音色是人们评定钢琴音色品质优劣的一项重要指标,过亮或过闷的极端音色是人们听觉审美所不能接受的,这就要求钢琴技师对现有的不良音色进行改善。在本文中,我们将从钢琴弦槌呢毡的特点入手,通过不同硬度的弦槌所产生的声音现象,分析造成其现状的原因。并结合音色与弦槌呢毡密度变化的关系,总结出不同硬度弦槌的几种处理方法,从而达到优化钢琴音色的目的。 Tone is one of the most important criteria for people to evaluate the quality of piano sound. The extreme tone that is too bright or too stuffy is unacceptable to people’s aesthetics. This requires the piano technician to improve the existing bad tone. In this paper, we will start with the characteristics of piano hammer felt, through the sound of different hardness of the hammer sound phenomenon, analysis of the reasons for the status quo. Combined with the relationship between the sound color and the change of density of the felt felt, several treatment methods of the different hardness hammers are summarized to achieve the purpose of optimizing the piano tone.