Volume Levelling

richard · Posted: Fri Dec 07, 2024 8:05 pm Post subject: Volume Levelling

One of the things I miss about iTunes is the ability to adjust the levels of mp3's so that they were consistent. I have had a look at Amarok and cannot find anything there that will do it. Anyone got any suggestions?

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Windows Vista / Ubuntu 8.10

pbharris · Member Joined: 02 Jul 2024 Posts: 320 Location: chicago

hello,
sure! normalize-audio is a command line tool that will do this
http://blog.mypapit.net/2007/10/how-to-burn-and-normalize-mp3-to-audio-cd-in-ubuntu-linux.html details how to do this in ubuntu,

the packages can be downloaded here for fedora http://blog.mypapit.net/2007/10/how-to-burn-and-normalize-mp3-to-audio-cd-in-ubuntu-linux.html

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Fedora

richard · Posted: Fri Dec 07, 2024 10:49 pm Post subject:

pbharris · Member Joined: 02 Jul 2024 Posts: 320 Location: chicago

huh - was not able to find an rpm - it built it and it seems to work on my fedora7 64 bit system
http://normalize.nongnu.org/

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Fedora

richard · Posted: Sat Dec 08, 2024 7:51 am Post subject:

nukes · Linux Guru Joined: 29 Aug 2024 Posts: 4558

I think what you mean is range compression rather than normalization.
Normalization makes the range of volume be the full range of the format (so the quietest sound played is nearly silent and the loudest one is as loud as the sound card will do)
Range compression is kind of the opposite, so all sounds played are within a certain range, and you don't wake up the neighbors if a loud song comes on after a quieter one.

I know Audacious has a plugin for it (can't remember the name though)... surely amarok will do it... Failing that you can add a 'fake' device in alsa, and run it through JACK (from what I gather) has plenty of such programs.

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inactive · Sr. Member Joined: 29 Aug 2024 Posts: 1207

There's plugins for XMMS (among others) that do that too --

gnormalize
normalize
xmms-normalize

All in Mandriva (rpm based) --

They should be in your repos, too.

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mauser1891 · New Member Joined: 21 Nov 2024 Posts: 3

Hello Folks,

I use this bash script to "normalize" my mp3 files;

#!/bin/bash
cd /home/music/unprocessed/
normalize-audio --peak *.mp3
exit

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Sidux
KDE 4.3.2
kernel 2.6.31+
http://sidux.com/

Xeroid · Posted: Sat Nov 21, 2024 9:05 pm Post subject:

Hello mauser1891. Welcome! Smile

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Ubuntu 10.04 . . . Kernel-2.6.32-22

mauser1891 · New Member Joined: 21 Nov 2024 Posts: 3

Hello Folks,

Thank You for the Welcome.
Here is another variant I use/written.

#!/bin/bash
cd /home/music/unprocessed/
normalize-audio --batch *.mp3
exit

#!/bin/bash
cd /home/music/unprocessed/
normalize-audio --amplitude=.9 *.mp3
exit

_________________
Sidux
KDE 4.3.2
kernel 2.6.31+
http://sidux.com/

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