[FFmpeg-user] VOICE POST PRODUCTION IN ONE LINE

[Paul B Mahol]

On Fri, Jan 29, 2021 at 11:25 AM Marco Mircoli <nuvolablux at gmail.com> wrote:

> Hello,
>     anybody knows the reason why this command works.
>
> $ffmpegCmd = "ffmpeg -i $fileOriginale -af
>
> adeclick,afftdn=nr=80:nf=-20:nt=w:om=o,highpass=f=70,loudnorm=I=-16:TP=-1.5:LRA=14
> $fileProcessato"; //Livella audio a R128
>
> and this doesn't work.
>
> $ffmpegCmd = "ffmpeg -i $fileOriginale -af
>
> adeclick,deesser=i=1,afftdn=nr=80:nf=-20:nt=w:om=o,highpass=f=70,loudnorm=I=-16:TP=-1.5:LRA=14
> $fileProcessato"; //Livella audio a R128
> This creates an audio file of zero bytes, just the name.
>
> The difference is that the last I've added deesser=i=1
> Any ideas?
>

Dunno, you have not provided much info.
Also both commands works just fine here.


> Thanks.
> S.
>
>
>
> Il giorno gio 28 gen 2021 alle ore 10:15 Michael Koch <
> astroelectronic at t-online.de> ha scritto:
>
> > Am 28.01.2021 um 09:44 schrieb Marco Mircoli:
> > > Goodmorning everyone.
> > > I'm new to ffmpeg and was wondering if anyone from the group could help
> > me
> > > set up a command line.
> > > My goal is to improve voice audio recordings.
> > > I would like to be able to do this starting from a command line I have
> in
> > > my script, modifying it to add:
> > >
> > > - 70HZ high pass filter
> > > - expander / noise gate
> > > - equalizer
> > > - compressor
> > > - exciter
> > > - de-esser
> > > - limiter
> > > - loudnorm to r128 (there is already)
> > >
> > > It would be nice to have all this just in one line, is it possible?
> > > This is the string where I'm starting from.
> > >
> > > $ shell = shell_exec ("$ ffmpeg_b -i $ audio_file_full_path -map 0: a:
> 0
> > > -af loudnorm -b: a 96k $ audio_output_mp3 2> & 1");
> >
> > yes, I think it's possible to do all this in one command line. All these
> > features must be added at the beginning of the audio filter chain,
> > that's between "-af" and "loudnorm". For example:
> >
> > $ shell = shell_exec ("$ ffmpeg_b -i $ audio_file_full_path -map 0: a: 0
> > -af highpass=f=70,loudnorm -b: a 96k $ audio_output_mp3 2> & 1");
> >
> > Michael
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