Comments (3)
您好,不好意思才看到您的问题,希望下列的回答对您有帮助:
- 语音部分的数据:在训练的过程中,我们使用的多通道干净语音,可以通过CHIME提供的tools/simulation/CHIME3_simulate_data.m的代码生成,代码中默认只保存了带噪的语音,需要你修改一下原本的代码,将干净的语音保存下来,因为我们的训练过程是采用动态的混合噪声的方式合成带噪语音的。其余预处理过程就只有将CHIME提供的多个单通道的语音合成了一个多通道的WAV,以方便读取。
- 噪声部分的数据:我们将CHIME提供的长达半个小时的噪声片段,裁剪成了16s左右的固定长度的噪声片段,以方便读取,当然在裁剪的过程中我们采用了overlap的方式,也就是前后两个裁剪后的噪声段是有重叠的,重叠率是50%,这样在动态混合噪声的过程中可以尽可能多利用原有的噪声。并且,对于噪声,我们也将原先CHIME单个通道的噪声片段合并成多通道的WAV文件。
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非常感谢~!:)
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