[FFmpeg-user] VOICE POST PRODUCTION IN ONE LINE

[Paul B Mahol]

On Fri, Jan 29, 2021 at 12:18 PM Marco Mircoli <nuvolablux at gmail.com> wrote:

> Thanks,
>     is there a way to understand if ffmpeg has aborted the process?
> I'm using a Linux version for an online service.
> It would be nice to let ffmpeg write a log file when there is a problem
> (process aborted)
> How to do it?
>

By providing full ffmpeg output. (Not output file but command log)


> Thanks.
> S.
>
>
> Il giorno ven 29 gen 2021 alle ore 11:39 Paul B Mahol <onemda at gmail.com>
> ha
> scritto:
>
> > 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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