Nicolas George writes:
> At both steps, you are transcoding. That means you
> are paying the MP3 toll twice, including CPU time
> and quality loss.
>
> I do not know how normalize-audio operates. It is
> theoretically possible to adjust the volume without
> transcoding, but I suppose this is tric
Le nonidi 29 messidor, an CCXXIII, Emanuel Berg a écrit :
> ffmpeg -i $song -i $movie ${name}-norm.$ext
> local song=$name.mp3
> ffmpeg -i $movie $song
At both steps, you are transcoding. That means you are paying the MP3 toll
twice, including CPU time and quality loss.
I do not know
This zsh, using ffmpeg and normalize-audio, seems to
do it. But it is slow. Remember normalize-audio is
lightning fast so time is spent getting and putting
together the audio with the movie. Perhaps it can be
optimized somehow - do tell, if you know...
The file: http://user.it.uu.se/~embe8573/conf
Nicolas George writes:
> If using that kind tool, then better use a real
> recent FFmpeg (either using the one from Sid or
> building from source), because it has the following
> filters that allow to do more work directly:
I'm not getting into FFmpeg vs. avconv.
For the solution Mr. Marjal sug
Darac Marjal writes:
> You could try stripping the audio from the MPEG
> file, normalising it and then recombining it.
I know I can do it but it is such a basic thing so
I suspected someone had already automatized it and put
it into a nice little tool. But OK.
--
underground experts united
htt
L'octidi 28 messidor, an CCXXIII, Darac Marjal a écrit :
> You could try stripping the audio from the MPEG file, normalising it and
> then recombining it.
>
> So, to extract the audio from the video, try something like:
>
> avconv -i video.mp4 -vn -acodec 'copy' audio.out
>
> (check "avconv -i
On Thu, Jul 16, 2015 at 01:45:23AM +0200, Emanuel Berg wrote:
> Is there a program like normalize-audio only it works
> on mp4 (video) files as well? And .webm etc. But still
> what is to be normalized is the audio.
You could try stripping the audio from the MPEG file, normalising it and
then reco
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