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When I listen to music or play any video on firefox the audio stays very low despite of changing all the sound options to its maximum value in Gnome Alsa Mixer.

I have seen that when I use audacious with the Equalizer ON, the sound goes louder, but without that sound is very unsatisfactory.

share|improve this question… ;) – Rinzwind Aug 27 '12 at 8:05

There is an answer here

Simply execute:

pactl -- set-sink-volume 0 250%
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and if I want it back to normal I execute pactl -- set-sink-volume 0 100% ?? – Mina Michael Mar 20 '14 at 15:25
exactly, it's true – insider Mar 21 '14 at 6:22
okay thanks :) . – Mina Michael Mar 21 '14 at 19:09

Ubuntus audiosettings have a slider that allowes to rise the volume above 100%.

Ubuntu uses Pulseaudio as middleware on Top of ALSA. Alsa mixer won't do it. Install pavucontrol to control soundsettings. But it won't do much more as the ubuntu soundsettings already do.

If your problems resist you could possibly try ALSA without Pulseaudio by removing pulseaudio (Warning: May result in ALSA misconfiguration and no sound at all).

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