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。
Psychoacoustics of the human hearing is explicitly included into the algorithm through modifying the MP metric by the time-varying masking threshold of the input signal.
通过计算时变输入信号的心理声学参数,用信号的掩蔽值对匹配跟踪矩阵进行加权。
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。
The device comprises means for: setting a masking threshold of said documents, masking recorded documents the seniority of which in said storage means is greater than said masking threshold.
该设备包括以下装置:用于设置所述文档的隐藏阈值的装置;用于对所述存储装置中资历大于所述隐藏阈值的已记录的文档进行隐藏的装置。
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。
Objective to investigate the relationship between minimum contralateral masking level (MCML) and pure tone threshold of the masking ears by the same frequency tone masking test.
目的应用同频音掩蔽试验观察不同个体最小对侧掩蔽级(MCML)与主观纯音听阈之间的关系,进而通过MCML判定被试者主观真实听阈。
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。
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。
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