文章分析了心理声学模型有效的掩蔽特性，主要介绍了心理声学模型的改进音调探测方法，并给出了其实验结果。

This paper analyzes the masking characteristics of the psycho-acoustic model, concentrates on the modified tonality detection algorithm, and presents experimental results.

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在人的听觉感受中，除了声强、音调和音色外，还包括对声音空间特性的感觉，这就是人耳的空间听觉能力。

Human auditory perceive not only includes the level, tone and timbre of sound, but also the sound location, which is called the spatial hearing ability.

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