[FFmpeg-user] How to drop every Nth frame?

[Andrey Aleksandrovich]

>>> What makes you think that atempo limits the scale factor precision
>>> to only 4 significant digits? Have you tried providing a more precise scale factor?
Experience way.
0.99667 and 0.997 = +7.3 sec desync
0.99834 and 0.99824 = -3.3 sec desync