ISO 16:1975
Acoustics — Standard tuning frequency (Standard musical pitch)
Acoustics — Standard tuning frequency (Standard musical pitch)
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Acoustics — Standard tuning frequency (Standard musical pitch)
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.
| Edition | 1975 |
|---|---|
| Published Date | 1975 |
| Published By | International Standardization Organisation |
| Page Count | 1 |