In this paper we put forward a method to estimate the audio masking threshold.
本文提出了一种估计听觉掩蔽门限的算法。
An algorithm was presented, which hided the image in audio signal based on the masking effect, the image could be transmitted in audio secretly.
提出一种利用人耳的掩蔽效应，将图像隐藏于音频信号中，实现图像在音频中隐秘传输的算法。
Calculating masking threshold of every critical band by auditory masking model, then quantization steps are controlled by masking threshold and value of audio carrier of the embedding points.
依据听觉掩蔽模型计算每个临界频带的掩蔽阈值，再根据水印嵌入点处的掩蔽阈值和音频载体值的大小共同控制量化步长。
Because of considering the temporal masking effects to set up a threshold and the valid hop size of transient points, this method is very suitable for perceptual audio coding.
由于考虑了时域掩蔽效应来设置检测门限和有效瞬态点间隔，非常适用于感觉音频编码。
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。
An adaptive audio digital watermarking method based on frequency masking is proposed in this paper.
文章提出了一种基于频率掩蔽效应的自适应音频数字水印算法。
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。
Other features include privacy masking, motion detection, 3D digital noise reduction, alarm in/out, and two-way audio communication.
其他功能还包括隐私屏蔽，运动检测，3D数码降噪，报警输入/输出和双通道音频连接。
Other features include privacy masking, motion detection, 3D digital noise reduction, alarm in/out, and two-way audio communication.
其他功能还包括隐私屏蔽，运动检测，3D数码降噪，报警输入/输出和双通道音频连接。
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