AI SHELL3 语音集 label_train-set.txt 貌似项目没有用起来

这个一般怎么用？
`SSB00430444|chi2 qi3 % hong2 ying1 qiang1 % zhui1 gan3 % dui4 fang1 % ban4 gong1 li3 $|持起%红缨枪%追赶%对方%半公里$`

code 有 接口吗？ 这个感觉 很重要 。自己做语音集的时候 感觉这个白白浪费手工了。

Start by searching the repository for label_train-set.txt and tracing whether its format is read by the training or data-preparation entry points. Check the existing code interfaces and dataset instructions; done means clearly documenting how to use this label file, or recording that no usable interface exists.

Written by the indexing model from the issue text.