Based on the masking properties of the psychoacoustic model, we then derive the required sound pressure level of the watermark.
基于心理声学模型的掩蔽特性，可以得出水印被要求的相应的声压级。
However, the audio coding technology for ultra wideband mostly USES perceptual coding which is based on the psychoacoustic model.
而带宽范围较宽的音频编码采用的则多是基于心理声学的感知编码技术。
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.
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。
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