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Subject: Re: Slightly OT: MPS sound volume analyzer
From: Johan Vromans (
Date: 2004-04-07

Andreas Stemmer <> writes:

> I don't know if this helps you, but the more or less best method of
> calculating the perceived loudness of music is described here:

Yes, this is exactly what I'm looking for.

> New versions of LAME
> add an appropriate id3 tag including the calculated replay gain value.

Wouldn't it be nice for Rockbox to support this replay gain header,
being one of the first audio tools to do so?

> Perhaps you can try to compile the command line version of mp3gain under
> linux?

It runs like a charm, although it will take six days of 100% CPU
before it completes my MP3 collection ;-).

-- Johan

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