[FFmpeg-user] Same output bit depth and sampling frequency as input?

[Marco Mircoli]

I think it is not a bug.
It is normal that dynaudnorm and loudnorm gives differents results, they
are 2 different instruments and they have different parameters and actions.
Thanks.
S.



Il giorno dom 14 feb 2021 alle ore 12:08 Paul B Mahol <onemda at gmail.com> ha
scritto:

> On Sun, Feb 14, 2021 at 12:01 PM Marco Mircoli <nuvolablux at gmail.com>
> wrote:
>
> > Yes, the result Is not leveled to the target loudness value
> >
>
> Than that issue should be reported to our issue tracker, as loudnorm bug.
>
>
> >
> > Il Ven 12 Feb 2021, 19:26 Paul B Mahol <onemda at gmail.com> ha scritto:
> >
> > > On Fri, Feb 12, 2021 at 7:17 PM Marco Mircoli <nuvolablux at gmail.com>
> > > wrote:
> > >
> > > > Il giorno ven 12 feb 2021 alle ore 10:53 Paul B Mahol <
> > onemda at gmail.com>
> > > > ha
> > > > scritto:
> > > >
> > > > > On Fri, Feb 12, 2021 at 12:48 AM Marco Mircoli <
> nuvolablux at gmail.com
> > >
> > > > > 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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