Mixers provide a convenient means of controlling the volume
and balance of the sound output and input of computers. For a
description of the default KDE and GNOME mixer applets refer to
the KDE and GNOME chapters.
The main difference between the various mixers is the outer
appearance of the user interface. However, there are a number of
mixers that are designed for specific hardware. One example is
envy24control, a mixer for the Envy 24 sound chip.
Another one is hdspmixer, which is for RME Hammerfall cards. From
the mixers available, select the one that best suits your needs.
HINT: Starting the Mixer
Generally, it is advisable to open a mixer application
before opening other sound applications. Use the mixer to test
and adjust the control settings for the input and output of the