[FFmpeg-user] Concat Creates SlowMo Audio for a Portion of Output

Vincent Deconinck vdeconinck at gmail.com
Tue Apr 18 00:55:52 EEST 2023

> > But, any ideas on how to normalize the audio of clip2 during the concat
> using ffmpeg?
> > Make sure that all inputs have exactly same audio sample rate.
> Ah, thank you. That was the issue.
> Clip1 = 32 kHz
> Clip2 = 48 kHz
> I can upsample/downsample if needed, but would prefer not to if possible.
> Is there an ffmpeg option that allows each clip to retain its original
> audio sample rate in the final output

Err, if the final output is a single clip (which is what you should expect
from concat), I guess not.
It's not a missing ffmpeg option, it's just that bitrate change inside a dv
clip is not possible AFAIK...


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