播放输出文件以检测其是否正确，如果效果良好，说明转换没有发生错误。

Test the output file's correctness by playing it back. If it sounds OK, it's fine.

youdao

播放输出文件以检测其是否正确，如果效果良好，说明转换没有发生错误。

Test the output file's correctness by playing it back. If it sounds OK, it's fine.

youdao