12 Facts About Stereo system

Stereo system sound has been in common use since the 1970s in entertainment media such as broadcast radio, recorded music, television, video cameras, cinema, computer audio, and internet.

Five years later, the same Stereo system would be expanded onto multichannel film recording and used from the concert hall in Philadelphia to the recording labs at Bell Labs in New Jersey in order to record Walt Disney's Fantasia in what Disney called Fantasound.

VistaVision took a simplified, low-cost approach to stereophonic sound; its Perspecta system featured only a monaural track, but through subaudible tones, it could change the direction of the sound to come from the left, right or both directions at once.

CinemaScope 55 was created by the same company in order to use a larger form of the system to allow for greater image clarity onscreen, and was supposed to have had 6-track stereo instead of four.

Stereo system was reserved for dramas with a strong reliance on sound effects or music, such as The Graduate, with its Simon and Garfunkel score.

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Dual-sided stereo disc was then played vertically, first in a system that featured two tonearms on the same post facing one another, and later on in an offset system where one tonearm was placed conventionally and the other tonearm was placed opposite, i e not only on the other side of the mechanism but facing the other way as well so that both tonearms could start at the edge and play to the center.

The Stereo system was developed further however and adapted so that a single tonearm could play one side of a record or the other in jukeboxes of the late 1930s and early '40s.

Stereo system recording became widespread in the music business by the 3rd quarter of 1957.

Zenith-GE pilot-tone stereo system is used throughout the world by FM broadcasting stations.

The Westrex Stereo system provided for the polarity of one channel to be inverted: this way large groove displacement would occur in the horizontal plane and not in the vertical one.

Additionally, surface noise tends to be picked up in a greater capacity in the vertical channel, therefore a mono record played on a stereo system can be in worse shape than the same record in stereo and still be enjoyable.

Stereo system sound provides a more natural listening experience, since the spatial location of the source of a sound is reproduced.