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The cartridge contains a removable or permanently mounted stylus, the tip - usually a gemstone, such as diamond or sapphire - of which makes physical contact with the record's groove. In popular usage and in disc jockey jargon, the stylus, and sometimes the entire cartridge, is often called the needle. As the stylus tracks the serrated groove ...
Changing home audio trends affected BSR in the early 1980s. Although the company produced reel-to-reel tape decks in addition to their turntables and changers, consumers began to expect portability from their music players, and BSR faced competition from cassette tape players, particularly Sony's Walkman. In the first five years of the 1980s ...
For the CED player, this tracking arrangement has the additional benefit that the stylus drag angle remains uniformly tangent to the groove, unlike the case for a phonograph tonearm, in which the stylus drag angle and consequently the stylus side force varies with the tonearm angle, which in turn depends on the radial position on the record of ...
Playback controls on a CD player. Control symbols on a Sony Betamax Portable. In digital electronics , analogue electronics and entertainment , the user interface may include media controls , transport controls or player controls , to enact and change or adjust the process of video playback, audio playback, and alike.
Turntablists typically manipulate records on a turntable by moving the record with their hand to cue the stylus to exact points on a record, and by touching or moving the platter or record to stop, slow down, speed up or, spin the record backwards, or moving the turntable platter back and forth (the popular rhythmic "scratching" effect which is ...
A recording lathe and chisel-like cutting stylus like those used to record in wax would be used to engrave the groove into this lacquer surface instead. Given a top-quality blank disc, cutting stylus, lathe, electronics and recording engineer, the result was a broadcast-quality recording which could be played several times before the effects of ...
The projector used a steady light and a photodetector to convert these variations back into an electrical signal, which was amplified and sent to loudspeakers behind the screen. [ c ] Optical sound became the standard motion picture audio system throughout the world and remains so for theatrical release prints despite attempts in the 1950s to ...
The World Record Controller was an attachment for ordinary record players that slowed the turntable down when playing the outside of the record and allowed it to gradually speed up as the needle was carried inward by the groove. Of course, only special World records could be used. The World system was a commercial failure.