[FFmpeg-user] FFMPEG loudnorm - linear normalization

Paul B Mahol onemda at gmail.com
Thu Mar 10 09:54:33 EET 2022

On Thu, Mar 10, 2022 at 8:14 AM Clayton Macleod <cherrytwist at gmail.com>

> On Wed, Mar 9, 2022 at 8:26 PM CMG DiGiTaL <cmarciog at gmail.com> wrote:
> >
> > OK mark, very nice to hear about your audio experience!...I love it, it
> > makes me feel free and alive!
> >
> > With this internet audio standardization movement, I'm paying more
> > attention to this type of LUFS standardization
> > because my commercial jingles have to be platform compliant. I'm also a
> fan
> > of compression and, as today everything
> > has to be very fast, I'm creating a normalization batch so I don't have
> to
> > spend unnecessary money on something that
> > I can try to do myself, testing a lot beforehand of course!...for this
> > reason I'm trying to understand where the +7.2 Trim
> > that the plugin finds in the test audio is applied, to try to make the
> > batch as correct as possible.
> >
> Claman, probably the best advice you could receive is some I've already
> given.  Which is, perhaps you should reexamine your choice of target
> volume.  If most or all of your source files require being turned up you
> are better off using your volume knob on the amplifier.  Seriously.  There
> is no better way to adjust the volume than that volume control on the
> amplifier.  That is its sole reason for existing.
> Perhaps you need a different tool.  If you're actually just dealing with
> music files you should snag foobar2000 and use it for this job instead.  It
> uses the same R128 algorithm.  It is made for dealing with music, being a
> music player.  And you can load up your entire library and analyze it all
> without having to adjust anything.  You will be able to see all your
> required adjustments in the UI before touching your file data.  This will
> let you see all the adjustment data at a glance, better allowing you to
> determine what a good target value will be for your entire library.  A good
> target value will be one that ensures all your file data will have to be
> turned down rather than up.  For that matter, you can have the player make
> the adjustments on the fly during playback so you don't even have to alter
> your file data at all.  ffmpeg really isn't the right tool for this job.
> I disagree with you. FFmpeg is right tool for this jobs. You just do not
know how to use it.

> --
> Clayton Macleod
> If no one comes from the future to stop you from doing it, then how bad of
> a decision can it really be?
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