ISO 226:1987

Acoustics -- Normal equal-loudness level contours

Specifies the relations existing between the sound pressure levels and frequencies of pure sinusoidal continuous tones in several conditions. These relations are expressed as curves and represent a fundamental property of the human auditory system.


General information

  • Status :  Withdrawn
    Publication date : 1987-05
  • Edition : 1
  • :
    ISO/TC 43
    Acoustics
  • 13.140
    Noise with respect to human beings

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