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关于GPT-SoVITS中v3和v4版本的不支持ref_free问题 #2330

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zazachao opened this issue Apr 27, 2025 · 2 comments
Open

关于GPT-SoVITS中v3和v4版本的不支持ref_free问题 #2330

zazachao opened this issue Apr 27, 2025 · 2 comments

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@zazachao
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1、为什么v3和v4版本不支持ref_free?GPT预测的是all_phoneme对应的语义token,然后通过idx进行截断获取target_text对应的语义token,那是不是可以进行ref_free修改呢,不传入prompt_text,以及设置prompt为空,也不进行通过idx截断,GPT预测返回的就全是target_text对应的语义token。这样做也可以实现ref_free。
2、v3版本和v4版本不支持ref_free这样做的考虑是什么?如果在训练数据中,长音频数据比较少,训练出来的GPT在推理的时候是不是在ref_free的情况下更稳定呢。

@XXXXRT666
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CFM

@zazachao
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刚刚看了一下,确实如果使用CFM进行mel生成的话,需要prompt_text。

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