Reference number
ISO 16:1975
© ISO 2025
International Standard
ISO 16:1975
Acoustics — Standard tuning frequency (Standard musical pitch)
Edition 1
1975-01
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Published (Edition 1, 1975)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 16:1975

Language
Format
CHF 43
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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

  • Status
     : Published
    Publication date
     : 1975-01
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 1
  • Technical Committee :
    ISO/TC 43
    ICS :
    17.140.01 
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This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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