ISO 16:1975
p
ISO 16:1975
3601

Abstract

 Preview

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
  •  : 1
     : 1
  •  : ISO/TC 43 Acoustics
  •  :
    17.140.01 Acoustic measurements and noise abatement in general

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