wilkins, BSS Audio, Classé, Crown, dbx, Definitive Technology
Harman_International
Inventor of time alignment for loudspeakers
electronics and did design work on loudspeaker systems there and also at Audio Dynamics Corporation. He later became senior acoustics engineer at C.T.S. of Paducah
Ed_Long_(audio_engineer)
British loudspeaker manufacturer
Celestion is a British designer and exporter of professional loudspeakers. What became Celestion was started in Hampton Wick (suburban London) in 1924
Celestion
Law according to which a sound is perceived by the ear as a number of pure harmonic tones
A. S. Angus (2006). Acoustics and psychoacoustics. Focal Press. p. 123. ISBN 978-0-240-51995-1. John Borwick (2001). Loudspeaker and Headphone Handbook
Ohm's_acoustic_law
French company specializing in audio equipment
systems since 1979. Based in Saint-Étienne, the company manufactures loudspeakers for the home, speaker drivers for automobiles, headphones, professional
Focal-JMLab
Romanian-based chain of nightclubs
Swarovski crystal chandelier and was supplied with Audio Formula L-Acoustics loudspeaker system. Romania Bucharest. Mamaia. Brașov. Cluj-Napoca United States
Bamboo_Club
Finnish manufacturer of loudspeakers
Genelec Oy is a manufacturer of active loudspeaker systems based in Iisalmi, Finland. It designs and produces products for professional studio recording
Genelec
American consumer electronics company
"Bose Packs Concert Acoustics Into Home-Speaker Systems". The Wall Street Journal. Among its competitors in the fragmented U.S loudspeaker industry, Bose is
Bose_(brand)
Electric amplifier and loudspeaker
amplifier and loudspeaker that modifies the sound of an electric musical instrument by rotating a baffle chamber (drum) in front of the loudspeaker. A similar
Leslie_speaker
Nonlinear transduction mechanism
array to commercial high-fidelity loudspeakers. Beyer, Robert T. "Preface to the Original Edition". Nonlinear Acoustics. Archived from the original on February
Parametric_array
recordings, and applied acoustics with technical publishers in the United Kingdom. Capel invented a revolutionary loudspeaker system for public address
Vivian_Capel
American audio engineer
While at McCune John first realized his idea of a fully integrated loudspeaker system. The system was built for Creedence Clearwater Revival's last
John_Meyer_(sound_engineer)
Tapered sound guide
Sound the horn, not fear thy fate. Acoustic horns are used in: horn loudspeakers brass and woodwind musical instruments vehicle horns such as those used
Horn_(acoustic)
British audio product manufacturer
turntable and wanted one, teamed up to start the company. The Darius loudspeaker design, based on the re-examination of the relationship between and magnitudes
Roksan
Noise-making device
material, spun by an electric motor. Electronic sirens are high efficiency loudspeakers, with specialized amplifiers and tone generation. They usually imitate
Siren_(alarm)
Acoustics process
a process in the field of acoustics where digital filters designed to ameliorate unfavorable effects of a room's acoustics are applied to the input of
Digital_room_correction
Vibrations with frequencies lower than 20 hertz
2022. Toole, Floyd E. (2017). Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms (3rd ed.). Routledge (Taylor & Francis). ISBN 9781138921368
Infrasound
Danish audio-visual products company
including a sound recording system for the film industry, roof-mounted loudspeakers for circuses and army vehicles, and the iconic Beolit 39 radio that featured
Bang_&_Olufsen
Sound whose frequency is audible to the average human
effect, controversial claim for human perception above 20,000 Hz Loudspeaker Musical acoustics Piano key frequencies Scientific pitch notation Whistle register
Audio_frequency
American inventor (1903-1971)
an aircraft collision avoidance system. Walsh´s interests extended to loudspeaker design. With the help of Bozak, he developed a direct-radiator design
Lincoln_Walsh
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