[FFmpeg-user] r128 usage?
Clément Bœsch
ubitux at gmail.com
Fri Oct 5 01:13:37 CEST 2012
On Tue, Oct 02, 2012 at 11:12:58AM +0200, Boštjan Strojan wrote:
> On Tue, Oct 2, 2012 at 8:05 AM, Clément Bœsch <ubitux at gmail.com> wrote:
>
> > Example: assuming you have I = -12 LUFS, and you want I = -23 LUFS (what
> > you are likely aiming for), -23 - (-12) = -11 LU. So basically, just use
> > -af volume=-11dB and here you go. If you re-run an ebur128 analysis after
> > this operation, you should get I = -23 LUFS.
>
> a two pass process, right?
>
> pass one = get the correction value
> pass two = apply
>
Yes. No real time yet. It would require the filter to inject some metadata
to the next filter who would honor them. Not yet supported.
[...]
--
Clément B.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 490 bytes
Desc: not available
URL: <http://ffmpeg.org/pipermail/ffmpeg-user/attachments/20121005/09a3614e/attachment.asc>
More information about the ffmpeg-user
mailing list