Synonyms: hi-fi; high-fidelity. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! 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.. With low-fidelity prototyping, even non-designers can participate in the design process and think through content, menus, and flow. Last Updated on May 6, 2015, by eNotes Editorial. A high-definition audio system supports the latest digital audio formats and creates an immersive experience. ‘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.’. If a listening test is done in such a way that the listener who is assessing the sound quality of a component or recording can see the components that are being used for the test (e.g., the same musical piece listened to through a tube power amplifier and a solid-state amplifier), then it is possible that the listener's pre-existing biases towards or against certain components or brands could affect their judgment. To respond to this issue, researchers began to use blind tests, in which listeners cannot see the components being tested. High Fidelity Simulation is a healthcare education methodology that involves the use of sophisticated life-like manikins (sometimes called mannequins) in realistic patient environments. Simulation scenarios can take place anywhere, from austere environments for EMS or Military Simulations, to clinical environments like surgical simulation inside a simulation centers. montresor on November 18, 2004 Link No Replies Log in to reply Learn more. See more. The electronic reproduction of sound, especially from broadcast or recorded sources, with minimal distortion. 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. High fidelity definition: the reproduction of sound using electronic equipment that gives faithful reproduction... | Meaning, pronunciation, translations and examples 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. Why Choose Q5 High-fidelity Polymerase? (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. 'Nip it in the butt' or 'Nip it in the bud'? high fidelity meaning: 1. the production by electrical equipment of very good quality sound that is as similar as possible…. Benefits of high-fidelity prototyping. High-fidelity prototyping — is highly-functional and interactive prototyping which is quite close to the final product, with lots of functionality and details included. The time is somewhere in … 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. Enrich your vocabulary with the English Definition dictionary Integrated, mini, or lifestyle systems (also known by the older terms music centre or midi system[16][17]) contain one or more sources such as a CD player, a tuner, or a cassette tape deck together with a preamplifier and a power amplifier in one box. 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. A subject is presented with two known samples (sample A, the reference, and sample B, an alternative), and one unknown sample X, for three samples total. After World War II, Harry F. Olson conducted an experiment whereby test subjects listened to a live orchestra through a hidden variable acoustic filter. This integration is also available for high-end audio systems. The metal-oxide-semiconductor field-effect transistor (MOSFET) was adapted into a power MOSFET for audio by Jun-ichi Nishizawa at Tohoku University in 1974. High fidelity prototypes almost represent the finished product. Most simulation vendors say they provide high-fidelity power plant simulators, but what does the term “high-fidelity” really mean? 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. DICTIONARY.COM Please tell us where you read or heard it (including the quote, if possible). The discovery and development of high-fidelity polymerases has for many years been a key focus at New England Biolabs (NEB). That way, they could choose models of each component with the specifications that they desired. Delivered to your inbox! The table below explains what high and low fidelity mean in each of these areas. [13] The equipment must also provide no noticeable distortion of the signal or emphasis or de-emphasis of any frequency in this frequency range. High fidelity, object-oriented dynamic plant simulation enables much tighter "virtually optimized design" of complex chemical and mechanical processes. [5] Many transistor amps use MOSFET devices in their power sections, because their distortion curve is more tube-like.[6]. Fidelity is the accuracy with which an electronic system reproduces the sound or image of its input signal. Fidelity can vary in the areas of: Interactivity; Visuals; Content and commands; A prototype may have high or low fidelity in all or some of the above 3 areas. More familiar to users: High-fidelity prototypes look like live software to customers, meaning participants would be more likely to behave naturally during testing. See the full definition for high fidelity in the English Language Learners Dictionary, More from Merriam-Webster on high fidelity, Nglish: Translation of high fidelity for Spanish Speakers. Signal modification equipment can include equalizers and signal processors. A high-fidelity sound system meets subjective standards and reproduces sound accurately. Power MOSFETs were soon manufactured by Yamaha for their hi-fi audio amplifiers. Listening tests are used by hi-fi manufacturers, audiophile magazines and audio engineering researchers and scientists. [15] Most adults can't hear higher than 15 kHz. Defining Fidelity. With John Cusack, Iben Hjejle, Todd Louiso, Jack Black. Low-fidelity prototyping. Low-Fidelity; High-Fidelity; Product teams choose a prototype’s fidelity based on the goals of prototyping, completeness of design, and available resources. Benefits of high-fidelity prototyping More familiar to users: High-fidelity prototypes look like live software to customers, meaning participants would be … 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. 'All Intensive Purposes' or 'All Intents and Purposes'? X is randomly selected from A and B, and the subject identifies X as being either A or B. Ideally, high-fidelity equipment has inaudible noise and distortion, and a flat (neutral, uncolored) frequency response within the human hearing range. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. High fidelity. When the listener moves to the side, however, this phantom channel disappears or is greatly reduced. Which of the following refers to thin, bending ice, or to the act of running over such ice. Learn how and when to remove this template message, metal-oxide-semiconductor field-effect transistor, Comparison of analog and digital recording, "The Buyable Past: Classic Hi-Fi Components", "Blind Listening Tests are Flawed: An Editorial", "The Misinformed Misleading the Uninformed – A Bit About Blind Listening Tests", "A Bit More About Blind Listening Tests (6/2009)", "The Dishonesty of Sighted Listening Tests", List of digital television deployments by country, https://en.wikipedia.org/w/index.php?title=High_fidelity&oldid=998066898, Articles with self-published sources from May 2020, Articles needing additional references from January 2016, All articles needing additional references, Articles with unsourced statements from November 2019, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 January 2021, at 17:21. 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. Audiophiles paid attention to technical characteristics and bought individual components, such as separate turntables, radio tuners, preamplifiers, power amplifiers and loudspeakers. It's possible to create a high-fidelity system that doesn't rely on digital media at all, for example. [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. JVC, Pioneer Corporation, Sony and Toshiba also began manufacturing amplifiers with power MOSFETs in 1974. The consumer did not have to select and assemble individual components or be familiar with impedance and power ratings. 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