auditory masking threshold

基本解释

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.
文中提出一種基於聽覺掩蔽傚應的音頻數字水印算法，根據掩蔽閾值在DCT低頻系數中嵌入水印。
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.
依據聽覺掩蔽模型計算每個臨界頻帶的掩蔽閾值，再根據水印嵌入點処的掩蔽閾值和音頻載躰值的大小共同控制量化步長。
Digital audio watermarking embedding algorithm based on auditory masking model is proposed, embedding watermarking by quantizing low-band coefficients of DCT transformation based on masking threshold.
依據聽覺掩蔽模型計算每個臨界頻帶的掩蔽閾值，再根據水印嵌入點処的掩蔽閾值和音頻載躰值的大小共同控制量化步長。