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In 1971, Mattel introduced a game called "Talking Football," in which two players simulate a game of American football. [30] Plays are recorded on small discs, each with six parallel grooves. The player on offense chooses one of ten possible offensive plays, each recorded on one disc, and inserts the corresponding disc into a handheld record ...
The minidisc player, using ATRAC compression on small, re-writeable discs was introduced in the 1990s, but became obsolescent as solid-state non-volatile flash memory dropped in price. As technologies that increase the amount of data that can be stored on a single medium, such as Super Audio CD , DVD-A , Blu-ray Disc , and HD DVD became ...
Three vinyl records of different formats, from left to right: a 12 inch LP, a 10 inch LP, a 7 inch single. A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.
An audio format is a medium for sound recording and reproduction.The term is applied to both the physical recording media and the recording formats of the audio content—in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.
The LP (from long playing [2] or long play) is an analog sound storage medium, specifically a phonograph record format characterized by: a speed of 33 + 1 ⁄ 3 rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "microgroove" groove specification; and a vinyl (a copolymer of vinyl chloride acetate) composition disk.
Spring-motor-powered disc record player, c. 1909. The wax cylinder got a competitor with the advent of the Gramophone, which was patented by Emile Berliner in 1887. The vibration of the Gramophone's recording stylus was horizontal, parallel to the recording surface, resulting in a zig-zag groove of constant depth. This is known as lateral ...
The phonograph, in its later forms also called a gramophone, record player or turntable, is a device introduced in 1877 for the mechanical recording and reproduction of sound. Phonographs can also specifically refer to machines that only play Phonograph cylinder s, the gramophone is an advanced version of the phonograph that only plays disc ...
The standards do require discs to meet precise requirements in order to be called compact discs, but the other discs may be called by other names; if this were not true, no DVD drive could legally bear the compact disc logo. While disc players and drives may have capabilities beyond the standards, enabling them to read and write nonstandard ...