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作者是日本松下电子部品公司技术人员，文中分析了所用零部件对扬声器音质的影响，较具体地介绍了开发新的纸盆纸用浸渍剂以提高音质的设想、方法和效果。文中还扼要地讲解了累积谱、成格纳分布和ＰＴＡ（功率瞬态分析）法，指出了后者的长处。
The author is a Japanese Matsushita electronics parts company technical staff, the article analyzes the components used in the sound quality of speakers, more specifically introduced the development of new paper impregnation impregnated paper to improve the quality of ideas, methods and effects. The article also briefly explained the cumulative spectrum, the Wiegand distribution and PTA (Power Transient Analysis) method, pointed out the strengths of the latter.