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lturing avatar lturing commented on September 3, 2024

在运行tacotron_synthesize.py,合成的wav跟trim_top_db无关。
造成这个的原因是tacotron decoder 中的prenet,prenet中有dropout,在train和inference阶段,dropout都没有关闭,对应代码,导致相同的输入,合成的mel频谱都有点不一样。

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yannier912 avatar yannier912 commented on September 3, 2024

@lturing
哦哦了解了!感谢!~
我试一下inference时候把dropout设置为1,看下效果。

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lturing avatar lturing commented on September 3, 2024

inference 阶段dropout还不能关闭,dropout会使得prenet输出的信息有损失,迫使模型依赖attention中的context(alignment很好),不过你可以试试。
如果在training阶段也把prenet关掉,那么很有可能学不到alignment

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yannier912 avatar yannier912 commented on September 3, 2024

@lturing
嗯是的……那只能dropout开着了。
finetune的模型效果比较好的话,dropout影响不明显,模型效果不太好dropout就还蛮影响的。
感谢解惑!

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