1/1 八音度 1/3 八音度带通滤波器 | 1/1 八音度分析频带之中心频率 (9 个频带 ) : 31.5Hz,63Hz,125Hz,250Hz,500Hz,1KHz,2KHz,4KHz,and 8KHz. 1/3 八音度分析频带之中心频率 (27 个频带 ) : 25Hz,31.5Hz,40Hz,50Hz,63Hz,80Hz,100Hz,125Hz,160Hz, 200Hz,250Hz,315Hz,400Hz,500Hz,630Hz,800Hz,1KHz,1.25KHz, 1.6KHz,2KHz,2.5KHz,3.15KHz,4KHz,5KHz,6.3KHz,8KHz,10KHz |