Re: [LAU] keeping same perceived level on mp3 files

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To: <linux-audio-user@...>
Date: Saturday, October 6, 2012 - 11:08 am

On 10/05/2012 09:13 PM, Fons Adriaensen wrote:

Thanks for your reply, Fons!

>> Do you just want to adjust the loudness between multiple files?

Not sure what you mean. I don't to change the internal volume of each
track. Basically I just want to avoid that when I program the levels of
the patches on my hardware synth, I later (on stage or rehearsing with
the band) realize that on some songs my synth is too loud and on some
songs it's to soft.

I tried it on a couple of files:

atte@blokhus:~/music/bands/eldorado/mp3$ ls *.wav | xargs -iarg ebur128 arg
Integrated loudness: 13.7 LU
Loudness range: 3.8 LU
Integrated loudness: 13.0 LU
Loudness range: 2.2 LU
Integrated loudness: 6.0 LU
Loudness range: 3.6 LU
Integrated loudness: 10.8 LU
Loudness range: 4.5 LU
Integrated loudness: 12.9 LU
Loudness range: 3.2 LU

Ok, so it seems the third file is softer than the rest, which is very
true. But how do I interpret those values, and how do I call sox for a
gain adjustment?

Sorry for being stupid...

--
Atte

http://atte.dk http://modlys.dk
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Messages in current thread:
[LAU] keeping same perceived level on mp3 files, Atte André Jensen, (Fri Oct 5, 4:30 pm)
Re: [LAU] keeping same perceived level on mp3 files, Georg Holzmann, (Fri Oct 5, 5:12 pm)
Re: [LAU] keeping same perceived level on mp3 files, Fons Adriaensen, (Fri Oct 5, 7:13 pm)
Re: [LAU] keeping same perceived level on mp3 files, Atte André Jensen, (Sat Oct 6, 11:08 am)
Re: [LAU] keeping same perceived level on mp3 files, Fons Adriaensen, (Sat Oct 6, 12:55 pm)
Re: [LAU] keeping same perceived level on mp3 files, Georg Holzmann, (Sat Oct 6, 11:51 am)
Re: [LAU] keeping same perceived level on mp3 files, Atte André Jensen, (Sun Oct 7, 6:56 pm)
Re: [LAU] keeping same perceived level on mp3 files, Fons Adriaensen, (Sun Oct 7, 10:30 pm)
Re: [LAU] keeping same perceived level on mp3 files, Atte André Jensen, (Mon Oct 8, 6:19 am)
Re: [LAU] keeping same perceived level on mp3 files, Fons Adriaensen, (Mon Oct 8, 8:21 pm)
Re: [LAU] keeping same perceived level on mp3 files, Atte André Jensen, (Mon Oct 8, 6:01 pm)
Re: [LAU] keeping same perceived level on mp3 files, Fons Adriaensen, (Sun Oct 7, 9:34 pm)