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

Reino Wijnsma rwijnsma at xs4all.nl
Sat May 8 03:28:35 EEST 2021

On 2021-04-28T08:51:15+0200, Bo Berglund <bo.berglund at gmail.com> wrote:
> So I wonder if there is an ffmpeg command that can modify the pitch of the audio
> without changing the playback speed or lipsync?
Lower pitch: -af "asetrate=22050,aresample=44100,atempo=2"
Higher pitch: -af "asetrate=88200,aresample=44100,atempo=0.5"

Bonus; 440Hz to 432Hz tuning: -af "asetrate=44100*432/440,aresample=44100,atempo=440/432"


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