High fidelity is the high-quality reproduction of sound. It is popular with audiophiles and home audio enthusiasts. Ideally, high-fidelity equipment has inaudible noise and distortion, and a flat frequency response within the human hearing range.
Hi-fi speakers are a key component of quality audio reproduction
An integrated amplifier combines an audio preamplifier and power amplifier into one unit, and is an example of the "component" approach to assembling a comprehensive sound reproduction system.
Modular components made by Samsung and Harman Kardon, (from the bottom) an audio digital receiver, DVD player, and HD TV receiver
A Sony "midi" hifi from the late 1980s. Despite its appearance mimicking separate components, this is an all-in-one unit featuring a record player, a dual cassette tapedeck, a digital tuner, and an amplifier with integrated equalizer. Other midi systems integrating a CD player were also increasingly common by this point.
Sound recording and reproduction
Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording.
Frances Densmore and Blackfoot chief Mountain Chief working on a recording project of the Bureau of American Ethnology (1916).
Emile Berliner with disc record gramophone
Singer Tatjana Angelini recording the Swedish voice of Snow White in Snow White and the Seven Dwarfs, 1938
Magnetic audio tapes: acetate base (left) and polyester base (right)
