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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
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
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
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
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
Loudspeaker enclosure design
A transmission line loudspeaker is a loudspeaker enclosure design that uses the topology of an acoustic transmission line within the cabinet, compared
Transmission_line_loudspeaker
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
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 acoustics, a diaphragm is a transducer used for the conversion between mechanical vibrations and sounds. It is commonly constructed of a thin membrane
Diaphragm_(acoustics)
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
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
Data visualization technique
Spectra at different engine speeds when testing engines. Loudspeaker acoustics Loudspeaker measurement Glen, Stephanie (11 January 2018). "Waterfall Plot /
Waterfall_plot
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
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
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
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
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
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
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)
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
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
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
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
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
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
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 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
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
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
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
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
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)
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)
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
Scientific study of sound perception
Psychoacoustics is an interdisciplinary field including psychology, acoustics, electronic engineering, physics, biology, physiology, and computer science
Psychoacoustics
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
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
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
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
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
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
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
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
related to Loudspeaker. Audiophile Frequency response High-end audio List of loudspeaker manufacturers Loudspeaker acoustics Loudspeaker measurement
Voigt_pipe
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
American audio engineer (born 1960)
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
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
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
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
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
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
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
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
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
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
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
Ideal position for listening to speakers
location which creates an equilateral triangle together with the stereo loudspeakers, the stereo triangle. In the case of surround sound, this is the focal
Sweet_spot_(acoustics)
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)
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
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
Variable Room acoustics System, Reproduced Sound 2004 M. A. Poletti and R. Schwenke, “Prediction and Verification of Powered Loudspeaker Requirements for
VRAS
sound enhancement system that uses microprocessors to control multiple loudspeakers and microphones placed around a performance space for the purpose of
LARES
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
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)
American audio equipment manufacturer
company based in Berkeley, California that manufactures self-powered loudspeakers, multichannel audio show control systems, electroacoustic architecture
Meyer_Sound_Laboratories
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
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
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
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
Surround sound technology
the public domain that employs digital signal processing (DSP) and two loudspeakers directly in front of the listener in order to improve reproduction of
Ambiophonics
British loudspeaker manufacturer
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
Measure of speech transmission quality
room acoustics, not electro-acoustics. Application of RASTI to transmission chains featuring electro-acoustic components (such as loudspeakers and microphones)
Speech_transmission_index
Sound waves terms
neutralize each other. This occurs especially with improperly sealed loudspeakers, when the waves created on either side of the vibrating membrane are
Acoustic_short_circuit
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
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
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
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 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
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)
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
German physicist, mathematician and musician
most important work, for which he is sometimes labeled the father of acoustics, included research on vibrating plates and the calculation of the speed
Ernst_Chladni
computer Lossy medium Lothar Wolfgang Nordheim Lotus effect Loudness Loudspeaker acoustics Louis-Sébastien Lenormand Louis Alan Hazeltine Louis Alfred Becquerel
Index_of_physics_articles_(L)
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
British acoustical engineer (born 1952)
(born 1952) is a British engineer and acoustician. He is Professor of Acoustics at the Institute of Sound and Vibration Research (ISVR) at the University
Philip_Nelson_(engineer)
Experimental acoustical apparatus
vibrate or 'ring' by rubbing it, but modern demonstrations usually use a loudspeaker attached to a signal generator producing a sine wave. The other end of
Kundt's_tube
Sound reinforcement that is unnoticeable
by the audience. The correctly installed systems replicate the desired acoustics of early reflections and reverberation from a room that is properly designed
Acoustic_enhancement
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 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
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
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
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
Avoiding hearing damage from intentionally heard sounds
supply of hearing protection devices, signage and warning requirements, loudspeaker placement restrictions, and ensuring patrons can access quiet zones or
Safe_listening
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
Manufacturer of hi-fi equipment
Wharfedale, Quad Electroacoustics, Mission, Tag McLaren, and Castle Acoustics; Japanese brand Luxman; and several Italian manufacturers of lighting
International_Audio_Group
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
travel, tourism, insurance
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