Re: how to increase sound volume of a mp3 file

[Mark <mamarcac@gmail.com>]

Decompressing mp3 to wav and then recompressing to mp3 can lead to trouble (go to http://www.hydrogenaudio.org/forums/ and do a search for "transcoding" if you want to learn more), however if your source mp3 file is of high enough bitrate then you may get away without any noticeable decrease in sound quality.  The mp3 file is playing back at it's intended volume as recorded - mp3gain will use the replaygain method to adjust the perceived volume upon playback without modifying the mp3's quality.  This is the preferred method.  Someone else recommended it in this thread: be sure to check all your volume settings including application and system volume.

Short of that, opening the mp3 file with Audacity (http://audacity.sourceforge.net/download/) will let you max out the volume on the file if you really want it louder.  Just be aware you are likely to introduce clipping (static, hiss, etc.) by doing this, thus why mp3gain is the recommended solution since it is non-invasive and 100% reversible.

HTH.
Mark

On Sun, Jul 19, 2009 at 4:38 PM, Kamaraju S Kusumanchi <raju.mailinglists@gmail.com> wrote:

Long Wind wrote:

> Thanks to all those that reply!
> I install mp3gain on etch
> It increase sound volume though I am not fully satisfied.
>

Long time ago, I did something like this. I first converted the mp3 to wav,
increased the amplitude, then converted the .wav file back to .mp3. I
forgot the tools, commands to achieve this. Sorry! Google might be of some
help.

raju
--
Kamaraju S Kusumanchi
http://malayamaarutham.blogspot.com/

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