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the vinyl lp and single

Just as the movie industry had reacted against television with the development and release of talking pictures, the record industry reacted against radio with the development of the long-playing disk (LP), which was introduced by CBS Records (now owned by Columbia Records) in 1948. The LP was the first stereo-capable long-player and marked the beginning of the high-fidelity (hi-fi) recording era.

Sound quality was greatly improved by the use of vinyl, allowing the size of the grooves to be smaller for a longer playing time, with a reduction in surface noise, an improved signal-to-noise ratio and a generally enhanced recorded signal. Technological advances such as these allowed more music than was previously possible to be stored on a disk the same size, but producing a better sound quality despite its slower rotational speed of 33 1/3 rpm.

Still available today, though not as common as in previous decades, sales of record albums peaked in 1978, before a gradual decline greatly accelerated by the introduction of the Compact Disc in the early 1980s.

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