htsource;391739 Wrote: 
> I'd like to know if any software out there can normalize FLAC, MP3, WAV,
> etc., without actually altering the file.  I read somewhere that some
> software can generate a separate file and SqueezeCenter is able to read
> that file to normalize the sound track.
Often the term "normalization" is used for processes that alter the
audio file, which you definitely don't want. You want to calculate
'Replay Gain' (http://en.wikipedia.org/wiki/Replay_gain), and then
apply those values to tags in your FLAC and MP3 files. SC will read
those tags and adjust the volume accordingly. There is no standard for
tagging WAV files, so I don't know how you would apply replay gain
information there.

As for software, the choice depends partly what system you are using
(Windows, Mac OS, Linux). On Windows, foobar2000 is good for replay
gain processing. If you want to calculate at ripping time, dBpoweramp
will do replay gain tags. Robin Bowes has a very nice Perl script that
will run on any platform (as long as it has Perl installed) -- it's
called apply_replaygain.pl. You can search for it on these forums or on
www.robinbowes.com

Finally, be sure to note that there are two types of replay gain: album
gain and track gain. You want both.


-- 
aubuti
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