PSOLA, a popular algorithm for time-scale modification, has heavy computation, which is very difficult for on - ling operation.

目前的PSOLA算法进行时长调整时，其计算量大，很难实现实时变速不变调处理。

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The experimental results show the proposed algorithm with high robustness against common audio signal processing, MP3 compression, time-scale modification and random cropping.

实验证明该算法具有较强的鲁棒性，可以抵抗普通的信号处理、MP3压缩、时间尺度修改和随机裁剪等攻击。

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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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She says a four-year scientific study initiated by the World Bank says there is little role for genetic modification in feeding the poor on a large scale.

VOA: standard.2009.10.21

Novasite is building on Applied Molecular Evolution's existing technology to make this kind of large-scale drug modification possible.

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