Re: [SLUG] MP3 gain

From: Eben King (eben01@verizon.net)
Date: Wed Sep 10 2008 - 21:28:04 EDT


On Wed, 10 Sep 2008, ronan wrote:

> Eben King wrote:
>> On Wed, 10 Sep 2008, ronan wrote:
>>
>>> Eben King wrote:
>>>
>>>> So, how can I renormalize these tracks as a set without re-encoding them?
>>>> I have "mp3gain", but I can't make it DTRT. Both "-a" and "-r" leave
>>>> sudden volume changes on some track transitions. Is it possible the
>>>> original encoding software modified the actual data? Would that affect
>>>> mp3gain?
>>>>
>>> Could it be that the software that you are using to play-back the MP3s
>>> does not honor the MP3Gain flag that is in the MP3 files? The player
>>> software must contain code to find that tag, and honor it.
>>
>> It's possible, but that means the differing playback volumes (and clipping
>> in some cases) are hardcoded into the data. Too see for sure, I could
>> export the mp3 -> wav using mpg321 (I think) then open the wav with snd (if
>> I have it), unless there's a simpler way...
>>
> Or try a playback program that you are sure supports the MP3Gain tag (XMMS,
> Amarok, banshee, etc.)

Using XMMS. Player isn't ignoring the scaling data then. As further proof,
I hear tracks get quieter when I screw up the scale. "Factor=1.0" means
"just as it came off the CD", right? Any reason I shouldn't do that?

-- 
-eben   QebWenE01R@vTerYizUonI.nOetP   http://royalty.mine.nu:81
LEO:  Now is not a good time to photocopy your butt and staple it
to your boss' face, oh no.  Eat a bucket of tuna-flavored pudding
and wash it down with a gallon of strawberry Quik.  -- Weird Al
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