The high-fidelity prototype - known as high-tech, high-fi or hi-fi prototype, is a comprehensive and interactive prototype that is quite close to the final products with lots of functions, interactions and details. Benefits of high-fidelity prototyping More familiar to users: High-fidelity prototypes look like live software to customers, meaning participants would be … Simulation scenarios can take place anywhere, from austere environments for EMS or Military Simulations, to clinical environments like surgical simulation inside a simulation centers. The best example of a high-fidelity simulation is the flight simulator used by pilots in training. Audio professional Dr. Sean Olive of Harman International shares this view.[12]. DICTIONARY.COM Disadvantages include the complexity of having multiple components with cabling and connectivity, and different remote controls for each unit. The concept has been widely used for marketing purposes since the 1950s, when technological developments like reel-to-reel tape, the long-playing record and improved speaker designs made it possible to bring quality sound home. High fidelity (often shortened to hi-fi or hifi) is a term used by listeners, audiophiles and home audio enthusiasts to refer to high-quality reproduction of sound. High Fidelity Simulation is a healthcare education methodology that involves the use of sophisticated life-like manikins (sometimes called mannequins) in realistic patient environments. It's possible to create a high-fidelity system that doesn't rely on digital media at all, for example. In the 1950s, hi-fi became a generic term for home sound equipment, to some extent displacing phonograph and record player. When the listener moves to the side, however, this phantom channel disappears or is greatly reduced. NEB's scientists will show you why we call Q5 an "ultra-high fidelity … After World War II, Harry F. Olson conducted an experiment whereby test subjects listened to a live orchestra through a hidden variable acoustic filter. 'All Intensive Purposes' or 'All Intents and Purposes'? Context example: a hi-fi system. High fidelity (often shortened to hi-fi or hifi) is a term used by listeners, audiophiles and home audio enthusiasts to refer to high-quality reproduction of sound. montresor on … In the 1980s, a number of audiophile magazines became available, offering reviews of components and articles on how to choose and test speakers, amplifiers and other components. ‘One of the unique features of the new radio station is that it has done away with tapes and compact discs, using a sophisticated computer server to deliver high-fidelity sound, free from noise and signal disturbance.’. There are three levels of fidelity: low, mid and high. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'high fidelity.' high fidelity meaning: 1. the production by electrical equipment of very good quality sound that is as similar as possible…. The NRC researchers knew that for their result to be credible within the scientific community and to have the most meaningful results, they had to eliminate bias, and blind testing was the only way to do so." The setting for Hornby’s novel High Fidelity is London. A popular type of system for reproducing music beginning in the 1970s was the integrated music centre—which combined a phonograph turntable, AM-FM radio tuner, tape player, preamplifier, and power amplifier in one package, often sold with its own separate, detachable or integrated speakers. Meaning: Characterized by minimal distortion in sound reproduction. Signal modification equipment can include equalizers and signal processors. • HIGH-FIDELITY (adjective) Sense 1. With John Cusack, Iben Hjejle, Todd Louiso, Jack Black. This is in contrast to the lower quality sound produced by inexpensive audio equipment, AM radio, or the inferior quality of sound reproduction that can be heard in recordings made until the late 1940s. High-fidelity simulations strive to be as realistic as possible and include many elements, and also simulate the relationship or interactions between said elements. Some modern hi-fi equipment can be digitally connected using fibre optic TOSLINK cables, universal serial bus (USB) ports (including one to play digital audio files), or Wi-Fi support. While some consumers simply interpreted high fidelity as fancy and expensive equipment, many found the difference in quality compared to the then-standard AM radios and 78-rpm records readily apparent and bought high-fidelity phonographs and 33⅓ LPs such as RCA's New Orthophonics and London's ffrr (Full Frequency Range Recording, a UK Decca system). A monophonic power amplifier, which is called a monoblock, is often used for powering a subwoofer. This period is regarded as the "Golden Age of Hi-Fi", when vacuum tube equipment manufacturers of the time produced many models considered endearing by modern audiophiles, and just before solid state (transistorized) equipment was introduced to the market, subsequently replacing tube equipment as the mainstream technology. Hi-Fidelity Lyrics: Other boys may turn me on / But I let temptation slide / Used to be so plain to see / The hunger in my eyes / But now I'm buying / (Buying) / Trying / (Trying) / Hi-fidelity / High Data gleaned from these blind tests is not accepted by some audiophile magazines such as Stereophile and The Absolute Sound in their evaluations of audio equipment. high fidelity definition in English dictionary, high fidelity meaning, synonyms, see also 'high',high jumper',high jumping',Aswan High Dam'. Defining Fidelity. Using dynamic process simulation for business and risk management; more pulp and paper companies are investing … t̬i / (short form hi-fi, us / ˈhɑɪˈfɑɪ /) the sound produced by electronic equipment of very good quality that plays recorded music very accurately. High fidelity, object-oriented dynamic plant simulation enables much tighter "virtually optimized design" of complex chemical and mechanical processes. Beginning in 1948, several innovations created the conditions that made major improvements of home-audio quality possible: In the 1950s, audio manufacturers employed the phrase high fidelity as a marketing term to describe records and equipment intended to provide faithful sound reproduction. Although some high-end manufacturers do produce integrated systems, such products are generally disparaged by audiophiles, who prefer to build a system from separates (or components), often with each item from a different manufacturer specialising in a particular component. Mid fidelity prototypes are often called wireframes. “High fidelity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high%20fidelity. Highfidelity amplification is essential for experiments whose outcome depends upon the correct DNA sequence (e.g., cloning, SNP analysis, NGS applications). Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. This modularity allows the enthusiast to spend as little or as much as they want on a component that suits their specific needs. Listening tests are used by hi-fi manufacturers, audiophile magazines and audio engineering researchers and scientists. high fidelity meaning: 1. the production by electrical equipment of very good quality sound that is as similar as possible…. [4] Class-D amplifiers became successful in the mid-1980s when low-cost, fast-switching MOSFETs were made available. As an adjective, audiophiles use the term to describe a sound reproduction system (like a stereo system) that is particularly effective at playing back sounds that resemble the original source. When the music is stored in an audio file format that is lossless such as FLAC, Monkey's Audio or WMA Lossless, the computer playback of recorded audio can serve as an audiophile-quality source for a hi-fi system. Enrich your vocabulary with the English Definition dictionary In quantum mechanics, notably in quantum information theory, fidelity is a measure of the "closeness" of two quantum states. Design fidelity refers to the level of details and functionality built into a prototype. The fidelity is not a metric on the space of density matrices, but it can be used to define the Bures metric on this space.. While recognizing this, the singer feels obligized to point out that that can't possible be true, since it is he that has "high fidelity" - that is, his signal is the one sending "true love". John Atkinson, current editor of Stereophile, stated that he once purchased a solid-state amplifier, the Quad 405, in 1978 after seeing the results from blind tests, but came to realize months later that "the magic was gone" until he replaced it with a tube amp. noun. [1] This is in contrast to the lower quality sound produced by inexpensive audio equipment, AM radio, or the inferior quality of sound reproduction that can be heard in recordings made until the late 1940s. This integration is also available for high-end audio systems. [8] Robert Harley of The Absolute Sound wrote, in 2008, that: "...blind listening tests fundamentally distort the listening process and are worthless in determining the audibility of a certain phenomenon. [10][11] He stated: "Blind tests are at the core of the decades' worth of research into loudspeaker design done at Canada's National Research Council (NRC). The human hearing range, for healthy young persons, is 20 Hz to 20,000 Hz. In quantum mechanics, notably in quantum information theory, fidelity is a measure of the "closeness" of two quantum states. High fidelity definition is - the reproduction of an effect (such as sound or an image) that is very faithful to the original. A high-definition audio system supports the latest digital audio formats and creates an immersive experience. Please tell us where you read or heard it (including the quote, if possible). High-Fidelity Simulations. With the rise in popularity of home theater, however, multi-channel playback systems became popular, and many consumers were willing to tolerate the six to eight channels required in a home theater. Streaming services typically have a modified dynamic range and possibly bit rates lower than audiophiles would be happy with. When is the fidelity of a DNA polymerase important? [5] Many transistor amps use MOSFET devices in their power sections, because their distortion curve is more tube-like.[6]. The two are related, but aren't interchangeable. Audiophiles in the 1970s and 1980s preferred to buy each component separately. In the 2000s, modern hi-fi equipment can include signal sources such as digital audio tape (DAT), digital audio broadcasting (DAB) or HD Radio tuners. It expresses the probability that one state will pass a test to identify as the other. Although there is no way to prove that a certain methodology is transparent,[7] a properly conducted double-blind test can prove that a method is not transparent. as modifier ‘high-fidelity speakers’. They created the term high fidelity (hi-fi). High fidelity prototypes almost represent the finished product. [2], Bell Laboratories began experimenting with a range of recording techniques in the early 1930s. Another advantage of modularity is the ability to spend money on only a few core components at first and then later add additional components to the system. Performances by Leopold Stokowski and the Philadelphia Orchestra were recorded in 1931 and 1932 using telephone lines between the Academy of Music in Philadelphia and the Bell labs in New Jersey. High fidelity definition, sound reproduction over the full range of audible frequencies with very little distortion of the original signal. a candidate design solution that you consider for a specific design problem The discovery and development of high-fidelity polymerases has for many years been a key focus at New England Biolabs (NEB). Tidal (service) has launched a hi-fi tier which includes access to FLAC and Master Quality Authenticated studio masters for many tracks through the desktop version of the player. It’s often used in the later usability evaluation to discover the potential issues that a web/app design may still exist. (noun) Before the Kaiser's achieved worldwide success, the boys were prominent figures of the Leeds indie scene, and were the original hosts of Pigs, the city's monthly ostentatious electro-punk night at the Hi-Fi club in the city centre. mass noun. Purists generally avoid referring to these systems as high fidelity, though some are capable of very good quality sound reproduction. Low-fidelity (lo-fi) prototyping is a quick and easy way to translate high-level design concepts into tangible and testable artifacts. The consumer did not have to select and assemble individual components or be familiar with impedance and power ratings. High Fidelity 1. The time is somewhere in … Ideally, high-fidelity equipment has inaudible noise and distortion, and a flat (neutral, uncolored) frequency response within the human hearing range. An attempt to provide for the reproduction of the reverberation was tried in the 1970s through quadraphonic sound. uncountable noun [usu N n] High fidelity is the use of electronic equipment to reproduce a sound or image with very little distortion or loss of quality....a new, high-fidelity audio technology system. Therefore the expression "High Fidelity" would indicate that a system, in the case of sound, is producing slick and high quality sound through its speakers. Send us feedback. [citation needed]. ISL’s team consists of creative scientists and engineers with both theoretical and experimental expertise in the areas of physics, geophysics, oceanography, signal processing theory and application, nonlinear modeling, electro optics, and optical communications. A commonly used variant of this test is the ABX test. Word Count: 301. The fidelity of the prototype refers to how closely it matches the look-and-feel of the final system. Learn more. Other modules in the system may include components like cartridges, tonearms, hi-fi turntables, Digital Media Players, digital audio players, DVD players that play a wide variety of discs including CDs, CD recorders, MiniDisc recorders, hi-fi videocassette recorders (VCRs) and reel-to-reel tape recorders. Simulation scenarios can take place anywhere, from austere environments for EMS or Military Simulations, to clinical environments like surgical simulation inside a simulation centers. Stereophonic sound provided a partial solution to the problem of creating the illusion of live orchestral performers by creating a phantom middle channel when the listener sits exactly in the middle of the two front loudspeakers. Such enzymes have a significant binding preference for the correct versus the incorrect nucleoside triphosphate during polymerization. [13] The equipment must also provide no noticeable distortion of the signal or emphasis or de-emphasis of any frequency in this frequency range. Which of the following refers to thin, bending ice, or to the act of running over such ice. Highfidelity amplification is essential for experiments whose outcome depends upon the correct DNA sequence (e.g., cloning, SNP analysis, NGS applications). high fidelity high quality and great accuracy (in the reproduction of sound). Power MOSFETs were soon manufactured by Yamaha for their hi-fi audio amplifiers. [13] CDs are capable of reproducing frequencies as low as 0 Hz and as high as 22.05 kHz, making them adequate for reproducing the frequency range that most humans can hear. (Definition of high fidelity from the Cambridge Academic Content Dictionary © Cambridge University Press) For slightly less flexibility in upgrades, a preamplifier and a power amplifier in one box is called an integrated amplifier; with a tuner, it is a receiver. Some multitrack recordings were made on optical sound film, which led to new advances used primarily by MGM (as early as 1937) and Twentieth Century Fox Film Corporation (as early as 1941). High-fidelity DNA polymerases have several safeguards to protect against both making and propagating mistakes while copying DNA. High fidelity. High Fidelity Simulation is a healthcare education methodology that involves the use of sophisticated life-like manikins (sometimes called mannequins) in realistic patient environments. [14] Audio equipment must be able to reproduce frequencies high enough and low enough to be realistic. In the world of the audiophile, however, the concept of high fidelity continued to refer to the goal of highly accurate sound reproduction and to the technological resources available for approaching that goal. The table below explains what high and low fidelity mean in each of these areas. Fidelity is the accuracy with which an electronic system reproduces the sound or image of its input signal. Low fidelity prototypes consist of sticky notes and sketches, which is great for high-level brainstorming and collaboration. Low fidelity prototypes consist of sticky notes and sketches, which is great for high-level brainstorming and collaboration. The electronic reproduction of sound, especially from broadcast or recorded sources, with minimal distortion. Accessed 17 Jan. 2021. 'Nip it in the butt' or 'Nip it in the bud'? It’s often used in the later usability evaluation to discover the potential issues that a web/app design may still exist. Last Updated on May 6, 2015, by eNotes Editorial. Audiophiles paid attention to technical characteristics and bought individual components, such as separate turntables, radio tuners, preamplifiers, power amplifiers and loudspeakers. The reproduction of sound with little distortion, giving a result very similar to the original. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! 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