Influence of Farm Work Noise on the Quantity and Quality of Mental work

本研究检验噪音如何影响脑力劳动的数量和质量的实验结果。实验包括脑力劳动过程中噪声分类（稳定噪声和间歇噪声）、噪声频谱（63 ~ 125、250 ~ 500、1 ~ 2k、4 ~ 8kHz）和a加权声压级（65、75、85、95dB）的变化，包括冲压活动和判断。结果可以总结如下：1。当噪音水平增加时，脑力劳动的数量和质量就会下降。在噪声谱1 ~ 2kHz范围内，脑力劳动的数量有所减少，但脑力劳动的质量受噪声谱的影响不大。脑力劳动的数量和质量与噪声分类无关。噪声对冲压活动的影响具有判断性。5 .随着噪音的增加，操作人员的精神疲劳也在增加。农场作业噪声对农场作业的影响是有判断性的。

This study examines the results of experiments on how noise influences the quantity and quality of mental work. The experiments consisted of changing noise classification (steady and intermittent noise), noise spectrum (63 - 125, 250 - 500, 1 - 2k, 4 - 8kHz) and a-weighted sound pressure level (65, 75, 85, 95dB) during mental work, which consisted of stamping activity with judgment. The results can be summarized as follows.1. The quantity and quality of mental work decreased when the level of noise increased.2. The quantity of mental work decreased when the noise spectrum 1 - 2kHz, but the quality of mental work was not influenced very much of the noise spectrum.3. The quantity and quality of mental work were independent of the noise classification.4. Noise exerts an influence on stamping activities with judgment.5. The mental fatigue of the operator increased as the noise levels were increased.6. Farm work noise exerts an influence on operating in farm works with judgment.