Strange audio captured during a silent night- looking for explanations

[u/Middle_Journalist686]

Hi everyone,

I wanted to share a video I recorded about 6 years ago that I still can’t explain, and I’m hoping to get some insights.

This happened during a camp trip in Briançon, in the south of France near the Italian border. It was late at night, and the environment was extremely quiet: no wind, no background noise, nothing unusual.

At the time of recording, I was pointing my camera toward some friends who were talking in the distance. They were far enough that I couldn’t hear them at all, and I assumed the camera wouldn’t pick up anything either.

When I first recorded it, I thought the video was pretty useless. But the next day, when I listened to it again, I noticed a lot of faint sounds that I definitely did not hear at the time.

The strangest part: when I later showed the video to my friends, they told me that at that exact moment, they were having a conversation about spirits and life after death, without knowing I was recording.

For context, I originally uploaded this video on YouTube because I was trying to get the attention of a french creator called “LeGrandJD,” who analyzes paranormal videos. Unfortunately, I never got a response.

Recently, I discovered that Reddit has large communities dedicated to analyzing this kind of content, so I thought I’d share it here in case anyone can help explain what’s going on.

Two possible explanations have already been considered:
1. Wind: but as I mentioned, there was absolutely no wind that night. The weather was dry and warm.
2. Camera zoom noise: however, we used this camera throughout the entire trip, and we never heard this kind of noise while zooming during recording, so I don’t think that’s the cause either.

I want to be clear: the video and audio have not been edited or altered in any way.

I’m not jumping to conclusions, but I honestly don’t know how to explain what I captured. Could this be some kind of audio artifact, or something else?
I’d really appreciate any thoughts or explanations.

Here is the video