At present, the commonly used audio mixing algorithms have a protean volume.By analyzing those algorithms, the conclusion of mutative mixing weights bring on protean volume is drawn.

• 现有常用的混音算法中存在着音量突变的问题, 通过对这些混音算法的分析, 得出了变化的混音权重是导致音量忽大忽小的主要原因的结论。