GB/T 6882-2008 Acoustics—Determination of sound power levels of noise sources using pressure—Precision methods for anechoic and hemi-anechoic rooms

Scope

This standard specifies the method of measuring the sound pressure level on the measurement surface surrounding the noise source in anechoic chambers and semi-anechoic chambers, thereby determining the sound power level or sound energy level of the noise source. It sets out the requirements for the test environment and instruments, and at the same time provides a method for calculating the sound power level or sound energy level from the measured surface sound pressure level, ensuring that the obtained results have a 1-level accuracy. The method specified in this standard is applicable to the measurement of all types of noise sources. The noise source can be equipment, machines, components, or accessories. The maximum size of the measurable sound source depends on the radius of the imaginary sphere (or hemisphere) of the measurement enveloping surface.

Development Information

Replace the following standards

Superseded by the following standards

Referenced Standards

Adopt standards

Related Standards