24 @ 25 Pull-Down
This method does not change the speed of the original film. Instead, film frames
12 and 24 are pulled down for a duration of three fields instead of two, creating
a subtle stutter each half second. This pattern is technically described as
2:2:2:2:2:2:2:2:2:2:2:3 pull-down.
24 fps
25 fps
1
2
3
4
5
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
6
7
First frame of next second
1
1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
20
21
22
23
24
19
20
21
22
23
24
One second
1
2
3
4
5
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
6
7
13
14
15
16
17
18
19
20
21
22
23
24
12
13
14
15
16
17
18
19
20
21
22
23
Repeated field
Repeated field
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
24
24
One second
424
Part V
Appendixes