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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. The groove usually starts near the outside edge and ends near the center of the disc.
For example: all of the following are "phonorecords" under the law: A wire recording; a 16-rpm, 33-rpm, 45-rpm or 78-rpm phonograph record (vinyl disc), a reel-to-reel tape, an 8-track tape, a compact cassette tape, a compact disc, an audio DVD, and an MP3 file stored on a computer, compact disc or USB flash drive.
The flexi disc (also known as a phonosheet, Sonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable. Flexible records were commercially introduced as the Eva-tone Soundsheet in 1962.
Acetates of 12", 10", 7" sizes. An acetate disc (also known as a lacquer, test acetate, dubplate, or transcription disc) is a type of phonograph record generally used from the 1930s to the late 1950s for recording and broadcast purposes.
This was before the organization of the North American Phonograph Company, which first produced cylinder recordings for public use, and thus Berliner's flat disc record is roughly contemporary with the exploitation of the cylinder medium, though it took longer for Berliner to commence production of his discs in America.
The disc phonograph record was the dominant commercial audio distribution format throughout most of the 20th century, and phonographs became the first example of home audio that people owned and used at their residences. [5] In the 1960s, the use of 8-track cartridges and cassette tapes were introduced as alternatives.
An Edison Home Phonograph for recording and playing brown wax cylinders, c. 1899. The phonograph, invented by Thomas Edison in 1877, [12] could both record sound and play it back. The earliest type of phonograph sold recorded on a thin sheet of tinfoil wrapped around a grooved metal cylinder.
One could select to record something from the radio or one could record using the hand-held microphone. The RAE-59 sold for a hefty $350.00 at a time when many manufacturers had trouble finding buyers for $50.00 radios. The home phonograph disk recorders of the 1930s were expensive machines that few could afford.