DS/ISO 3742:1991 Acoustics. Determination of sound power levels of noise sources. Precision methods for discrete-frequency and narrow-band sources in reverberation rooms
This International Standard specifies the special requirements that are necessary for accurate determinations of the sound power when discrete frequencies or narrow bands of noise are radiated by a source.
DS/ISO 3742:1991 history
1991DS/ISO 3742:1991 Acoustics. Determination of sound power levels of noise sources. Precision methods for discrete-frequency and narrow-band sources in reverberation rooms