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A loudspeaker is an electroacoustic transducer that converts an electrical audio signal into a corresponding sound. A speaker system, also often simply referred to as a speaker or loudspeaker, comprises one or more such speaker drivers, an enclosure, and electrical connections possibly including a crossover network. The speaker driver can be viewed as a linear motor attached to a diaphragm which couples that motor's movement to motion of air, that is, sound. An audio signal, typically from a microphone, recording, or radio broadcast, is amplified electronically to a power level capable of driving that motor in order to reproduce the sound corresponding to the original unamplified electronic signal. This is thus the opposite function to the microphone; indeed the dynamic speaker driver, by far the most common type, is a linear motor in the same basic configuration as the dynamic microphone which uses such a motor in reverse, as a generator.
Abbey Road Studios is a music recording studio at 3 Abbey Road, St John's Wood, City of Westminster, Greater London, England. It was established in November 1931 by the Gramophone Company, a predecessor of British music company EMI, which owned it until Universal Music Group (UMG) took control of part of it in 2013. It is ultimately owned by UMG subsidiary Virgin Records Limited.
An audiophile is a person who is enthusiastic about high-fidelity sound reproduction. An audiophile seeks to reproduce recorded music to achieve high sound quality, typically in a quiet listening space and in a room with good acoustics.
A recording studio is a specialized facility for recording and mixing of instrumental or vocal musical performances, spoken words, and other sounds. They range in size from a small in-home project studio large enough to record a single singer-guitarist, to a large building with space for a full orchestra of 100 or more musicians. Ideally, both the recording and monitoring spaces are specially designed by an acoustician or audio engineer to achieve optimum acoustic properties.
Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener. Its first application was in movie theaters. Prior to surround sound, theater sound systems commonly had three screen channels of sound that played from three loudspeakers located in front of the audience. Surround sound adds one or more channels from loudspeakers to the side or behind the listener that are able to create the sensation of sound coming from any horizontal direction around the listener.
An echo chamber is a hollow enclosure used to produce reverberation, usually for recording purposes. A traditional echo chamber is covered in highly acoustically reflective surfaces. By using directional microphones pointed away from the speakers, echo capture is maximized. Some portions of the room can be moved to vary the room's decay time. Nowadays, effects units are more widely used to create such effects, but echo chambers are still used today, such as the famous echo chambers at Capitol Studios.
Bose Corporation is an American manufacturing company that predominantly sells audio equipment. The company was established by Amar Bose in 1964 and is based in Framingham, Massachusetts. It is best known for its home audio systems and speakers, noise cancelling headphones, professional audio products and automobile sound systems. Bose has a reputation for being particularly protective of its patents, trademarks, and brands.
A sound reinforcement system is the combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience. In many situations, a sound reinforcement system is also used to enhance or alter the sound of the sources on the stage, typically by using electronic effects, such as reverb, as opposed to simply amplifying the sources unaltered.
Linn Products is an engineering company that manufactures hi-fi and audio equipment. Founded by Ivor Tiefenbrun in Glasgow, Scotland, in 1972, the company is best known as the manufacturer of the Linn Sondek LP12 turntable.
Genelec Oy is a manufacturer of active loudspeaker systems based in Iisalmi, Finland. It designs and produces products for professional studio recording, mixing and mastering applications, broadcast, and movie production. The company was co-founded by the late Ilpo Martikainen (1947–2017) and Topi Partanen in 1978.
Digital room correction is 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 a sound reproduction system. Modern room correction systems produce substantial improvements in the time domain and frequency domain response of the sound reproduction system.
Trident Studios was a British recording facility, located at 17 St Anne's Court in London's Soho district between 1968 and 1981. It was constructed in 1967 by Norman Sheffield, drummer of the 1960s group the Hunters, and his brother Barry.
Bowers & Wilkins, commonly known 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, England. In October 2020, it was acquired by Sound United, a holding company who owns several other audio brands.
Lexicon is an American company that engineers, manufactures, and markets audio equipment as a brand of Harman International Industries. The company was founded in 1971 with headquarters in Waltham, Massachusetts, and offices in Salt Lake City, Utah. It was acquired by Harman in 1993.
Cabasse is a French audio manufacturer founded by Georges Cabasse (1928-2019) in 1950. It is mainly known for its home loudspeakers but has also produced professional audio speakers for studio recording or sound reinforcement in theatres and power amplifiers. The company is now part of a larger group called Veom Group.
Studio monitors are loudspeakers in speaker enclosures specifically designed for professional audio production applications, such as recording studios, filmmaking, television studios, radio studios and project or home studios, where accurate audio reproduction is crucial. Among audio engineers, the term monitor implies that the speaker is designed to produce relatively flat (linear) phase and frequency responses. In other words, it exhibits minimal emphasis or de-emphasis of particular frequencies, the loudspeaker gives an accurate reproduction of the tonal qualities of the source audio, and there will be no relative phase shift of particular frequencies—meaning no distortion in sound-stage perspective for stereo recordings. Beyond stereo sound-stage requirements, a linear phase response helps impulse response remain true to source without encountering "smearing". An unqualified reference to a monitor often refers to a near-field design. This is a speaker small enough to sit on a stand or desk in proximity to the listener, so that most of the sound that the listener hears is coming directly from the speaker, rather than reflecting off walls and ceilings. Monitor speakers may include more than one type of driver or, for monitoring low-frequency sounds, such as bass drum, additional subwoofer cabinets may be used.
Meyer Sound Laboratories is an American company based in Berkeley, California that manufactures self-powered loudspeakers, multichannel audio show control systems, electroacoustic architecture, and audio analysis tools for the professional sound reinforcement, fixed installation, and sound recording industries.
LARES is an electronic sound enhancement system that uses microprocessors to control multiple loudspeakers and microphones placed around a performance space for the purpose of providing active acoustic treatment. LARES was invented in Massachusetts in 1988, by Dr David Griesinger and Steve Barbar who were working at Lexicon, Inc. LARES was given its own company division in 1990, and LARES Associates was formed in 1995 as a separate corporation. Since then, hundreds of LARES systems have been used in concert halls, opera houses performance venues, and houses of worship from outdoor music festivals to permanent indoor symphony halls.
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: one is a compact design using two or three speaker drivers, usually in car audio, and the other is a two-way high-power design for professional audio, also known as single-source or dual-concentric loudspeakers. The design is favored for its compactness and behavior as an audio point source.
Digital do MaiN is a Japanese audio engineering company headquartered in Chiyoda, Tokyo, Japan. The company name emphasises symbiosis of analog and digital technologies ; the logo symbolizes an input pin jack, output pin jack and an innovative signal processing unit in between.
References
- ↑ "More from T.H.E. Show: Sasha Matson's Day Three (Part One)". Stereophile.com. 9 June 2016. Retrieved 14 February 2017.
- ↑ Akhtar, Iyaz (8 February 2012). "DEQX advances the art of speaker correction". CNET. Retrieved 14 February 2017.
- ↑ The Gramophone. C. Mackenzie. 2005.
- ↑ "DEQX Speaker Correction: RMAF's Most Amazing Demo". 31 October 2012.
- ↑ "DEQX Introduces Audiophile HDP-Express II".
- ↑ "6moons industry features: DEQX - the future of loudspeaker design?". 6moons.com. Retrieved 14 February 2017.
- ↑ "Abbey Road Studios Buys DEQX Digital Calibration Processors". Digitalprosound.com. 6 January 2004. Archived from the original on 14 February 2017. Retrieved 14 February 2017.
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