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ffmpegHow to slow down audio


ffmpeg -i in.mp3 -filter:a "atempo=0.5" -vn out.mp3ctrl + c
-i in.mp3

input MP3 file

-filter:a

applies specified audio filter

atempo

allows to change speed of audio (allows values from 0.5 to 2.0)

0.5

slows down audio speed twice

-vn

skip video (process only audio)

out.mp3

resulting file