2.1.8 Custom Audio FPS Change

[Popeye13]

Hi.
Just installed the 2.1.8 (Win11) and see it now has an additional option for custom audio change, but i haven't got a clue how to use it and there is nothing on the wiki.
Changing Film (23.976) to Pal (25.000) i use often, however, i haven't got a clue how id use it for 24.000 to 25.000.
Any help or guidance would be greatly welcome and appreciated.

Thanks

[szlldm]

If you first set a Change FPS video filter, then the Tempo multiplier entry is automatically set to the correct value.
Else you need to enter the value. If doing 24 to 25 fps (speed-up), then the Tempo multiplier should be 25/24 = 1.041666666666666666666667

[Popeye13]

Thanks alot for your explanation, its appreciated.

Does it matter that i can't enter the last few numbers? (666666666666667)

[szlldm]

Does it matter that i can't enter the last few numbers?

It does not. It does matter only if the video is very long (like thousands of hours)

[Popeye13]

Just tried on a 10min video, and by the end of it, i was getting drift-OOS

[szlldm]

Are the frame rates exactly 25 and 24? If not, it could explain that.

[Popeye13]

Exactly 24p, yes. (Set to output to 25p)

[szlldm]

I have not noticed any drift, testing on hours long movie, using Change FPS filter and let it automatically fill Tempo multiplier.

[Popeye13]

I shall try again and report back

[Popeye13]

Sorry for the late update, work has been horrendous!

Now, having tried again, and not doing it half-asleep, i have better results that aren't OOS.
No doubt i got it wrong, especially doing something first-time, but now all good.
A massive thank you to all that helped, its appreciated