I want to convert audio/video file to SRT. I've tried these commands:

ffmpeg -i sample.mp4 sample.srt
ffmpeg -threads 4 -i sample.mp4 -vn -an -codec:s:0.2 srt sample.srt

But then I learned that it was for extracting the subtitle from already subtitled videos. Is there a way I can generate subtitles from mp4/mp3 files?

Thanks in advance!

2 Answers

You need a tool that does speech-to-text and creates as subtitle file. This is a very specialized operation.

See the articleHow to Generate Subtitles for Audio and Video? [9 Best Tools]for a list of websites and tools, where the first in the list is YouTube.

2

As far as I know ffmpeg alone does not support speech recognition.

There are some other tools to do that, like Autosub.

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