Changes between Version 18 and Version 19 of How to speed up / slow down a video

Timestamp:

Sep 7, 2023, 2:41:07 PM (3 years ago)

Author:

WyattBlue

Comment:

New versions of FFmpeg expand atempo's range

How to speed up / slow down a video

@@ -64 +64 @@
 }}}
 
-The atempo filter is limited to using values between 0.5 and 2.0 (so it can slow it down to no less than half the original speed, and speed up to no more than double the input). If you need to, you can get around this limitation by stringing multiple atempo filters together. The following with quadruple the audio speed:
+The atempo filter is limited to using values between 0.5 and 100.0 (so it can slow it down to no less than half the original speed, and speed up to no more than 100x the input). If you need to, you can get around this limitation by stringing multiple atempo filters together. The following with quadruple the audio speed:
 {{{
 ffmpeg -i input.mkv -filter:a "atempo=2.0,atempo=2.0" -vn output.mkv