Dear GEKANG, thank you for posting to our Forum. Please note that this is the English Forum; for Chinese communication, please head over to our Chinese Forum.

GEKANG您好，感谢您的帖子。本平台为我们的英文论坛；中文沟通还烦请您前往我们的中文论坛平台。

您好，

请您参考一下的帖子看答案：
https://my.aximmetry.com/post/3723-how-to-get-the-audio-output-from-ue-in-a

此致敬礼，