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基于听觉优先效应中的融合现象,探讨了主观空间分离下的汉语信息掩蔽效应。实验用左右两个扬声器来播放目标言语信号和掩蔽声音,并通过改变两个扬声器之间的延迟来操作掩蔽声音的主观空间位置。结果显示,尽管言语信号和掩蔽声音都由同样的扬声器播放而没有实际的空间分离,这种利用优先效应所产生的主观空间分离却可以提高言语识别的正确率。在信息掩蔽条件下由主观空间分离所造成的言语识别的改善显著地高于在能量掩蔽条件下的改善。这些结果为如何分离对言语信号的能量掩蔽与信息掩蔽,以及为相关的建筑声学和通讯技术的研究与应用提供了听觉心理学的参考。
Based on the fusion phenomenon in auditory prioritization, the masking effect of Chinese information under subjective spatial separation is discussed. Experiment with two speakers left and right to play the target speech signal and masking sound, and by changing the delay between the two speakers to operate masking sound subjective spatial position. The results show that although the speech signal and the masking sound are played by the same speaker without actual spatial separation, the subjective spatial separation by using the preferential effect can improve speech recognition accuracy. The improvement of speech recognition caused by subjective spatial separation under information masking conditions is significantly higher than that under energy masking conditions. These results provide an auditory psychology reference for how to separate energy masking and information masking of speech signals and for the research and application of related architectural acoustics and communication technologies.