Audio2face block unreal scene

In an unreal 5.4 project with metahuman and audio2face, everything works correctly but when the audio2face nvidia apis are called the unreal scene freezes for a moment. can you tell me if and how to eliminate this problem?

Hi @michele.facecchia and welcome to the NVIDIA developer forums.

I think this might be related to the general issue people are seeing right now with communication with our API servers when trying to use A2F.

See Issue with Audio2Face Unreal Plugin: API Key Error

no sorry, i keep having this problem. i waited a few days to verify if it was a communication problem with the apis but i don’t think so. using the unreal example, when i launch the audio, the whole scene freezes for a moment, blocking any object present in the scene. i attach a video to explain better. is there any way to avoid this lag