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  2. Édouard-Léon Scott de Martinville - Wikipedia

    en.wikipedia.org/wiki/Édouard-Léon_Scott_de...

    Édouard-Léon Scott de Martinville ([e.dwaʁ.le.ɔ̃ skɔt də maʁ.tɛ̃.vil]; 25 April 1817 – 26 April 1879) was a French printer, bookseller and inventor.. He invented the earliest known sound recording device, the phonautograph, which was patented in France on 25 March 1857.

  3. History of sound recording - Wikipedia

    en.wikipedia.org/wiki/History_of_sound_recording

    First developed by German audio engineers ca. 1943, two-track recording was rapidly adopted for modern music in the 1950s because it enabled signals from two or more microphones to be recorded separately at the same time (while the use of several microphones to record on the same track had been common since the emergence of the electrical era ...

  4. Timeline of audio formats - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_audio_formats

    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

  5. Timeline of speech and voice recognition - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_speech_and...

    Thomas Edison invents the first dictation machine, a slightly improved version of his phonograph. [2] 1936: Invention: A team of engineers at Bell Labs, led by Homer Dudley, begins work on the Voder, the first electronic speech synthesizer. [3] 1939: March 21: Invention: Dudley is granted a patent for the Voder, US patent 2151091 A. [3] 1939 ...

  6. Timeline of file sharing - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_file_sharing

    April – Demonoid torrent index founded. As of 2008, it is the second-largest public torrent tracker in the world. May – Poisoned is released. It is the first Kazaa client for the Mac OS X platform. [citation needed]

  7. Edison Records - Wikipedia

    en.wikipedia.org/wiki/Edison_Records

    Thomas A. Edison invented the phonograph, the first device for recording and playing back sound, in 1877.After patenting the invention and benefiting from the publicity and acclaim it received, Edison and his laboratory turned their attention to the commercial development of electric lighting, playing no further role in the development of the phonograph for nearly a decade.

  8. Production of phonograph records - Wikipedia

    en.wikipedia.org/wiki/Production_of_phonograph...

    The home phonograph disk recorders of the 1930s were expensive machines that few could afford. Cheaper machines, such as the Wilcox-Gay Recordio line, were sold during the late 1930s through the early 1950s. They operated at 78 rpm only and were similar in appearance to (and not much larger than) a portable phonograph of the era.

  9. Dictation machine - Wikipedia

    en.wikipedia.org/wiki/Dictation_machine

    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.)