[MPlayer-users] Audio Too Loud/Quiet

[Andy Furniss]

Sander Plas wrote:
> On 09/05/2011 09:55 PM, Antonio Recio wrote:
>> I am watching some videos with great variations in the volume of the
>> audio, sometimes is difficult to hear the dialogs and others times the
>> music is too loud. Is there any way to filter the audio to diminish
>> the variation of the volume?
>
> There's "-ao volnorm" in standard MPlayer - see the mplayer manpage. It
> works, but it's not great.
>
> If you compile mplayer with LADSPA support, you can use the
> 'tap_limiter' plugin from the TAP-plugins package, see
> http://tap-plugins.sourceforge.net/ , also available as a package on at
> least Ubuntu.

I've used other compressors as detailed -

http://alsa.opensrc.org/Ladspa_(plugin)

with some success - I didn't use from mplayer direct but by making 
.asoundrc then eg. mplayer -ao alsa:device=ladcomp.

I don't have pulseaudio so don't know if that will mess things up.