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Bruno Silveira Coronel
Na audição natural, é facilmente observado que os sons são
ouvidos a partir de locais específicos.
Os seres humanos podem ouvir claramente em três dimensões,
tanto de cima, quanto por baixo, a qualquer direção e a qualquer
distância.
Tanto a gravação binaural quanto a gravação estereo são feitas
por dois canais, porém o sinal binaural se diferencia pela
complexidade que é emitida ao receptor, causando um sensação
tridimensional e noção de localização.
Existem microfones modelados para produzir uma gravação
binaural: esses microfones forjam a cabeça humana, fazendo que
seja gravado o som da mesma forma que o som é percebido por
nós.
Para ser percebido o som binaural precisa ser escutado por fones
de ouvidos, isso porque os sinais que são gravados ao serem
produzidos com os fones se correlacionam. Desta forma fazem
com que o córtex do cérebro ligue um sinal ao outro, dando a
ilusão de que o som é de um espaço real.
http://www.youtube.com/watch?v=IUDTlvagjJA
Gravação binaural x estereo: como funciona a percepção tridimensional do som

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Gravação binaural x estereo: como funciona a percepção tridimensional do som

  • 2. Na audição natural, é facilmente observado que os sons são ouvidos a partir de locais específicos. Os seres humanos podem ouvir claramente em três dimensões, tanto de cima, quanto por baixo, a qualquer direção e a qualquer distância. Tanto a gravação binaural quanto a gravação estereo são feitas por dois canais, porém o sinal binaural se diferencia pela complexidade que é emitida ao receptor, causando um sensação tridimensional e noção de localização.
  • 3. Existem microfones modelados para produzir uma gravação binaural: esses microfones forjam a cabeça humana, fazendo que seja gravado o som da mesma forma que o som é percebido por nós.
  • 4.
  • 5.
  • 6. Para ser percebido o som binaural precisa ser escutado por fones de ouvidos, isso porque os sinais que são gravados ao serem produzidos com os fones se correlacionam. Desta forma fazem com que o córtex do cérebro ligue um sinal ao outro, dando a ilusão de que o som é de um espaço real.
  • 7.
  • 8.