A speech enhancement algorithm based on auditory masking effect is presented.
提出了一种基于听觉掩蔽效应的语音增强算法。
An approach to speech enhancement based on auditory masking properties is presented.
采用了一种基于人耳听觉掩蔽效应的语音增强算法。
Then human auditory masking is studied where its characteristic is combined with the multi-band spectral subtraction method.
其次，本文研究了人耳听觉掩蔽特性，并将听觉掩蔽效应应用于多频带谱减的语音增强方法中。
Watermarking embedding algorithm based on auditory masking is proposed in this paper, which embeds watermarking based on masking threshold in low-band coefficients of DCT transformation.
文中提出一种基于听觉掩蔽效应的音频数字水印算法，根据掩蔽阈值在DCT低频系数中嵌入水印。
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。
And in perceptual weighting stage, auditory masking effect is used. A perceptual weighting filter is designed to filter the enhanced speech by spectral subtraction so as to remove residual noise.
在感知加权处理中充分利用了人耳的掩蔽效应，设计了感知加权滤波器，对谱减法增强后的语音进行滤波，进一步消除残余噪声。
And in perceptual weighting stage, auditory masking effect is used. A perceptual weighting filter is designed to filter the enhanced speech by spectral subtraction so as to remove residual noise.
在感知加权处理中充分利用了人耳的掩蔽效应，设计了感知加权滤波器，对谱减法增强后的语音进行滤波，进一步消除残余噪声。
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