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ISO 3745:1977

Acoustics — Determination of sound power levels of noise sources — Precision methods for anechoic and semi-anechoic rooms

Publication date:   May 1, 1977

95.99 Withdrawal of Standard   Nov 25, 2003

General information

95.99 Withdrawal of Standard   Nov 25, 2003

ISO

ISO/TC 43/SC 1 Noise

International Standard

17.140.01   Acoustic measurements and noise abatement in general

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Scope

Specifies two laboratory methods. Gives requirements for the test room as well as the source location, operating conditions and instrumentation. Specifies techniques for obtaining an estimate of the surface sound pressure level from which the weighted sound power level of the source and the sound power level in octave or one-third octave bands may be calculated.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 495:1966

NOW

WITHDRAWN
ISO 3745:1977
95.99 Withdrawal of Standard
Nov 25, 2003

REVISED BY

WITHDRAWN
ISO 3745:2003