# Adding Volume Leveling to MP3Tag

**URL:** https://community.mp3tag.de/t/adding-volume-leveling-to-mp3tag/14249
**Category:** General Discussion
**Created:** [December 21, 2012, 4:05pm UTC](https://community.mp3tag.de/t/adding-volume-leveling-to-mp3tag/14249 "2012-12-21T16:05:29Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![DetlevD](https://community.mp3tag.de/user_avatar/community.mp3tag.de/detlevd/32/123_2.png) [@DetlevD](https://community.mp3tag.de/u/DetlevD)
#### Post date: [December 21, 2012, 4:45pm UTC](https://community.mp3tag.de/t/adding-volume-leveling-to-mp3tag/14249/2 "2012-12-21T16:45:17Z")

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> [@Ibjammin](#):
>
> ... I use MP3Tag for all tagging, so I wanted the capability to adjust playback volume from within MP3Tag. I decided to use mp3gain.exe for this ... I'd be interested in help with improvements ...

I respect your achievements on connecting the MP3Gain commandline tool with Mp3tag.  
But ... for some people it looks rather complicated ... and I always do not recommend MP3Gain, because it works with the mp3 files on a destructive base by modifying the mp3 data stream, that means the MD5AUDIO checksum will be changed.

I use Mp3tag tools to apply non destructive Replay Gain this way ...  
[Use foobar tools within Mp3tag?](https://community.mp3tag.de/t/13036/3)  
... and doing so I have instantly all Replay Gain options at hand, which are provided by foobar, since version 1.1.6 with precise quality, following the EBU R 128 standard for loudness normalisation.

DD.20121221.1840.CET

I did a quick test using mp3gain.exe version 1.5.2 with one mp3 file ... and sorry, I have to correct:  
The MD5AUDIO hash seems not to be touched when applying "mp3gain.exe /k /s i" against the mp3 file.  
But the CRC32 hash and the overall MD5 hash has been changed ...  
... surely due to the inserted tag-field "MP3GAIN\_MINMAX".

DD.20121222.1134.CET

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