On Fri, Feb 12, 2021 at 7:17 PM Marco Mircoli <[email protected]> wrote:

> Il giorno ven 12 feb 2021 alle ore 10:53 Paul B Mahol <[email protected]>
> ha
> scritto:
>
> > On Fri, Feb 12, 2021 at 12:48 AM Marco Mircoli <[email protected]>
> > wrote:
> >
> > > Hello everybody,
> > >  wondering how to set the same output audio specs (sample rate anche
> bit
> > > depth) as input.
> > >
> > > I tried like that
> > >
> > > ffmpeg -i FILE_FROM -af dynaudnorm,loudnorm=I=-16.
> > > 5:TP=-1.5:LRA=7 -sample_fmt s16 -ar 44100 FILE_TO
> > >
> > >
> > >
> > > if I have a 48KHZ input, the output is 44100, so doesn't work for my
> > needs
> > >
> > > Tried without
> > >
> > >
> > > ffmpeg -i FILE_FROM -af dynaudnorm,loudnorm=I=-16.
> > > 5:TP=-1.5:LRA=7  FILE_TO
> > >
> > > The result is: same bit depth of input file but 192Khz sample rate.
> (file
> > > input sr is 48khz)
> > >
> > > Anybody can give me a suggest?
> > >
> >
> > Use shell scripting.
> >
> > Also using those 2 filters at same time is entirely invalid and
> pointless.
> >
> >
> >
> Unfortunately, don't know ho to use shell. I'm a newbe. Any resource that
> can help me to start with shell scriping?
>
> ffmpeg -i FILE_FROM -af dynaudnorm,loudnorm=I=-16.5:TP=-1.5:LRA=7  FILE_TO
>
> Cannot understand why this Is invalid.
> 1st filter (dynaudnorm), level the audio changing the volume every frame
> window
> 2nd filter (loudnorm) set an offset to the gain to let the loudness go to
> 16.5lkfs
>
> I've miss something?
>

Is there any difference when you remove dynaudnorm?


>
> Thanks.
> S:
>
>
>
>
>
>
>
> >
> > > Thanks,
> > > S.
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