The main shortcomings of this watermarking are the low embedding rate and the lack of robustness to synchronization attacks (such as time-scale modification and pitch-scale modification).
该类水印的主要缺点是：嵌入率较低以及对同步（例如变时间和变调处理）等某些攻击的鲁棒性较差。
The main shortcomings of this watermarking are the low embedding rate and the lack of robustness to synchronization attacks (such as time-scale modification and pitch-scale modification).
该类水印的主要缺点是：嵌入率较低以及对同步（例如变时间和变调处理）等某些攻击的鲁棒性较差。
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