SyncGuard: Robust Audio Watermarking Capable of Countering Desynchronization Attacks

• URL: http://arxiv.org/abs/2508.17121v2
• Date: Mon, 01 Sep 2025 05:12:55 GMT
• Title: SyncGuard: Robust Audio Watermarking Capable of Countering Desynchronization Attacks
• Authors: Zhenliang Gan, Xiaoxiao Hu, Sheng Li, Zhenxing Qian, Xinpeng Zhang,
• Abstract summary: We propose a learning-based scheme named SyncGuard to address these challenges.<n>Specifically, we design a frame-wise broadcast embedding strategy to embed the watermark in arbitrary-length audio.<n>To further enhance robustness, we introduce a meticulously designed distortion layer.
• Score: 41.25345809241139
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Audio watermarking has been widely applied in copyright protection and source tracing. However, due to the inherent characteristics of audio signals, watermark localization and resistance to desynchronization attacks remain significant challenges. In this paper, we propose a learning-based scheme named SyncGuard to address these challenges. Specifically, we design a frame-wise broadcast embedding strategy to embed the watermark in arbitrary-length audio, enhancing time-independence and eliminating the need for localization during watermark extraction. To further enhance robustness, we introduce a meticulously designed distortion layer. Additionally, we employ dilated residual blocks in conjunction with dilated gated blocks to effectively capture multi-resolution time-frequency features. Extensive experimental results show that SyncGuard efficiently handles variable-length audio segments, outperforms state-of-the-art methods in robustness against various attacks, and delivers superior auditory quality.

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