The watermark can be extracted without the original digital audio signal.
水印的提取不需要原始音频信号。
The proposed algorithm can extract the watermark without the help from the original digital audio signal.
该算法提取水印信息时不需要原始数字音频信号。
The algorithm proposed in this paper is digital-audio-signal-independent, that is, the original audio signal is not required in the procedure of extracting watermark.
本文提出的水印嵌入算法是数字音频信号独立型的，在抽取水印时不需要原始的信号。
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