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NetBSD 6.1.5 - man page for audioctl (netbsd section 1)

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AUDIOCTL(1)			   BSD General Commands Manual			      AUDIOCTL(1)

     audioctl -- control audio device

     audioctl [-d device] [-n] -a
     audioctl [-d device] [-n] name ...
     audioctl [-d device] [-n] -w name=value ...

     The audioctl command displays or sets various audio system driver variables.  If a list of
     variables is present on the command line, then audioctl prints the current value of those
     variables for the specified device.  If the -a flag is specified, all variables for the
     device are printed.  If the -w flag is specified audioctl attempts to set the specified
     variables to the given values.

     The -d flag can be used to give an alternative audio control device, the default is

     The -n flag suppresses printing of the variable name.

     AUDIOCTLDEVICE  the audio control device to use.

     /dev/audio0     audio I/O device (resets on open)
     /dev/audioctl0  audio control device
     /dev/sound0     audio I/O device (does not reset on open)

     To set the playing sampling rate to 11025, you can use
	   audioctl -w play.sample_rate=11025
     To set all of the play parameters for CD-quality audio, you can use
	   audioctl -w play=44100,2,16,slinear_le
     Note that many of the variables that can be inspected and changed with audioctl are reset
     when /dev/audio0 is opened.  This can be circumvented by using /dev/sound0 instead.

     The old -f flag is still supported.  This support will be removed eventually.

     audioplay(1), audiorecord(1), mixerctl(1), audio(4), sysctl(8)

     The audioctl command first appeared in NetBSD 1.3.

BSD					 January 27, 2002				      BSD
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