This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
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.
Status: PublishedPublication date: 1975-01
Edition: 1Number of pages: 1
Technical Committee: ISO/TC 43 Acoustics
- ICS :
- 17.140.01 Acoustic measurements and noise abatement in general
This standard contributes to the following Sustainable Development Goal:
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|std 2 40||Paper|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
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