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ISO 226:1987

Acoustics — Normal equal-loudness level contours

Standard Details

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Status : WITHDRAWN
Standard Type: Main
Document No: ISO 226:1987
Document Year: 1987
Pages: 8
Edition: 1
  • ICS:
  • 13.140 Noise with respect to human beings

Life Cycle

WITHDRAWN

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WITHDRAWN
ISO 226:1987
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