Provided by: oss4-base_4.2-build2010-5ubuntu1~16.04.2_amd64 
NAME
mixer - Open Sound System mixer (control panel) device
DESCRIPTION
Mixer devices are used by control panel and mixer programs (such as ossxmix(1)) to change volumes and other settings of the sound cards in the system.
PROGRAMMING INFORMATION
See the OSS Mixer Programming section of the OSS Programmer's Guide (MIXER(2)) for more info.
OPTIONS
None
FILES
/dev/mixer is the default mixer device file in the system.
AUTHOR
4Front Technologies