GB/T 4129-2025
ActiveAcoustics—Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
声学 用于声功率级测定的标准声源的性能与校准要求
Application Summary AI generated
This standard specifies the performance requirements and calibration procedures for reference sound sources used to determine the sound power levels of noise-emitting equipment. It is applied in acoustical testing laboratories and industrial environments where engineers need to calibrate measurement setups or verify the acoustic output of machinery, appliances, and other products. The standard ensures consistent and traceable sound power measurements across different testing facilities and industries.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.