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本文叙述总谐波失真和主观失真的关系。主观失真相应于实际听觉感觉。求得了一组人耳对各次谐波失真的阈值。然后设计了有专用计权网络的电子设备,可以按照这样曲线测量电声系统的失真。
This article describes the relationship between total harmonic distortion and subjective distortion. Subjective distortion corresponds to the actual sense of hearing. Obtained a group of human ear on each harmonic distortion threshold. And then designed a dedicated network of electronic devices, according to such a curve to measure the distortion of electro-acoustic system.