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Acoustics

Index Acoustics

Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound. [1]

Table of Contents

  1. 182 relations: Absolute threshold of hearing, Academic staff, Acoustic attenuation, Acoustic emission, Acoustic impedance, Acoustic levitation, Acoustic location, Acoustic phonetics, Acoustic streaming, Acoustic tag, Acoustic wave, Acoustic wave equation, Acoustical engineering, Acoustical Society of America, Active noise control, Aeroacoustics, Aircraft, American Institute of Aeronautics and Astronautics, American Society of Mechanical Engineers, Ancient Greek, ANSI/ASA S1.1-2013, Applied Acoustics, Archaeoacoustics, Architectural acoustics, Aristotle, Audio Engineering Society, Audio frequency, Audio signal processing, Audiology, Auditory illusion, Bachelor's degree, Bioacoustics, Characterization (materials science), Climate change, Cochlear implant, Cognition, De architectura, Diffraction, Doctor of Philosophy, Doppler effect, Ear, Earthquake, Echo suppression and cancellation, Electret microphone, Electromagnetism, Electrostatics, Engineering, Fisheries acoustics, Fluid, Frequency, ... Expand index (132 more) »

Absolute threshold of hearing

The absolute threshold of hearing (ATH), also known as the absolute hearing threshold or auditory threshold, is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present.

See Acoustics and Absolute threshold of hearing

Academic staff

Academic staff, also known as faculty (in North American usage) or academics (in British, Australia, and New Zealand usage), are vague terms that describe teachers or research staff of a school, college, university or research institute.

See Acoustics and Academic staff

Acoustic attenuation

In acoustics, acoustic attenuation is a measure of the energy loss of sound propagation through an acoustic transmission medium. Acoustics and acoustic attenuation are sound.

See Acoustics and Acoustic attenuation

Acoustic emission

Acoustic emission (AE) is the phenomenon of radiation of acoustic (elastic) waves in solids that occurs when a material undergoes irreversible changes in its internal structure, for example as a result of crack formation or plastic deformation due to aging, temperature gradients, or external mechanical forces.

See Acoustics and Acoustic emission

Acoustic impedance

Acoustic impedance and specific acoustic impedance are measures of the opposition that a system presents to the acoustic flow resulting from an acoustic pressure applied to the system. Acoustics and acoustic impedance are sound.

See Acoustics and Acoustic impedance

Acoustic levitation

Acoustic levitation is a method for suspending matter in air against gravity using acoustic radiation pressure from high intensity sound waves.

See Acoustics and Acoustic levitation

Acoustic location

Acoustic location is a method of determining the position of an object or sound source by using sound waves.

See Acoustics and Acoustic location

Acoustic phonetics

Acoustic phonetics is a subfield of phonetics, which deals with acoustic aspects of speech sounds.

See Acoustics and Acoustic phonetics

Acoustic streaming

Acoustic streaming is a steady flow in a fluid driven by the absorption of high amplitude acoustic oscillations. Acoustics and acoustic streaming are sound.

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Acoustic tag

Acoustic tags are small sound-emitting devices that allow the detection and/or remote tracking of organisms in aquatic ecosystems. Acoustics and Acoustic tag are sound.

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Acoustic wave

Acoustic waves are a type of energy propagation through a medium by means of adiabatic loading and unloading. Acoustics and Acoustic wave are sound.

See Acoustics and Acoustic wave

Acoustic wave equation

In physics, the acoustic wave equation is a second-order partial differential equation that governs the propagation of acoustic waves through a material medium resp.

See Acoustics and Acoustic wave equation

Acoustical engineering

Acoustical engineering (also known as acoustic engineering) is the branch of engineering dealing with sound and vibration. Acoustics and Acoustical engineering are sound.

See Acoustics and Acoustical engineering

Acoustical Society of America

The Acoustical Society of America (ASA) is an international scientific society founded in 1929 dedicated to generating, disseminating and promoting the knowledge of acoustics and its practical applications.

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Active noise control

Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first.

See Acoustics and Active noise control

Aeroacoustics

Aeroacoustics is a branch of acoustics that studies noise generation via either turbulent fluid motion or aerodynamic forces interacting with surfaces. Acoustics and Aeroacoustics are sound.

See Acoustics and Aeroacoustics

Aircraft

An aircraft (aircraft) is a vehicle that is able to fly by gaining support from the air.

See Acoustics and Aircraft

American Institute of Aeronautics and Astronautics

The American Institute of Aeronautics and Astronautics (AIAA) is a professional society for the field of aerospace engineering.

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American Society of Mechanical Engineers

The American Society of Mechanical Engineers (ASME) is an American professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and standards, research, conferences and publications, government relations, and other forms of outreach." ASME is thus an engineering society, a standards organization, a research and development organization, an advocacy organization, a provider of training and education, and a nonprofit organization.

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Ancient Greek

Ancient Greek (Ἑλληνῐκή) includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC.

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ANSI/ASA S1.1-2013

ANSI/ASA S1.1-2013, published by the American National Standards Institute (ANSI), is the current American National Standard on Acoustical Terminology.

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Applied Acoustics

Applied Acoustics (French: Acoustique Appliquée, German: Angewandte Akustik) is a bimonthly peer-reviewed scientific journal.

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Archaeoacoustics

Archaeoacoustics is a sub-field of archaeology and acoustics which studies the relationship between people and sound throughout history.

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Architectural acoustics

Architectural acoustics (also known as building acoustics) is the science and engineering of achieving a good sound within a building and is a branch of acoustical engineering. Acoustics and Architectural acoustics are sound.

See Acoustics and Architectural acoustics

Aristotle

Aristotle (Ἀριστοτέλης Aristotélēs; 384–322 BC) was an Ancient Greek philosopher and polymath.

See Acoustics and Aristotle

Audio Engineering Society

The Audio Engineering Society (AES) is a professional body for engineers, scientists, other individuals with an interest or involvement in the professional audio industry.

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Audio frequency

An audio frequency or audible frequency (AF) is a periodic vibration whose frequency is audible to the average human. Acoustics and audio frequency are sound.

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Audio signal processing

Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals.

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Audiology

Audiology (from Latin audīre, "to hear"; and from Greek -λογία, -logia) is a branch of science that studies hearing, balance, and related disorders. Acoustics and Audiology are sound.

See Acoustics and Audiology

Auditory illusion

Auditory illusions are illusions of real sound or outside stimulus.

See Acoustics and Auditory illusion

Bachelor's degree

A bachelor's degree (from Medieval Latin baccalaureus) or baccalaureate (from Modern Latin baccalaureatus) is an undergraduate degree awarded by colleges and universities upon completion of a course of study lasting three to six years (depending on institution and academic discipline).

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Bioacoustics

Bioacoustics is a cross-disciplinary science that combines biology and acoustics. Acoustics and Bioacoustics are sound.

See Acoustics and Bioacoustics

Characterization (materials science)

Characterization, when used in materials science, refers to the broad and general process by which a material's structure and properties are probed and measured.

See Acoustics and Characterization (materials science)

Climate change

In common usage, climate change describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system.

See Acoustics and Climate change

Cochlear implant

A cochlear implant (CI) is a surgically implanted neuroprosthesis that provides a person who has moderate-to-profound sensorineural hearing loss with sound perception.

See Acoustics and Cochlear implant

Cognition

Cognition is the "mental action or process of acquiring knowledge and understanding through thought, experience, and the senses".

See Acoustics and Cognition

De architectura

De architectura (On architecture, published as Ten Books on Architecture) is a treatise on architecture written by the Roman architect and military engineer Marcus Vitruvius Pollio and dedicated to his patron, the emperor Caesar Augustus, as a guide for building projects.

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Diffraction

Diffraction is the interference or bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow of the obstacle/aperture.

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Doctor of Philosophy

A Doctor of Philosophy (PhD or DPhil; philosophiae doctor or) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of graduate study and original research.

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Doppler effect

The Doppler effect (also Doppler shift) is the change in the frequency of a wave in relation to an observer who is moving relative to the source of the wave. Acoustics and Doppler effect are sound.

See Acoustics and Doppler effect

Ear

An ear is the organ that enables hearing and (in mammals) body balance using the vestibular system.

See Acoustics and Ear

Earthquake

An earthquakealso called a quake, tremor, or tembloris the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves.

See Acoustics and Earthquake

Echo suppression and cancellation

Echo suppression and echo cancellation are methods used in telephony to improve voice quality by preventing echo from being created or removing it after it is already present.

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Electret microphone

An electret microphone is a microphone whose diaphragm forms a capacitor (historically-termed a condenser) that incorporates an electret.

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Electromagnetism

In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields.

See Acoustics and Electromagnetism

Electrostatics

Electrostatics is a branch of physics that studies slow-moving or stationary electric charges.

See Acoustics and Electrostatics

Engineering

Engineering is the practice of using natural science, mathematics, and the engineering design process to solve technical problems, increase efficiency and productivity, and improve systems.

See Acoustics and Engineering

Fisheries acoustics

Fisheries acoustics includes a range of research and practical application topics using acoustical devices as sensors in aquatic environments.

See Acoustics and Fisheries acoustics

Fluid

In physics, a fluid is a liquid, gas, or other material that may continuously move and deform (flow) under an applied shear stress, or external force.

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Frequency

Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time. Acoustics and Frequency are sound.

See Acoustics and Frequency

Friction Acoustics

Solid bodies in contact that undergo shear relative motion (friction) radiate energy.

See Acoustics and Friction Acoustics

Galileo Galilei

Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642), commonly referred to as Galileo Galilei or simply Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a polymath.

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Ground vibrations

Ground vibrations is a technical term that is being used to describe mostly man-made vibrations of the ground, in contrast to natural vibrations of the Earth studied by seismology.

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Harmonic

In physics, acoustics, and telecommunications, a harmonic is a sinusoidal wave with a frequency that is a positive integer multiple of the fundamental frequency of a periodic signal. Acoustics and harmonic are sound.

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Harmonic series (music)

A harmonic series (also overtone series) is the sequence of harmonics, musical tones, or pure tones whose frequency is an integer multiple of a fundamental frequency.

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Hearing

Hearing, or auditory perception, is the ability to perceive sounds through an organ, such as an ear, by detecting vibrations as periodic changes in the pressure of a surrounding medium. Acoustics and Hearing are sound.

See Acoustics and Hearing

Hearing aid

A hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss.

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Helioseismology

Helioseismology, a term coined by Douglas Gough, is the study of the structure and dynamics of the Sun through its oscillations.

See Acoustics and Helioseismology

Hermann von Helmholtz

Hermann Ludwig Ferdinand von Helmholtz (31 August 1821 – 8 September 1894) was a German physicist and physician who made significant contributions in several scientific fields, particularly hydrodynamic stability.

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Hertz

The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second.

See Acoustics and Hertz

Hydrophone

A hydrophone (water + sound) is a microphone designed to be used underwater for recording or listening to underwater sound.

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Infrasound

Infrasound, sometimes referred to as low frequency sound, describes sound waves with a frequency below the lower limit of human audibility (generally 20 Hz, as defined by the ANSI/ASA S1.1-2013 standard). Acoustics and Infrasound are sound.

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Institute of Acoustics (United Kingdom)

The Institute of Acoustics (IOA) is a British professional engineering institution founded in 1974.

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Institute of Electrical and Electronics Engineers

The Institute of Electrical and Electronics Engineers (IEEE) is an American 501(c)(3) professional association for electronics engineering, electrical engineering, and other related disciplines.

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International Commission for Acoustics

The purpose of the International Commission for Acoustics (ICA) is to promote international development and collaboration in all fields of acoustics including research, development, education, and standardisation.

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International Computer Music Association

The International Computer Music Association (ICMA) is an international affiliation of individuals and institutions involved in the technical, creative, and performance aspects of computer music.

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International Conference on Acoustics, Speech, and Signal Processing

ICASSP, the International Conference on Acoustics, Speech, and Signal Processing, is an annual flagship conference organized by IEEE Signal Processing Society.

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Interval (music)

In music theory, an interval is a difference in pitch between two sounds.

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Isaac Newton

Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher.

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Islamic Golden Age

The Islamic Golden Age was a period of scientific, economic and cultural flourishing in the history of Islam, traditionally dated from the 8th century to the 13th century.

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Jay Pritzker Pavilion

Jay Pritzker Pavilion, also known as Pritzker Pavilion or Pritzker Music Pavilion, is a bandshell in Millennium Park in the Loop community area of Chicago in Cook County, Illinois, United States.

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Jean le Rond d'Alembert

Jean-Baptiste le Rond d'Alembert (16 November 1717 – 29 October 1783) was a French mathematician, mechanician, physicist, philosopher, and music theorist.

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John William Strutt, 3rd Baron Rayleigh

John William Strutt, 3rd Baron Rayleigh, (12 November 1842 – 30 June 1919) was a British mathematician and physicist who made extensive contributions to science.

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Joseph-Louis Lagrange

Joseph-Louis Lagrange (born Giuseppe Luigi Lagrangia, Encyclopædia Britannica or Giuseppe Ludovico De la Grange Tournier; 25 January 1736 – 10 April 1813), also reported as Giuseppe Luigi Lagrange or Lagrangia, was an Italian mathematician, physicist and astronomer, later naturalized French.

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Journal of Sound and Vibration

The Journal of Sound and Vibration is a scientific journal in the field of acoustics.

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Journal of the Acoustical Society of America

The Journal of the Acoustical Society of America (JASA) is a monthly peer-reviewed scientific journal covering all aspects of acoustics.

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Lamb waves

Lamb waves propagate in solid plates or spheres.

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LARES

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.

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Leonhard Euler

Leonhard Euler (15 April 170718 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician, and engineer who founded the studies of graph theory and topology and made pioneering and influential discoveries in many other branches of mathematics such as analytic number theory, complex analysis, and infinitesimal calculus.

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Linear elasticity

Linear elasticity is a mathematical model of how solid objects deform and become internally stressed by prescribed loading conditions. Acoustics and Linear elasticity are sound.

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Linguistics

Linguistics is the scientific study of language.

See Acoustics and Linguistics

Longitudinal wave

Longitudinal waves are waves in which the vibration of the medium is parallel to the direction the wave travels and displacement of the medium is in the same (or opposite) direction of the wave propagation.

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Loudness

In acoustics, loudness is the subjective perception of sound pressure.

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Loudspeaker

A loudspeaker (commonly referred to as a speaker or speaker driver) is an electroacoustic transducer that converts an electrical audio signal into a corresponding sound.

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Marin Mersenne

Marin Mersenne, OM (also known as Marinus Mersennus or le Père Mersenne;; 8 September 1588 – 1 September 1648) was a French polymath whose works touched a wide variety of fields.

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Mathematics

Mathematics is a field of study that discovers and organizes abstract objects, methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself.

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Mechanical wave

In physics, a mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a material medium.

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Medical ultrasound

Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound.

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Mersenne's laws

Mersenne's laws are laws describing the frequency of oscillation of a stretched string or monochord, useful in musical tuning and musical instrument construction.

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Metamaterial

A metamaterial (from the Greek word μετά meta, meaning "beyond" or "after", and the Latin word materia, meaning "matter" or "material") is a type of material engineered to have a property that is rarely observed in naturally occurring materials.

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Microphone

A microphone, colloquially called a mic, or mike, is a transducer that converts sound into an electrical signal.

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Mobile phone

A mobile phone or cell phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone).

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Modal analysis is the study of the dynamic properties of systems in the frequency domain.

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MP3

MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany under the lead of Karlheinz Brandenburg, with support from other digital scientists in other countries.

See Acoustics and MP3

Music

Music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content. Acoustics and Music are sound.

See Acoustics and Music

Music information retrieval

Music information retrieval (MIR) is the interdisciplinary science of retrieving information from music.

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Music therapy

Music therapy, an allied health profession, "is the clinical and evidence-based use of music interventions to accomplish individualized goals within a therapeutic relationship by a credentialed professional who has completed an approved music therapy program." It is also a vocation, involving a deep commitment to music and the desire to use it as a medium to help others.

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Musical instrument

A musical instrument is a device created or adapted to make musical sounds.

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Musical tuning

In music, there are two common meanings for tuning.

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Musicology

Musicology (from Greek μουσική 'music' and -λογια, 'domain of study') is the scholarly study of music.

See Acoustics and Musicology

Nature (journal)

Nature is a British weekly scientific journal founded and based in London, England.

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Neurophysiology

Neurophysiology is a branch of physiology and neuroscience that studies nervous system function rather than nervous system architecture.

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Neuroscience of music

The neuroscience of music is the scientific study of brain-based mechanisms involved in the cognitive processes underlying music.

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Noise

Noise is sound, chiefly unwanted, unintentional, or harmful sound considered unpleasant, loud, or disruptive to mental or hearing faculties. Acoustics and Noise are sound.

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Noise control

Noise control or noise mitigation is a set of strategies to reduce noise pollution or to reduce the impact of that noise, whether outdoors or indoors. Acoustics and noise control are sound.

See Acoustics and Noise control

Noise pollution

Noise pollution, or sound pollution, is the propagation of noise or sound with ranging impacts on the activity of human or animal life, most of which are harmful to a degree.

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Ocean acoustic tomography

Ocean acoustic tomography is a technique used to measure temperatures and currents over large regions of the ocean.

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On Things Heard

On Things Heard (Greek Περὶ ἀκουστῶν; Latin De audibilibus) is a work which was formerly attributed to Aristotle, but is now generally believed to be the work of Strato of Lampsacus.

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One-way wave equation

A one-way wave equation is a first-order partial differential equation describing one wave traveling in a direction defined by the vector wave velocity. Acoustics and one-way wave equation are sound.

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Opus (audio format)

Opus is a lossy audio coding format developed by the Xiph.Org Foundation and standardized by the Internet Engineering Task Force, designed to efficiently code speech and general audio in a single format, while remaining low-latency enough for real-time interactive communication and low-complexity enough for low-end embedded processors.

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Outline of acoustics

The following outline is provided as an overview of and topical guide to acoustics: Acoustics – interdisciplinary science 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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Overtone

An overtone is any resonant frequency above the fundamental frequency of a sound.

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Particle velocity

Particle velocity (denoted or) is the velocity of a particle (real or imagined) in a medium as it transmits a wave. Acoustics and particle velocity are sound.

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Philosophiæ Naturalis Principia Mathematica

Philosophiæ Naturalis Principia Mathematica (English: The Mathematical Principles of Natural Philosophy) often referred to as simply the Principia, is a book by Isaac Newton that expounds Newton's laws of motion and his law of universal gravitation.

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Phonon

A phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, specifically in solids and some liquids.

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Physical acoustics

Physical acoustics is the area of acoustics and physics that studies interactions of acoustic waves with a gaseous, liquid or solid medium on macro- and micro-levels.

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Physics

Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force.

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Physiology

Physiology is the scientific study of functions and mechanisms in a living system.

See Acoustics and Physiology

Picosecond ultrasonics

Picosecond ultrasonics is a type of ultrasonics that uses ultra-high frequency ultrasound generated by ultrashort light pulses.

See Acoustics and Picosecond ultrasonics

Piezoelectricity

Piezoelectricity is the electric charge that accumulates in certain solid materials—such as crystals, certain ceramics, and biological matter such as bone, DNA, and various proteins—in response to applied mechanical stress.

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Psychoacoustics

Psychoacoustics is the branch of psychophysics involving the scientific study of sound perception and audiology—how the human auditory system perceives various sounds.

See Acoustics and Psychoacoustics

Psychology

Psychology is the scientific study of mind and behavior.

See Acoustics and Psychology

Public address system

A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment.

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Pythagoras

Pythagoras of Samos (Πυθαγόρας; BC) was an ancient Ionian Greek philosopher, polymath and the eponymous founder of Pythagoreanism.

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Rayleigh wave

Rayleigh waves are a type of surface acoustic wave that travel along the surface of solids.

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Reflection (physics)

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Acoustics and Reflection (physics) are sound.

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Refraction

In physics, refraction is the redirection of a wave as it passes from one medium to another.

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Robert Bruce Lindsay

Robert Bruce Lindsay (1 January 1900 – 2 March 1985) was an American physicist and physics professor, known for his prolific authorship of physics books in acoustics, and historical and philosophical analyses of physics.

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Science

Science is a strict systematic discipline that builds and organizes knowledge in the form of testable hypotheses and predictions about the world.

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Scientific Revolution

The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature.

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Sea surface temperature

Sea surface temperature (or ocean surface temperature) is the temperature of ocean water close to the surface.

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Seismic vibration control

In earthquake engineering, vibration control is a set of technical means aimed to mitigate seismic impacts in building and non-building structures.

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Seismology

Seismology (from Ancient Greek σεισμός (seismós) meaning "earthquake" and -λογία (-logía) meaning "study of") is the scientific study of earthquakes (or generally, quakes) and the generation and propagation of elastic waves through the Earth or other planetary bodies.

See Acoustics and Seismology

Shock wave

In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium.

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Sonar

Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances (ranging), communicate with or detect objects on or under the surface of the water, such as other vessels.

See Acoustics and Sonar

Sonic boom

A sonic boom is a sound associated with shock waves created when an object travels through the air faster than the speed of sound. Acoustics and sonic boom are sound.

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Sonic weapon

Sonic and ultrasonic weapons (USW) are weapons of various types that use sound to injure or incapacitate an opponent.

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Sonification

Sonification is the use of non-speech audio to convey information or perceptualize data. Acoustics and Sonification are sound.

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Sonochemistry

In chemistry, the study of sonochemistry is concerned with understanding the effect of ultrasound in forming acoustic cavitation in liquids, resulting in the initiation or enhancement of the chemical activity in the solution.

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Sonoluminescence

Sonoluminescence is the emission of light from imploding bubbles in a liquid when excited by sound.

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Sound

In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid.

See Acoustics and Sound

Sound pressure

Sound pressure or acoustic pressure is the local pressure deviation from the ambient (average or equilibrium) atmospheric pressure, caused by a sound wave. Acoustics and sound pressure are sound.

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Sound recording and reproduction

Sound recording and reproduction is the 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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Sound reinforcement system

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.

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Soundproofing

Soundproofing is any means of impeding sound propagation. Acoustics and Soundproofing are sound.

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Soundscape

A soundscape is the acoustic environment as perceived by humans, in context. Acoustics and soundscape are sound.

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Spectrogram

A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time.

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Spectrum analyzer

A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.

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Speech

Speech is the use of the human voice as a medium for language.

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Speech recognition

Speech recognition is an interdisciplinary subfield of computer science and computational linguistics that develops methodologies and technologies that enable the recognition and translation of spoken language into text by computers.

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Speech synthesis

Speech synthesis is the artificial production of human speech.

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Speed of sound

The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. Acoustics and speed of sound are sound.

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Strato of Lampsacus

Strato of Lampsacus (Strátōn ho Lampsakēnós, –) was a Peripatetic philosopher, and the third director (scholarch) of the Lyceum after the death of Theophrastus.

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Structural acoustics

Structural acoustics is the study of the mechanical waves in structures and how they interact with and radiate into adjacent media. Acoustics and Structural acoustics are sound.

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Structural health monitoring

Structural health monitoring (SHM) involves the observation and analysis of a system over time using periodically sampled response measurements to monitor changes to the material and geometric properties of engineering structures such as bridges and buildings.

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Submarine

A submarine (or sub) is a watercraft capable of independent operation underwater.

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Surface acoustic wave

A surface acoustic wave (SAW) is an acoustic wave traveling along the surface of a material exhibiting elasticity, with an amplitude that typically decays exponentially with depth into the material, such that they are confined to a depth of about one wavelength.

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Surface wave

In physics, a surface wave is a mechanical wave that propagates along the interface between differing media.

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The Little Red Book of Acoustics

The Little Red Book of Acoustics is a small book giving an overview of UK acoustic regulations.

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Thermoacoustics

Thermoacoustics is the interaction between temperature, density and pressure variations of acoustic waves.

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Tranquillity

Tranquillity (also spelled tranquility) is the quality or state of being tranquil; that is, calm, serene, and worry-free.

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Transducer

A transducer is a device that converts energy from one form to another.

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Transmission medium

A transmission medium is a system or substance that can mediate the propagation of signals for the purposes of telecommunication.

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Transverse wave

In physics, a transverse wave is a wave that oscillates perpendicularly to the direction of the wave's advance.

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Tweeter

A tweeter or treble speaker is a special type of loudspeaker (usually dome, inverse dome or horn-type) that is designed to produce high audio frequencies, typically up to 100 kHz.

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Ultrasonic testing

Ultrasonic testing (UT) is a family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested.

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Ultrasonics (journal)

Ultrasonics is a bimonthly peer-reviewed scientific journal published by Elsevier and covering research on theory and application of ultrasonics in physics, biology, chemistry, medicine, underwater acoustics, industry, materials characterization, control, and other disciplines.

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Ultrasound

Ultrasound is sound with frequencies greater than 20 kilohertz. Acoustics and Ultrasound are sound.

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Underwater acoustics

Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water, its contents and its boundaries. Acoustics and Underwater acoustics are sound.

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Uta Merzbach

Uta Caecilia Merzbach (February 9, 1933 – June 27, 2017) was a German-American historian of mathematics who became the first curator of mathematical instruments at the Smithsonian Institution.

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Vibration

Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point.

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Vibration isolation

Vibration isolation is the prevention of transmission of vibration from one component of a system to others parts of the same system, as in buildings or mechanical systems.

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Vibration white finger

Vibration white finger (VWF), also known as hand-arm vibration syndrome (HAVS) or dead finger, is a secondary form of Raynaud's syndrome, an industrial injury triggered by continuous use of vibrating hand-held machinery.

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Virtual reality

Virtual reality (VR) is a simulated experience that employs 3D near-eye displays and pose tracking to give the user an immersive feel of a virtual world.

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Vitruvius

Vitruvius (–70 BC – after) was a Roman architect and engineer during the 1st century BC, known for his multi-volume work titled De architectura.

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Voice coil

A voice coil (consisting of a former, collar, and winding) is the coil of wire attached to the apex of a loudspeaker cone.

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Wallace Clement Sabine

Wallace Clement Sabine (June 13, 1868 – January 10, 1919) was an American physicist who founded the field of architectural acoustics.

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Wave

In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities.

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Wave equation

The wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves (e.g. water waves, sound waves and seismic waves) or electromagnetic waves (including light waves).

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Wave interference

In physics, interference is a phenomenon in which two coherent waves are combined by adding their intensities or displacements with due consideration for their phase difference.

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Whale vocalization

Whales use a variety of sounds for communication and sensation.

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Woofer

A woofer or bass speaker is a technical term for a loudspeaker driver designed to produce low frequency sounds, typically from 20 Hz up to a few hundred Hz.

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References

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

Also known as Acoustic measurements and instrumentation, Acoustic sensor, Acoustic signals, Acoustical, Acoustical data, Acoustical science, Acoustician, History of acoustics, Mechanical radiation, Subdisciplines of acoustics.

, Friction Acoustics, Galileo Galilei, Ground vibrations, Harmonic, Harmonic series (music), Hearing, Hearing aid, Helioseismology, Hermann von Helmholtz, Hertz, Hydrophone, Infrasound, Institute of Acoustics (United Kingdom), Institute of Electrical and Electronics Engineers, International Commission for Acoustics, International Computer Music Association, International Conference on Acoustics, Speech, and Signal Processing, Interval (music), Isaac Newton, Islamic Golden Age, Jay Pritzker Pavilion, Jean le Rond d'Alembert, John William Strutt, 3rd Baron Rayleigh, Joseph-Louis Lagrange, Journal of Sound and Vibration, Journal of the Acoustical Society of America, Lamb waves, LARES, Leonhard Euler, Linear elasticity, Linguistics, Longitudinal wave, Loudness, Loudspeaker, Marin Mersenne, Mathematics, Mechanical wave, Medical ultrasound, Mersenne's laws, Metamaterial, Microphone, Mobile phone, Modal analysis, MP3, Music, Music information retrieval, Music therapy, Musical instrument, Musical tuning, Musicology, Nature (journal), Neurophysiology, Neuroscience of music, Noise, Noise control, Noise pollution, Ocean acoustic tomography, On Things Heard, One-way wave equation, Opus (audio format), Outline of acoustics, Overtone, Particle velocity, Philosophiæ Naturalis Principia Mathematica, Phonon, Physical acoustics, Physics, Physiology, Picosecond ultrasonics, Piezoelectricity, Psychoacoustics, Psychology, Public address system, Pythagoras, Rayleigh wave, Reflection (physics), Refraction, Robert Bruce Lindsay, Science, Scientific Revolution, Sea surface temperature, Seismic vibration control, Seismology, Shock wave, Sonar, Sonic boom, Sonic weapon, Sonification, Sonochemistry, Sonoluminescence, Sound, Sound pressure, Sound recording and reproduction, Sound reinforcement system, Soundproofing, Soundscape, Spectrogram, Spectrum analyzer, Speech, Speech recognition, Speech synthesis, Speed of sound, Strato of Lampsacus, Structural acoustics, Structural health monitoring, Submarine, Surface acoustic wave, Surface wave, The Little Red Book of Acoustics, Thermoacoustics, Tranquillity, Transducer, Transmission medium, Transverse wave, Tweeter, Ultrasonic testing, Ultrasonics (journal), Ultrasound, Underwater acoustics, Uta Merzbach, Vibration, Vibration isolation, Vibration white finger, Virtual reality, Vitruvius, Voice coil, Wallace Clement Sabine, Wave, Wave equation, Wave interference, Whale vocalization, Woofer.