Home / Standards / GB/T 6881-2023 GB/T 6881-2023 Active Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms 声学 声压法测定噪声源声功率级和声能量级 混响室精密法 Standard Type GBT ICS 17.140 CCS A59 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 中国科学院 Drafting Unit N/A