Meaning of MIXER in English
This replacement for the default Windows Volume Mixer gets installed when you install the drivers for C-Media onboard sound systems or sound cards. In our opinion the C-Media mixer is no better than the default Windows mixer and, if anything, it is irritating in the way it will by default mute the CD-in, Line-In, and other volume settings on some PCs, making the end-user lose valuable time working out why the sound is not working.
Disable or Delete using Startup Manager.
Microsoft Windows task list Programs English glossary. Английский словарь - Список целевых программ Microsoft Windows. 2012