standard test method for evaluating masking sound in open offices using a-weighted and one-third octave band sound pressure levels 用a加權(quán)和13倍頻帶聲壓級評價敞開式辦公間掩蔽聲的標(biāo)準(zhǔn)試驗方法
test results are analyzed in one third octave band spectrums mainly regarding vibration-sensitive instruments and emphasizing on low frequency band 測試結(jié)果的分析主要是針對振動敏感儀器的,在頻域內(nèi)采用1/3倍頻程頻譜,重點考慮低頻段的地面響應(yīng)。