How to merge two .srt files

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Suppose we have two subtitle files: and We want to merge them into one single file

We assume that is properly synchronized. We need to shift all the times in
We need to find out the duration to add to

Method 1:
ffmpeg -i CD1.avi
Check the line with the Duration of the file.

Simply watch the movie and fast-forward to the beginning of CD2. Note the time at which the first line of appears. Subtract the time which was set for that line.

Install dev-python/pysrt then do:
srt -i shift 64m4s
where 64m4s is the time shift to apply.

Then merge the two files:

cat >

Issues related to this page:

ProjectSummaryStatusPriorityCategoryLast updatedAssigned to
Linux softwarepysrt: no option to merge two .srt filesactivenormalfeature request6 years 27 weeks