Live Link won't capture audio | corrupted footage (iphone 12mini, ios 16.6)

Summary

The live-link app suddenly stopped recording audio, and the data, once transferred to a pc, seems to be corrupted (i can’t even decompress the archive).

This seems to be the same issue another user flagged back in January, where his Iphone 16 would only produce corrupted data that fails to ingest in capture manager.

The solution suggested by Epic, which also worked in my case, was to switch the target frame rate to 30fps, send the app in background, and then resume the app, however this is not ideal.

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Other

Steps to Reproduce

Not sure what caused it, i simply started a new recording on the live link app in metahuman animator mode. All i can think about is that i had a lavalier microphone connected to the iphone, and that i switched from the mode LIVE LINK to METAHUMAN ANIMATOR before starting the recording.

The lavalier mic worked just fine with the camera app, and the audio also cannot be recorded anymore using the iphone built in microphone.

Expected Result

Audio to be captured when recording facial performance

Observed Result

When attempting to playing the performance back in the app, there’s no audio. When trying to unzip the archive on a Windows 10 machine, the archive seems to be corrupted.

Platform(s)

Iphone 12mini, IOS 16.6 and Windows 10, face link 1.5