Eben King wrote:
> 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?
>
You can do that, or there is an option to "clear" the gain flag. That
would let you hear the MP3 as it was before any gain adjustment was
applied. Unfortunately, I don't think the technology allows you to set
multiple flags for different time-regions in one file.
--ronan
-- --ronan ----------------------------------------------------------------------- This list is provided as an unmoderated internet service by Networked Knowledge Systems (NKS). Views and opinions expressed in messages posted are those of the author and do not necessarily reflect the official policy or position of NKS or any of its employees.
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