Sound power levels of noise sources. Precision methods for determination of sound power levels for discrete-frequency and narrow-band sources in reverberation rooms.

NEPLATNÁ vydána dne 29.3.1991

Sound power levels of noise sources. Engineering methods for determination of sound power levels for sources in special reverberation test rooms.

NEPLATNÁ vydána dne 30.1.1981

Sound power levels of noise sources. Engineering methods for determination of sound power levels for sources in special reverberation test rooms.

NEPLATNÁ vydána dne 29.3.1991

Sound power levels of noise sources. Engineering methods for determination of sound power levels for sources in free-field conditions over a reflecting plane.

NEPLATNÁ vydána dne 30.11.1981

Sound power levels of noise sources. Precision methods for determination of sound power levels for sources in anechoic and semi-anechoic rooms.

NEPLATNÁ vydána dne 30.1.1981

Sound power levels of noise sources. Survey method for determination of sound power levels of noise sources.

NEPLATNÁ vydána dne 31.7.1981

Sound power levels of noise sources. Survey method for determination of sound power levels of noise sources using a reference sound source.

NEPLATNÁ vydána dne 30.12.1988

Sound power levels of noise sources. Specification for the performance and calibration of reference sound sources.

NEPLATNÁ vydána dne 28.2.1991

Guide to the selection of methods of measuring noise emitted by machinery.

NEPLATNÁ vydána dne 21.9.1967

Method for calculating loudness.

NEPLATNÁ vydána dne 14.9.1967