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I am running Ubuntu 9.10. How do I adjust the sound out to reduce or increase the bass and treble ranges of the sound?

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up vote 7 down vote accepted

There's a post on Ubuntu Forums on how you can use PulseAudio Equalizer.


  • Configurable 15 band equalizer for PulseAudio;
  • You can enable or disable equalized audio on-the-fly, without having to restart any running applications;
  • Offers the choice of using equalized audio for the current session or permanently;
  • No need to edit any configuration files by hand;
  • User-customizable: you can use any LADSPA audio processing plugin (which can apply various audio effects beyond equalization);
  • Packaged as a .deb file for easy installation;
  • Graphical User Interface.
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I still need to try this out. – pcapademic Jan 31 '10 at 20:06

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