Ubuntu under Default settings sound very small, very inconvenient to use when you need simple settings
There are two ways
Method One:
1, in the terminal input: Alsamixer, will pop up the sound setting diagram, using the next key or the mouse wheel to set the sound size, the main set master, Pcm,front three options, specific settings to see their own needs
Setup complete Press ESC to exit
Method Two
Using Alsamixer Manager Settings
1, Alsamixer Manager is not installed by default, need to install to use
In the terminal, enter:
sudo apt-get install Gnome-alsamixer
The Alsamixer Manager is automatically installed,
2, after the installation is complete, click: Application--AV--gnome alsa mixer will pop up with the method of a similar sound setting of the interface can set the sound size,
[Linux_ubuntu13] sound very small front desk unable to adjust the processing method