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high-fidelity sound system
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The stereophonic high-fidelity record player was the high point in electromechanical sound reproduction. As shown at right and upper left, it employed a vinyl long-playing disc rotated at 3313 revolutions per minute on a turntable by a belt connected to an electric motor. The pickup cartridge contained a diamond-tipped stylus and a magnetic or piezoelectric system for converting the stylus's motions into electric impulses. The electric signal was processed in a separate amplifier module (not shown) and split between two loudspeakers, which reproduced with great realism the spatial arrangement of the original sound source. The unique stereophonic groove traced by the stylus is shown in the movie, lower left.
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high-fidelity sound system

Also known as: hi-fi system
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The stereophonic high-fidelity record player was the high point in electromechanical sound reproduction. As shown at right and upper left, it employed a vinyl long-playing disc rotated at 3313 revolutions per minute on a turntable by a belt connected to an electric motor. The pickup cartridge contained a diamond-tipped stylus and a magnetic or piezoelectric system for converting the stylus's motions into electric impulses. The electric signal was processed in a separate amplifier module (not shown) and split between two loudspeakers, which reproduced with great realism the spatial arrangement of the original sound source. The unique stereophonic groove traced by the stylus is shown in the movie, lower left.
The stereophonic high-fidelity record player was the high point in electromechanical sound reproduction. As shown at right and upper left, it employed a vinyl long-playing disc rotated at 331/3 revolutions per minute on a turntable by a belt connected to an electric motor. The pickup cartridge contained a diamond-tipped stylus and a magnetic or piezoelectric system for converting the stylus's motions into electric impulses. The electric signal was processed in a separate amplifier module (not shown) and split between two loudspeakers, which reproduced with great realism the spatial arrangement of the original sound source. The unique stereophonic groove traced by the stylus is shown in the movie, lower left.

A high-fidelity (hi-fi) sound system is equipment designed for the reproduction of sound with a high degree of faithfulness to the original source. This means the system aims to recreate audio signals as accurately as possible, minimizing distortion and noise.123

Digital sound recording methods, such as those used in compact discs (CDs) and digital audio tapes (DAT), significantly contribute to higher fidelity. These systems convert audio signals into binary digits (0s and 1s), which are less susceptible to the degradation common in analog recording methods.3

In professional settings like movie theaters, sound systems are complex, involving multiple amplifiers and speakers to create immersive audio experiences, including stereo and surround sound. The goal remains consistent: to deliver sound that closely matches the original recording.42

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4 Britannica Sources
  1. hi-fi
  2. digital sound recording
  3. high fidelity
  4. motion-picture technology - Sound reproduction

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