Adjusting Volume
Ubuntu offers a handy utility that you can use to control the volumes for various outputs from your computer. For a simple master volume control, just click the speaker icon in the top-right corner of the screen and move the slider left or right, as shown in Figure 6.1.
Alternatively you can control all the output volumes for the system to make sure that you have set everything to your taste, as shown in Figure 6.2. To access the volume control, left-click the speaker icon and select Sound Preferences.
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