Man page or keyword search:   man All Sections 1 - General Commands 2 - System Calls 3 - Subroutines, Functions 4 - Special Files 5 - File Formats 6 - Games and Screensavers 7 - Macros and Conventions 8 - Maintenence Commands 9 - Kernel Interface New Commands Server 4.4BSD AIX Alpinelinux Archlinux Aros BSDOS BSDi Bifrost CentOS Cygwin Darwin Debian DigitalUNIX DragonFly ElementaryOS Fedora FreeBSD Gentoo GhostBSD HP-UX Haiku Hurd IRIX Inferno JazzOS Kali Knoppix LinuxMint MacOSX Mageia Mandriva Manjaro Minix MirBSD NeXTSTEP NetBSD OPENSTEP OSF1 OpenBSD OpenDarwin OpenIndiana OpenMandriva OpenServer OpenSuSE OpenVMS Oracle PC-BSD Peanut Pidora Plan9 QNX Raspbian RedHat Scientific Slackware SmartOS Solaris SuSE SunOS Syllable Tru64 UNIXv7 Ubuntu Ultrix UnixWare Xenix YellowDog aLinux   6284 pages apropos Keyword Search (all sections) Output format html ascii pdf view pdf save postscript

MIXER(1)		     BSD Reference Manual		      MIXER(1)

NAME
     mixer - Set audio mixer options

SYNOPSIS
     mixer [-m number] [device [val]] [...]

DESCRIPTION
     The mixer program is used to control settings on audio card mixers.  The
     following options are available:

     -m number	 Select an audio card, the default is card 0.

     -v		 Print a summary of all settings before exiting (even if
		 changing settings).

     The device val pairs are used to change audio settings for the various
     channels on the mixer. The device argument is a device name that de-
     scribes a channel on the mixer, the devices available vary by audio card
     and can be discovered by running mixer without any device/val arguments.
     The device name may be abbreviated to the shortest unique string.

     For most devices the val argument is an audio level expressed as a number
     from 0 to 100. For devices that support stereo two numbers may be listed
     separated by a colon, this gives the values for the left and right chan-
     nels. The resolution varies by audio card so small changes in values may
     not produce any effect on some cards.

     If a channel does not support stereo and a stereo value is supplied only
     the left channel value is used.

     There is one special case device called rdev that does not take a numeric
     value argument, instead a comma separated list of devices to record from
     should be given.

     If the val argument is not given for a device the current settings for
     that channel are displayed. Multiple devices can be entered without argu-
     ments.

EXAMPLES
     Display all settings:

	   % mixer
	   Device     Description		     Value
	   vol	      Master volume		     50:50
	   bass	      Bass			     50:50
	   treble     Treble			     50:50
	   pcm	      Primary DAC		     50:50
	   speaker    PC speaker		     21
	   mic	      Microphone		     32:32
	   mix	      Recording monitor		     0
	   igain      Input gain		     0:0
	   line1      Line input 1		     32:32
	   line2      Line input 2		     32:32
	   line3      Line input 3		     21:21
	   center     3D center			     0:0
	   rdev	      Recording source		     mic

	   Valid recording devices: synth, line, microphone, cd

     Set volume, bass, and record from line and CD:

	   % mixer vol 90:75 bass 100 rdev line,cd
     Display current volume, bass, treble, and recording device:

	   % mixer vo ba tr rd
	   volume 90:75 bass 100:100 treble 75:75 rdev line,cd

BUGS
     It is only possible to list the rdev device without a value argument (to
     print its current value) last on the command line.

SEE ALSO
     vplay(1),	sox(1)

HISTORY
     This mixer command was written for BSD/OS 2.1.

BSDI BSD/OS		       October 19, 1995				     2

                             _         _         _ 
                            | |       | |       | |     
                            | |       | |       | |     
                         __ | | __ __ | | __ __ | | __  
                         \ \| |/ / \ \| |/ / \ \| |/ /  
                          \ \ / /   \ \ / /   \ \ / /   
                           \   /     \   /     \   /    
                            \_/       \_/       \_/ 

Vote for polarhome