Sound power levels of noise sources. Precision methods for determination of sound power levels for broad-band sources in reverberation rooms.

UNGÜLTIG herausgegeben am 30.1.1981

Sound power levels of noise sources. Precision methods for determination of sound power levels for broad-band sources in reverberation rooms.

UNGÜLTIG herausgegeben am 28.3.1991

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

UNGÜLTIG herausgegeben am 30.1.1981

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

UNGÜLTIG herausgegeben am 29.3.1991

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

UNGÜLTIG herausgegeben am 30.1.1981

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

UNGÜLTIG herausgegeben am 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.

UNGÜLTIG herausgegeben am 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.

UNGÜLTIG herausgegeben am 30.1.1981

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

UNGÜLTIG herausgegeben am 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.

UNGÜLTIG herausgegeben am 30.12.1988