How to extract audio tracks from video files A and replace them in video files B with further correction of out of sync?

Question

Video

Hello everyone
Advise a simple but high-quality program.
And the instructions, please, in a nutshell under the tasks above, you need to replace the sound in ~ 180 videos (HEVC) with out of sync. Thank you!

Answer 1

ffmpeg

Answer 2

Desync is different.
Try the free XMedia Recode https://www.xmedia-recode.de/ with a clean interface. The Audio/Video synchronization switch is enabled by default.