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It records sound with a groove embossed into soft vinyl discs with a stylus. [ 1 ] [ 2 ] [ 3 ] Similar competing recording technologies are the Gray Audograph and Dictaphone DictaBelt . The machine can record 15 minutes of dictation on each side of a thin (.01-inch) [ 3 ] flexible 6-inch vinyl disc spinning at a rate of 33 + 1 ⁄ 3 RPM, at a ...
Shortly after Thomas Edison invented the phonograph, the first device for recording sound, in 1877, he thought that the main use for the new device would be for recording speech in business settings. (Given the low audio frequency of earliest versions of the phonograph, recording music may not have seemed to be a major application.)
On March 25, 1857, Scott received the French patent [17] #17,897/31,470 for his device, which he called a phonautograph. [18] The earliest known surviving recorded sound of a human voice was conducted on April 9, 1860, when Scott recorded [16] someone singing the song "Au Clair de la Lune" ("By the Light of the Moon") on the device. [19]
Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording .
Today, every smartphone also serves as a portable media player; however, prior to the rise of smartphones in the 2007–2012 time frame, a variety of handheld players were available to store and play music. The immediate predecessor to the portable media player was the portable CD player and prior to that, the personal stereo.
Many also permit iPod and similar devices to be plugged into them through one or more auxiliary input jacks. Some also support formats such as MP3 and WMA. Another modern variant is a DVD player/boombox with a top-loading CD/DVD drive and an LCD video screen in the position once occupied by a cassette deck. [67]
Sound-on-disc is a class of sound film processes using a phonograph or other disc to record or play back sound in sync with a motion picture. Early sound-on-disc systems used a mechanical interlock with the movie projector , while more recent systems use timecodes .
A sound engineer can use the cue feature to, for instance, get a sound recording they wish to play soon cued up to the start point of a song, without the listeners hearing these actions. The signal from the cue system is fed to the console's headphone amp and may also be available as a line-level output that is intended to drive a monitor ...