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

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To: <linux-audio-user@...>
Date: Sunday, October 7, 2012 - 6:56 pm

On 10/06/2012 01:51 PM, Georg Holzmann wrote:

> That's great - now you only have to bring all your files to the same

Thanks for the help! That's great.

Now I started looking for an sox alternative that could do gain
adjustment without having to decode/reencode the mp3, since I seemed to
remember such a tool existed.

This led me to mp3gain. Reading it's man page:

"mp3gain can analyze and adjust mp3 files so that they have the same
volume."

Hmmmm. Now I'm thinking, isn't this exactly what I wanted in the first
place?

After running "mp3gain -r *.mp3" on the same files as I tested with in
the original mail, and checking them with ebur128, it seems that the two
programs do not agree how to measure the perceived loudness. mp3gain
uses the replay gain algorithm, what ever that means. Any ideas whether
mp3gains measurements should fare worse than ebur128?

The reason I ask is, that I'm tempted to just use "mp3gain -r *.mp3" :-)

--
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)