The sound is not synchronous for the audio track of the video and the recording from the buttonhole?

Question

Audio

Good day.
I ran into a problem when synchronizing with recording the sound of the buttonhole and video.
It turns out that the sound from the buttonhole is ahead of the sound in the video.
How can this be?

Answer 1

When mixing a track at the beginning of the timeline, it begins to diverge after 1 minute by milliseconds and the gap increases over time. Although the first minute everything is in sync