The sound in ubuntu 14.04 is much quieter than in windows 7, why?

Question

linux

Hello, I have 2 axes spinning on my laptop - ubuntu14.04x64 and win7x64, sound output to the standard laptop speakers, in Windows the sound is quite loud, in Ubuntu I twist all the sliders and pulseaudio to the maximum, including, I still have to jump to Windows, because - that the film is simply not audible, tell me what to do? thanks in advance!

Answer 1

alsamixer in a terminal window. Screenshot showing.

Answer 2

In the sound settings, you can turn on the bird and get the volume 130%.

Answer 3

1. Run the following command:
2. Arrow keys (left/right/up/down) to adjust PCM and Front

Answer 4

Set up in mplayer softvol.

softvol=yes
softvol-max=500

will scream louder.