audio hiding writen label 音频密写标签
Audio Information Hiding 音频信息隐藏
digital audio data hiding 音频信号隐藏
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Based on audio hiding technology, echo hiding technology is presented with description of message embedding and extracting process.
基于声音隐藏技术，分析了回声隐藏的嵌入和提取过程。
This paper presents an audio hiding algorithm based on DWT. The security information is embedded in the larger coefficients of high frequency range detail signal.
提出了一种基于小波变换的语音信息隐藏算法，算法在小波变换的高频系数中嵌入密文信息，获得了很好的隐藏效果。
Osama bin Laden and Ayman al-Zawahiri, his deputy, sent video and audio messages from their hiding places, but did not appear to control operations, which were "franchised" to local groups.
奥萨马·本·拉丹(Osama bin Laden)及其副手艾曼·扎瓦西里(ayman al - Zawahiri)从他们的躲藏地发出录像或录音讯息，但看起来并未操纵行动，而是“授权”给当地组织。
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