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phon

/fɒn/

Tradução: Unidade de medida usada em acústica para expressar a sonoridade subjetiva de um som, definida pela comparação com um tom de referência de 1 kHz.

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noun

C2formalcommontechnical/fɒn/

A unit used in acoustics to measure the subjective loudness of a sound, based on a comparison with a reference tone.

  • 🇵🇹Unidade de medida usada em acústica para expressar a sonoridade subjetiva de um som, definida pela comparação com um tom de referência de 1 kHz.
  1. Unit of loudness C2 formal scientific

    A unit of subjective loudness, equal to the loudness of a sound that is judged by listeners to be equal to a reference sound of a given intensity.

    • The noise level in the factory was measured at 80 phons.
    • A sound of 40 phons is perceived as twice as loud as a sound of 30 phons.
    • The phon scale is used in acoustics to quantify perceived loudness.

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