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La historia del sonido

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  • February 26, 2021
  • Unknown
  • 2020/2021
  • Interview
  • Unknown
  • Unknown
  • Secondary school
  • Bachillerato
  • 6
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3​.Historia de la eovucion y
reproduccion del
sonido.Los formatos de
sonido y video.
Introduccion
El sonido al igual que la luz es una onda electromagnetica que se mie en
decibelios.Los griegos ya se plantearon la reproduccion del sonido , opr
eso creaban anfiteatros con medio circulo para que sonara mas fuerte.


·​ ​Grabacion y reproduccion del sonido
Leon Scoott en 1857 invento ​fonoautografo​.Un
cilindro con forma de bocina , por detras tenia
una cera que perforaba con una aguja cuando se
hablaba segun la intensidad con la que se hablaba
se hacia mas profundo y se le ponia una laca para
que no se rompiera.




En 1867 Thomas Alva Edison invento el ​fonografo
mantenia una velocidad constante y reproducia y
grababa a la vez.




El ​gramofono ​fue inventado en 1890 tambien
por Thomas Edison y tiene un disco.Tenia una
aguja conectado al altavoz.Tenia una aguja
que tocaba los discos y seguia los surcos de
este , esto producia el sonido.El disco solo
podia ser grabado por una cara y tenia una
velocidad de 80rev/min .Mas tarde se pudo
grabar por las dos caras.

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