[FFmpeg-user] Loudnorm filter in ffmpeg increases and decreases the volume of parts of the audio.

[Paul B Mahol]

On 11/15/22, CMG DiGiTaL <cmarciog at gmail.com> wrote:
> Hi Paul,
> But it's not me who defines which mode will be used, but Loudnorm... how
> can I do that then?
>
> Using dynamic mode and not linear is far from working correctly.
>>
>> One use dynamic mode when not specifying measured values to filter.
>>
>
>  Hi Paul,

This is explained on web.

You set filter measured_* options values from first pass processing of
input values reported by same filter at end of same file.

So you need two-pass processing.