Video registration with headphones, no audio registered: how can I recover the audio?

[LuciaSTM]

Hello everyone, I need help for the title matter.
I registered an important call with OBS and had my headphones on, wired headphones, unfortunately once I watched again the registration I realized there was no audio registered. Is there a way to recover the audio of this video?

Thanks in advance for anyone who can be of help.

 

[koala]

You did not seem to actually record the audio. In your media player, check if there are multiple audio tracks present and check every track for your call. If it's not in the video, it's not there and thus cannot be recovered.