介绍了人耳生理系统和掩蔽效应的特性，并阐述了视音频压缩标准MPEG1音频部分的心理声学模型。
By analyzing human physiological audio system and its masking effect, this paper illustrates the psychoacoustic model in audio part of the ISO video coding standard MPEG1.
对人类生理声学和心理声学的了解是研究三维声音技术的基础。
The knowledge of physiological acoustics and psychological acoustics is the basis of the research of 3D sound technology.
对人类生理声学和心理声学的了解是研究三维声音技术的基础。
The knowledge of physiological acoustics and psychological acoustics is the basis of the research of 3D sound technology.
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