WebStereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configuration of two loudspeakers (or stereo headphones ) in such a way as to create the impression of sound heard from …

WebLong before sound was first recorded, music was recorded—first by written music notation, then also by mechanical devices (e.g., wind-up music boxes, in which a mechanism turns a spindle, which plucks metal tines, thus reproducing a melody).Automatic music reproduction traces back as far as the 9th century, when the Banū Mūsā brothers invented the earliest …

WebFormal theory. Formally, a string is a finite, ordered sequence of characters such as letters, digits or spaces. The empty string is the special case where the sequence has length zero, so there are no symbols in the string.

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WebA phonograph record (also known as a gramophone record, especially in British English), or simply a record, is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts near the periphery and ends near the center of the disc. At first, the discs were commonly made from shellac, with …

WebQuadraphonic (or quadrophonic and sometimes quadrasonic) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which speakers are positioned at the four corners of a listening space. The system allows for the reproduction of sound signals that are (wholly or in part) independent of one another. Four channel …

WebRalph McTell (born Ralph May, 3 December 1944) is an English singer-songwriter and acoustic guitar player who has been an influential figure on the UK folk music scene since the 1960s. McTell is best known for his song "Streets of London" (1969), which has been covered by over two hundred artists around the world.McTell modelled his guitar style on …

Web19-09-2022 · Smithsonian Folkways Recordings is the nonprofit record label of the Smithsonian Institution, the national museum of the United States. We are dedicated to supporting cultural diversity and increased understanding among peoples through the documentation, preservation, and dissemination of sound.

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WebThe history of sound recording - which has progressed in waves, driven by the invention and commercial introduction of new technologies — can be roughly divided into four main periods: . The Acoustic era (1877–1925) The Electrical era (1925–1945) The Magnetic era (1945–1975) The Digital era (1975–present) Experiments in capturing sound on a …