Reference number
ISO/R 226:1961
© ISO 2024
ISO/R 226:1961
Normal equal-loudness contours for pure tones and normal threshold of hearing under free field listening conditions
Edition 1
1961-12
Withdrawn
Withdrawn (Edition 1, 1961)

General information

  • Status
     : Withdrawn
    Publication date
     : 1961-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 8
  • Technical Committee :
    ISO/TC 43
    ICS :
    13.140 
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