simultaneous masking which is an important research content of psychoacoustic, have a wide range of applications in audio coding, speech enhancement and so on.
同时掩蔽是心理声学的重要研究内容,在音频压缩编码、语音增强等方面有着广泛的应用。
so its hetf is much smoother and has a good repeatability. in the second part, the simultaneous masking thresholds on real person are measured by using three earphones as sound source respectively.