How to make the animation rate lower in an exported GIF

Question

I have a ".gif" figure exported from the following codes. 6 separated figures (frames) constitute a ".gif" figure. But the default time interval between each frame is less than 1 second. I hope to increase the time interval to 3 seconds, so the speed can be lower. Any one can help me? Thank you all in advance!

g1[a_, b_] := Graphics[{Red, Disk[{a, 0}, 1], Green, Disk[{1, 1}, 1], Blue, Disk[{b, 2}, 1]}];
f1 = Table[Show[g1[a, b] , PlotRange -> {{-2, 12}, {-2, 4}}  ], {a, 1, 8, 4}, {b, 0, 10, 5}];
f1 = Flatten[f1]
Export["f1.gif", f1]

enter image description here

Export["f1.gif", f1, "DisplayDurations" -> (# of seconds)] — mfvonh, Jul 04 '14 at 02:16
Also, "DisplayDurations" can be a list of time values, one for each individual frame. Ironically, this is a feature that GIF export offers whereas you can't do it easily for standard movie formats: see this question. — Jens, Jul 04 '14 at 03:22
Many thanks to mfvonh, Jens and Rahul, this option really works. — user14634, Jul 04 '14 at 04:18
Look under Options on this Documentation Center page. Also note this item from the same page: 'With the default setting "DisplayDurations"-> Automatic, the display time will vary on different viewer applications'. — m_goldberg, Jul 04 '14 at 04:19
I don't think this is correctly marked as a duplicate: They both are related questions, but the first link doesn't even have an answer for this question, and the second link you have to scroll down to the third answer. — Jason B., Oct 06 '16 at 17:20
(continued) This is the primary google search result for "mathematica gif frame rate" so I think the first comment here should be converted to an answer. — Jason B., Oct 06 '16 at 17:20
I've reopened. Anybody up for writing a canonical answer, then? — J. M.'s missing motivation, Oct 07 '16 at 02:26

score 18 · Answer 1 · edited Jun 16 '20 at 09:23

Although this is an old question, I'll post an answer:

The delay between frames (in seconds) can be controlled with the option "DisplayDurations". If it's a single number, then that's the delay between all the frames of the exported gif animation.

Another thing you can do is to provide a List as follows:

Export["f2.gif", f1, "DisplayDurations" -> {.1, 1}]
(* ==> "f2.gif" *)

Here you see a fast-slow step combination because the list of durations {.1, 1} is repeated cyclically for successive frames.

How to make the animation rate lower in an exported GIF

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