International Standard
ISO 16:1975
Acoustics — Standard tuning frequency (Standard musical pitch)
Reference number
ISO 16:1975
Edition 1
1975-01
International Standard
Read sample
p
ISO 16:1975
3601
Published (Edition 1, 1975)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 16:1975

ISO 16:1975
3601
Format
Language
CHF 42
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Abstract

Specifies the frequency for the note A in the treble stave and shall be 440 Hz. Tuning and retuning shall be effected by instruments producing it within an accuracy of 0,5 Hz.

General information

  •  : Published
     : 1975-01
    : International Standard confirmed [90.93]
  •  : 1
     : 1
  • ISO/TC 43
    17.140.01 
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