Glossary: T

Thomas Memory Turner (July 17, 1847 – September 2, 1917) was an American composer, band leader, and music professor. He was known to his…

A tactile transducer or "bass shaker" is a device which is made on the principle that low bass frequencies can be felt as well as heard…

"Take Me Home, Country Roads", also known simply as "Country Roads", is a song written by Bill Danoff, Taffy Nivert, and John Denver.

Tampongate or Camillagate was the controversy over a 1989 intimate telephone conversation between Charles, Prince of Wales (later King…

Tape bias is the term for two techniques, AC bias and DC bias, that improve the fidelity of analogue tape recorders. DC bias is the…

A tape cartridge, also known as a tape cart, is a storage medium used for audio recording, video recording, or data storage that includes…

A tape head is a type of transducer used in tape recorders to convert electrical signals to magnetic fluctuations and vice versa.

A tape head cleaner is a substance or device used for cleaning the record and playback heads of a magnetic tape drive, as found in video…

Tape hiss is the high frequency noise present on analogue magnetic tape recordings caused by the size of the magnetic particles used to…

An audio tape recorder, also known as a tape deck, tape player, tape machine, or simply a tape recorder, is a sound recording and…

Tape trading is an unofficial method of distribution of musical or video content through the postal system, which was prominent in the…

A taper is a person who records musical events, often from standing microphones in the audience, for the benefit of the musical group's…

Tapete, also known as Mark IV cassette, is an audio cassette format designed for audiobooks developed for the Royal National Institute for…

A tapping machine is a device used to test the impact sound insulation of floors, for measurements of impact noise (noise of footsteps) in…

The target strength is a logarithmic measure of the area of a sonar target. It is typically used to quantify acoustical size of fish…

The Tarzan yell or Tarzan's jungle call is the distinctive, ululating yell of the character Tarzan as portrayed by actor Johnny…

The tau effect is a spatial perceptual illusion that arises when observers judge the distance between consecutive stimuli in a stimulus…

"Teach Yourself Heath" is the name of a one-sided 33 rpm flexi-disc by Monty Python which was given away free with issue 27 of ZigZag…

"Teardrops from My Eyes", written by Rudy Toombs, was the first upbeat major hit for Ruth Brown, establishing her as an important figure…

The Tefifon is an audio playback format, developed and manufactured in Germany, that utilizes cartridges loaded with an endlessly looped…

Tele-audiology is the utilization of telemedicine to provide audiological services and may include the full scope of audiological practice.

A telecommunications device for the deaf (TDD) is a teleprinter, an electronic device for text communication over a telephone line, that…

A telecommunications relay service (TRS; also a relay service, IP-relay, or web-based relay service) is an operator service that allows…

The telediphone was an early sound recording system, using cylindrical recording media.

A telegraph sounder is an antique electromechanical device used as a receiver on electrical telegraph lines during the 19th century.

The phrase temperament ordinaire (French tempérament ordinaire, meaning literally "ordinary temperament" or "usual temperament") is a term…

Temporal envelope (ENV) and temporal fine structure (TFS) are changes in the amplitude and frequency of sound perceived by humans over time.

The temporal theory of hearing, also called frequency theory or timing theory, states that human perception of sound depends on temporal…

The tenore contraltino is a specialized form of the tenor voice found in Italian opera around the beginning of the 19th century, mainly in…

Tenore di grazia, also called leggero tenor (graceful, light, and lightweight tenor, respectively), is a lightweight, flexible tenor voice…

In music theory, a tetrachord (Greek: τετράχορδoν; Latin: tetrachordum) is a series of four notes separated by three intervals. In…

A tetratonic scale is a musical scale or mode with four notes per octave. This is in contrast to a heptatonic (seven-note) scale such as…

The Thai Elephant Orchestra is a musical ensemble consisting of as many as fourteen Thai elephants near Lampang in Northern Thailand. The…

The thalamus (pl.: thalami; from Greek θάλαμος, "chamber") is a large mass of gray matter on the lateral wall of the third ventricle…

"That'll Be the Day" is a song written by Buddy Holly and Jerry Allison. It was first recorded by Buddy Holly and the Three Tunes in 1956…

The Art of Sound is an exhibition which was developed in 2013 by the National Film and Sound Archive (NFSA) in collaboration with regional…

The Beatles' Christmas records are a series of flexi disc recordings issued by the English rock group the Beatles sent to members of their…

"The Champ" is a song by The Mohawks, a group of session musicians assembled by Alan Hawkshaw. It was originally released in 1968 but…

The Churkendoose: Part Chicken, Turkey, Duck and Goose is a 1946 children's book by Ben Ross Berenberg, illustrated by Dellwyn Cunningham…

The Cizek Model One was the first HIFI product of CIZEK Audio System, a two-way bookshelf loudspeaker system which gave a certain…

The Conet Project: Recordings of Shortwave Numbers Stations is a four- and later five-CD set of recordings of numbers stations and noise…

The Cradle Will Rock is a 1937 play in music by Marc Blitzstein. Originally a part of the Federal Theatre Project, it was directed by…

"The Devil Went Down to Georgia" is a song written and recorded by American music group Charlie Daniels Band and released on their 1979…

The Echo Chamber is the debut novel of Scottish author Luke Williams, published in 2011. The Saltire Society awarded it the Scottish First…

The Fall of the City by Archibald MacLeish is the first American verse play written for radio. The 30-minute radio play was first…

The Four Seasons (Italian: Le quattro stagioni) is a group of four violin concerti by Italian composer Antonio Vivaldi, each of which…

The Fred Allen Show was a long-running American radio comedy program starring comedian Fred Allen and his wife Portland Hoffa.

"The Giant Pool of Money" is an episode of the radio show This American Life which originally aired on May 9, 2008. The episode described…

The Gizmotron, originally developed and called the Gizmo, is an effects device for the electric guitar and bass guitar. It was invented in…

The Holy Book of Hip-Hop was a catalogue of musical samples used in hip-hop music, published in 2001 by Black Glove Publishing.

The Hum is a persistent and invasive low-frequency humming, rumbling, or droning noise audible to many, but not all, people in an area…

The Jack Benny Program, starring Jack Benny, is a radio and television comedy series. The show ran for over three decades, from 1932 to…

The Little Engine That Could is an American folktale and story to teach children the value of optimism and hard work. It is best known for…

The Lodge is an audio mastering facility located in Manhattan, New York City. It was founded by Emily Lazar in 1997. Over the years The…

The London Session Orchestra was a film, TV, and pop orchestra based in London. It was founded in 1993 and led by Gavyn Wright and is…

The Loneliest Whale: The Search for 52 is a 2021 American documentary film, directed, written, and produced by Joshua Zeman. Leonardo…

"The Message" is a song by the American hip-hop group Grandmaster Flash and the Furious Five. It was released as a single by Sugar Hill…

The Microsoft Sound is a six-second sound written by Brian Eno that served as the startup theme for the Windows 95 operating system…

The Mosquito or Mosquito alarm is a machine used to deter loitering by emitting sound at high frequency. In some versions, it is…

"El manisero", known in English as "The Peanut Vendor", is a Cuban son-pregón (street vendor's cry) composed by Moisés Simons.

The Singing Dogs was a Danish musical recording project in the 1950s by recording engineer and ornithologist Carl Weismann and record…

The Tape-beatles (also known as Public Works) are a multi-media group that formed in Iowa City in December 1986. Its members have…

The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to…

"The Tracks of My Tears" is a 1965 song originally recorded by the Miracles on Motown Record's Tamla subsidiary label. It was composed by…

The Troggs Tapes is a bootleg recording of the English rock band the Troggs. It was originally recorded in 1970, and consists of band…

"The Twist" is an American song written and originally released in 1958 by Hank Ballard and the Midnighters as a B-side to "Teardrops on…

"The War of the Worlds" was a Halloween episode of the radio series The Mercury Theatre on the Air which was broadcast live at 8 pm ET on…

The Wiz: The Super Soul Musical "Wonderful Wizard of Oz" is a musical with music and lyrics by Charlie Smalls (and others) and book by…

Thermal acoustic imaging (TAI) is an active thermographic inspection process developed by Pratt and Whitney (P&W) in 2005. TAI is a…

Thermoacoustic engines (sometimes called "TA engines") are thermoacoustic devices which use high-amplitude sound waves to pump heat from…

Thermoacoustics is the interaction between temperature, density and pressure variations of acoustic waves. Thermoacoustic heat engines can…

Thickened earlobes-conductive deafness syndrome, also known as Escher-Hirt syndrome, or Schweitzer Kemink Graham syndrome, is a rare…

Thiele/Small parameters (commonly abbreviated T/S parameters, or TSP) are a set of electromechanical parameters that define the specified…

A thin-film bulk acoustic resonator (FBAR or TFBAR) is a device consisting of a piezoelectric material manufactured by thin film methods…

In psychiatry and neuropsychology, thought blocking is a sudden and involuntary silence during a person's speech, followed by an abrupt…

The threshold of pain or pain threshold is the point along a curve of increasing perception of a stimulus at which pain begins to be felt…

Thunder is the sound caused by lightning. Depending upon the distance from and nature of the lightning, it can range from a long, low…

Ticking is the sharp and rhythmic sound produced by various devices. It is particularly associated with mechanical clocks and watches…

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

Time-domain harmonic scaling (TDHS) is a method for time-scale modification of speech (or other audio signals), allowing the apparent rate…

Time-Sensitive Networking (TSN) is a set of standards under development by the Time-Sensitive Networking task group of the IEEE 802.1…

Times Square, often referred to as the hum or the Times Square Hum, is a permanent sound art installation created by Max Neuhaus in Times…

Tinnitracks is a digital therapy app designed for the treatment of tinnitus through audio therapy. Treatment involves listening to music…

Tinnitus is a condition when a person hears a ringing sound or a different variety of sounds when no corresponding external sound is…

Tinnitus maskers are a range of devices based on simple white noise machines used to add natural or artificial sound into a tinnitus…

Tinnitus retraining therapy (TRT) is a form of habituation therapy designed to help people who experience tinnitus—a ringing, buzzing…

Tintamarre is an Acadian tradition of marching through one's community making noise with improvised instruments and other noisemakers…

Tip links are extracellular filaments that connect stereocilia to each other or to the kinocilium in the hair cells of the inner ear…

"Tipitina" is a song written and originally recorded by New Orleans pianist and singer Professor Longhair. His original version was…

Tipu's Tiger, Tippu's Tiger or Tipoo’s Tiger is an 18th-century automaton created for Tipu Sultan, the ruler of the Kingdom of Mysore…

The Tmall Genie (Chinese: 天猫精灵, pinyin: Tiān māo jīng líng) is a smart speaker developed by Chinese e-commerce company Alibaba Group…

In music, tonal memory or "aural recall" is the ability to remember a specific tone after it has been heard. Tonal memory assists with…

In music theory and tuning, a tonality diamond is a diamond-shaped diagram of ratios comprising overlapping tonalities in which the major…

Tonality flux is Harry Partch's term for the kinds of subtle harmonic changes that can occur in a microtonal context from notes moving…

In linguistics, tone is a language's use of pitch contour, pitch register, or both to distinguish words' meanings or to serve a…

Tone Bender is the name of several fuzz distortion effect pedals. Released in 1965, Sola Sound's original Tone Bender was a re-creation…

A tone contour or contour tone is a tone in a tonal language which shifts from one pitch to another over the course of the syllable or word.

The tone decay test (also known as the threshold tone decay test or TTDT) is used in audiology to detect and measure auditory fatigue. It…

A tone hole is an opening in the body of a wind instrument which, when alternately closed and opened, changes the pitch of the sound…

A tone stack is a specialized type of audio filter incorporated into the circuit of an audio amplifier to alter its frequency response…

German psychologist William Stern invented the tone variator in 1897 to study human sensitivity to changes in pitch, going beyond the…

TonePort is a line of USB audio interfaces from Line 6 which extended the earlier GuitarPort interface. The TonePort line was eventually…

Tonga (Chitonga), also known as Zambezi, is a Bantu language primarily spoken by the Tonga people (Bantu Batonga) who live mainly in the…

In music, "tonic" refers to the originating note or chord of a particular key.

Tonic tensor tympani syndrome is a hypothesized syndrome of the tensor tympani muscle. The tensor tympani muscle is one of the two middle…

Tonmeister is a job description in the music and recording industries that describes a so-called "sound master" (a literal translation of…

In musical tuning and harmony, the Tonnetz (German for 'tone net') is a conceptual lattice diagram representing tonal space first…

The term tonpilz or "acoustic mushroom" may refer to a certain type of underwater electro-acoustic transducer. By sandwiching active (i.e.

Tooth Tunes is a discontinued line of children's toothbrushes released by the Tiger Electronics division of Hasbro in 2007.

The 1953 EMI recording of Giacomo Puccini's Tosca conducted by Victor de Sabata, with Maria Callas, Giuseppe Di Stefano and Tito Gobbi, is…

The total harmonic distortion (THD or THDi) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of…

A total harmonic distortion analyzer calculates the total harmonic content of a sinewave with some distortion, expressed as total harmonic…

Total Hi Def Disc, also called Total HD or THD, was a planned optical disc format that included both of the rival high-definition optical…

Total system power is a term often used in audio electronics to rate the power of an audio system. Total system power refers to the total…

A towed array sonar is a system of hydrophones towed behind a submarine or a surface ship on a cable. Trailing the hydrophones behind the…

Townes–Brocks syndrome (TBS) is a rare genetic disease that has been described in approximately 200 cases in the published literature. It…

Toychestra is an all-women experimental music group from Oakland, California that plays toys. They use toy musical instruments and other…

Tracklib (short for Trackliberation) is a Swedish music service that allows producers to sample original music and clear the samples for…

Train noise is vehicle noise made by trains. Noises may be heard inside the train and outside.

Transaural Stereo is a technology suite of analog circuits and digital signal processing algorithms related to the field of sound playback…

The Transcendental Meditation (TM) technique is that associated with Transcendental Meditation, developed by the Indian spiritual figure…

Transcranial focused ultrasound (tFUS), also known as transcranial ultrasound stimulation (TUS) or low-intensity focused ultrasound…

Transcranial pulsed ultrasound (TPU) uses low intensity, low frequency ultrasound (LILFU) to stimulate the brain. In 2002, Dr. Alexander…

In acoustics and audio, a transient is a high amplitude, short-duration sound at the beginning of a waveform that occurs in phenomena such…

A transmission line loudspeaker is a loudspeaker enclosure design that uses the topology of an acoustic transmission line within the…

Transmission loss (TL) in general describes the accumulated decrease in intensity of a waveform energy as a wave propagates outwards from…

Transmission loss (TL) in duct acoustics describes the acoustic performances of a muffler-like system. It is frequently used in the…

A transport is a device that handles a particular physical storage medium (such as magnetic tape, audio CD, CD-R, or other type of…

In music, transposition refers to the process or operation of moving a collection of notes (pitches or pitch classes) up or down in pitch…

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

The trapezoid body or ventral acoustic stria is a structure in the pontine tegmentum formed by the crossing-over (decussation) of a…

Treble describes tones of high frequency or high pitch, ranging from 6 kHz to 20 kHz, comprising the higher end of the human hearing…

A treble voice is a voice which takes the treble part. In the absence of a separate descant part, this is normally the highest-pitched…

Tremolo, in electronics, is the variation in amplitude of sound achieved through electronic means, sometimes mistakenly called vibrato…

Trident A Range consoles were originally built by and for Trident Studios. When word spread about this revolutionary new multi-track…

The Triggerman beat, also known as Triggaman, is a one-bar drum loop that originated from sampling "Drag Rap" by the Showboys and "Brown…

In music theory, a tritone is a musical interval spanning three whole tones. For instance, the interval from F to the B above it (in…

The tritone paradox is an auditory illusion in which a sequentially played pair of Shepard tones separated by an interval of a tritone…

A tritonic scale is a musical scale or mode with three notes per octave. This is in contrast to a heptatonic (seven-note) scale such as…

Trotter's syndrome is a cluster of symptoms associated with certain types of advanced nasopharyngeal carcinoma. The cause of pain is the…

The TTM 57SL is an audio mixer console, also known as a DJ mixer, designed by Rane Corporation. Rane and their software partner Serato…

"Tubby the Tuba" is a 1945 song with lyrics written by Paul Tripp and music composed by George Kleinsinger. The original 1946 recording…

Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube amplifier. The concept of tube sound did not exist…

Tullio phenomenon, sound-induced vertigo, dizziness, nausea or eye movement (nystagmus) was first described in 1929 by the Italian…

Tunatic is a freeware music identification program developed by Sylvain Demongeot for Windows and Mac OS.

Tunebot is a query by humming music search engine developed by Arefin Huq, Mark Cartwright, and Bryan Pardo of the Interactive Audio Lab…

In electronics and radio, a tuner is a type of receiver subsystem that selects, receives and demodulates radio transmissions, such as AM…

A Tungsten or Tungs-Tone is a type of phonograph stylus. Constructed from tungsten wire, held in a metal shank, a tungsten stylus differs…

A tuning wrench (also called a tuning lever or tuning hammer) is a specialized socket wrench used to tune string instruments, such as the…

The Tupolev Tu-160 (Russian: Туполев Ту-160 «Белый лебедь», romanized: Bely Lebed, lit. 'White Swan'; NATO reporting name: Blackjack) is a…

The term turkey call can refer to either the different vocalizations of the turkey or devices designed and used to imitate these sounds.

"Tutti Frutti" (Italian for "all fruits") is a song written by Little Richard and Dorothy LaBostrie, recorded in 1955, which was Richard's…

Tweet of the Day is a British radio programme that was broadcast on BBC Radio 4 on weekdays at 05:58 from Monday to Friday.

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The twelve-inch single (often written as 12-inch or 12″) is a type of vinyl (polyvinyl chloride or PVC) gramophone record that has wider…

In the United Kingdom and other countries within the Commonwealth, a two-minute silence is observed as part of Remembrance Day to remember…

The two-streams hypothesis is a model of the neural processing of vision as well as hearing. The hypothesis, given its initial…

The tympanic duct or scala tympani is one of the perilymph-filled cavities in the inner ear of humans. It is separated from the cochlear…

Tympanometry is an acoustic evaluation of the condition of the middle ear eardrum (tympanic membrane) and the conduction bones by creating…

Tympanostomy tube, also known as a grommet, myringotomy tube, ventilation tube, or pressure equalizing tube, is a small tube inserted into…

The tympanum is an external hearing structure in animals such as mammals, birds, some reptiles, some amphibians and some insects.