[FFmpeg-user] Possible to change pitch of audio in a downloaded mp4 file?

Michael Koch astroelectronic at t-online.de
Wed Apr 28 10:03:26 EEST 2021

Am 28.04.2021 um 08:51 schrieb Bo Berglund:
> Sometimes when I download a video it turns out to have some issues that has
> raised the audio pitch of the video making it not so enjoyable to watch/hear.
> So I wonder if there is an ffmpeg command that can modify the pitch of the audio
> without changing the playback speed or lipsync?

Yes, this is possible with a combination of asetrate, atempo and 
aresample filters.
See chapter 3.4 in my book:


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