[FFmpeg-devel] [PATCH] avfilter: add apitch filter

Nicolas George george at nsup.org
Sun May 12 22:13:03 EEST 2019


Marton Balint (12019-05-12):
> Why would you want to do pitch scaling and tempo scaling in a single filter?

Because that is the same thing.

> Pitch scaling is a combo of asetrate and aresample as far as I understand.

You are mistaken: if you do that, you change the pitch and the tempo the
same way. I am sure you have at some point in your life heard an audio
recording played at a different speed, did you not?

Regards,

-- 
  Nicolas George
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