Abstract
The most fundamental aspect of the noise influence on human beings is the size of the noise source. This paper investigates the acoustics characteristics of the sound-7A coloring system and compares each of the sound-7A colors with respect to a curve type. In this paper, the sound-7A coloring method is applied to the interlayer noise, when considering the level of noise and the energy ratio of the lightweight source to frequency band. The influence of the interlayer noise on cognitive mechanism of human beings is analyzed based on the loudness curve of human consciousness. The colors can be determined in both lightweight interlayer noise and heavy interlayer noise. As previously explained by the cocktail party effect human perceptive ability picks out some specific information among meaningless noise because it is somehow irritating to human ears. Out of some characteristics of the sound-7A coloring method, the energy ratio of the blue sound color band is nearly as twice as much for that of pink noise. Th...
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