17.140.01
Acoustic measurements and noise abatement in general
Buying
Withdrawn
Scope
Specifies two methods for determining a single numerical value of a given sound, the first method is based on physical measurements, such as spectrum analyses in octave bands, the second method is based on spektrum analyses in one-third octave bands.
Life cycle
NOW
WITHDRAWN ISO 532:1975 95.99
Withdrawal of Standard Jun 15, 2017