Please refer to the following steps to verify the issue:
Using an external microphone
Please confirm whether the external microphone is in the compatibility list;
If it is not in the compatibility list, it is recommended to turn on wind noise reduction and make sure that the firmware is the latest version before trying again. If the video still has bad audio, it may be caused by the compatibility;
If it is in the compatibility list, please make sure to enable wind noise reduction and ensure that the firmware is the latest version. If there are any problems, please send the original insv file to us for further support.
Using the built-in mic
Please make sure to enable wind noise reduction and make sure that the firmware is the latest version and try again; if there are any problems, please send the original insv file to us for further support.