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Three vinyl records of different formats, from left to right: a 12 inch LP, a 10 inch LP, a 7 inch single. 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 researchers invented the exponential horn, and, on realizing that it needed to be nine feet long to reproduce the lowest frequencies on the new discs, designed a method for "folding" the horn into a cabinet of practical size. The design was released by Victor as the "Orthophonic" Victrola in the autumn of 1925.
Tinfoil Phonograph: In 1877, Thomas Edison invented the first recorder that could also play back Analog; sound waveform transcribed to tinfoil 1883 Piano roll: A piano roll used in a player piano Digital (vacuum-operated piano) 1886 Music Box disc 8'' disc for playback on a music box Digital (vacuum-operated music box) Late 1880s Brown Wax cylinder
It was approved in early 1916 with their first phonograph models and records appearing in their Spring 1916 catalog. [ 1 ] [ 7 ] Beginning in the 1920s, the brand was expanded to include Silvertone radios and again expanded in the 1930s to musical instruments, superseding the previously-used Oxford branding.
The first practical sound recording and reproduction device was the mechanical phonograph cylinder, invented by Thomas Edison in 1877 and patented in 1878. [1] The next major technical development was the invention of the gramophone disc in 1889. For much of the 20th century, records were the most common way of selling sound recordings.
Later improvements through the years included modifications to the turntable and its drive system, stylus, pickup system, and the sound and equalization systems. 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 ...
1921 : First commercial AM radio Broadcast made by KDKA, Pittsburgh, PA; 1925 : The Victor Orthophonic Victrola Phonograph was invented. A far superior product in comparison to other phonograph manufacturers was an acoustic sound design that was far superior to current offerings.
Ring-and-spring microphones, such as this Western Electric microphone, were common during the electrical age of sound recording c. 1925–45.. The second wave of sound recording history was ushered in by the introduction of Western Electric's integrated system of electrical microphones, electronic signal amplifiers and electromechanical recorders, which was adopted by major US record labels in ...