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首页> 外文期刊>IEEE transactions on information forensics and security >A Phase-Based Audio Watermarking System Robust to Acoustic Path Propagation
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A Phase-Based Audio Watermarking System Robust to Acoustic Path Propagation

机译:基于相位的音频水印系统,对声路径传播具有鲁棒性

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摘要

Today, comparing audio watermarking systems remain a challenge due to the lack of publicly-available reference algorithms. In addition, robustness against acoustic path transmission is only occasionally evaluated. This jeopardizes the chances of digital watermarking to be adopted in the context of applications where such a feature is vital, e.g., second screen, audience measurement, and so on. In this paper, we introduce a rather simple audio watermarking algorithm, whose source code has been publicized for potential reuse by the watermarking community. We then complement this baseline system with three additional components, namely a psychoacoustic model, a resynchronization framework, and an improved correlation-based detector. Reported experimental results clearly demonstrate that the resulting high-fidelity audio watermarking system manages to survive the acoustic path.
机译:如今,由于缺乏公开可用的参考算法,比较音频水印系统仍然是一个挑战。另外,仅偶尔评估针对声路径传输的鲁棒性。这危及了数字水印在具有这种功能至关重要的应用程序环境中被采用的机会,例如第二屏,观众测量等等。在本文中,我们介绍了一种相当简单的音频水印算法,该算法的源代码已公开,以供水印社区重新使用。然后,我们用三个附加组件对基线系统进行补充,即心理声学模型,重新同步框架和改进的基于相关性的检测器。报告的实验结果清楚地表明,最终的高保真音频水印系统设法在声波路径中幸存下来。

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