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High fidelity (often shortened to Hi-Fi or HiFi) is the high-quality reproduction of sound. [1] It is popular with audiophiles and home audio enthusiasts. Ideally, high-fidelity equipment has inaudible noise and distortion , and a flat (neutral, uncolored) frequency response within the human hearing range .
The commonly given measurement of PMPO (peak music power out) is largely meaningless and often used in marketing literature; in the late 1960s there was much controversy over this point and the US Government (FTA) required that RMS figures be quoted for all high fidelity equipment. Music power has been making a comeback in recent years.
High-end audio is a class of consumer home audio equipment marketed to audiophiles on the basis of high price or quality, and esoteric or novel sound reproduction technologies. The term can refer simply to the price, to the build quality of the components, or to the subjective or objective quality of sound reproduction.
Audiophiles often prioritize high-quality music formats and specialized equipment over more convenient but lower quality options, such as MP3s or low-cost headphones. The term "high-end audio" is used to describe the playback equipment favored by audiophiles, which can be purchased from specialized retailers. This equipment can include ...
Sound quality is typically an assessment of the accuracy, fidelity, or intelligibility of audio output from an electronic device. Quality can be measured objectively, such as when tools are used to gauge the accuracy with which the device reproduces an original sound; or it can be measured subjectively, such as when human listeners respond to ...
Although both high-res optical formats have failed, there has been a resurgence in high-res digital files. SACD can be stored as a DSD file, and DVD-Audio can be stored as an FLAC or ALAC file. FLAC is the most widely used digital format for high-res with up to 8 channels, a maximum depth of 32-bit, and 655,350 Hz sampling rate.
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Fisher Electronics was an American audio equipment manufacturer founded in 1945 by Avery Fisher in New York City, New York. Originally named the Fisher Radio Corporation, the company is considered a pioneer in high fidelity audio equipment.