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ISO 16:1975

Acoustics — Standard tuning frequency (Standard musical pitch)

Publication date:   Jan 1, 1975

General information

90.93 Standard confirmed   Sep 30, 2022

ISO

ISO/TC 43 Acoustics

International Standard

17.140.01   Acoustic measurements and noise abatement in general

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Scope

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.

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PUBLISHED
ISO 16:1975
90.93 Standard confirmed
Sep 30, 2022