Offering SNR estimation method based on the quantization noise power spectrum.
提出基于量化噪声功率谱的信噪比（SNR）估算方法。
In this paper, a fast encoding algorithm that does not enhance quantization noise is introduced.
作者在该文中提出了一种不增加量化噪声的快速编码算法。
Dithering, which adds white noise to the input analog signals, may be used to reduce quantization noise.
在输入模拟信号中加入白噪声，即抖动，可以降低量化噪声。
The modulator quantizes the input signal and move the low frequency inband quantization noise to high frequency.
调制器完成对输入信号的量化并对量化噪声进行整形，将有用信号频带内的低频噪声搬移至高频段。
The strength of the embedded watermark is image-adaptive according to the wavelets quantization noise, and combined with the error-correct code, it improved the characteristic to anti-attack.
根据小波域量化噪声自适应地确定嵌入强度，并结合纠错编码，提高了抗攻击能力。
The strength of the embedded watermark is image-adaptive according to the wavelets quantization noise, and combined with the error-correct code, it improved the characteristic to anti-attack.
根据小波域量化噪声自适应地确定嵌入强度，并结合纠错编码，提高了抗攻击能力。
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