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high fidelity

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noun Electronics.
  1. sound reproduction over the full range of audible frequencies with very little distortion of the original signal.
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Origin of high fidelity

First recorded in 1930–35
Also called hi-fi.
Related formshigh-fi·del·i·ty, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for high fidelity

Historical Examples

  • All the high-fidelity speakers of the starship Procyon spoke as one, in the skillfully-modulated voice of the trained announcer.

    Subspace Survivors

    E. E. Smith


British Dictionary definitions for high fidelity

high fidelity

noun
    1. the reproduction of sound using electronic equipment that gives faithful reproduction with little or no distortion
    2. (as modifier)a high-fidelity amplifier
    Often shortened to: hi-fi
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012