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NAME

       auctl - control various audio server parameters

SYNOPSYS

       auctl [-audio servername] [-q] [command...]

DESCRIPTION

       The auctl program can be used to control various audio server parameters.  It is typically
       used when connecting up new devices, or  to  set  user  preferences.   If  no  command  is
       specified  on the program command line, auctl reads commands from the standard output.  If
       the standard input and standard output are both attached to  a  terminal,  an  interactive
       prompt is provided.

OPTIONS

       The following options may be used with auctl:

       -audio servername
               This option specifies the Network Audio System server on which the files should be
               played.

       -q      This option indicates that no prompt should be given when  reading  commands  from
               the standard input.

COMMANDS

       The following commands may be used with auctl:

       help    This command prints a list of the commands that may be given.

       set device id gain [=,+,-] percent
               With  =, this command sets the gain on the device specified by id to the indicated
               percentage, or alters it by the given number of percentage points if  +  or  -  is
               used.  If the id is a decimal number n, the nth device returned by the server (see
               auinfo) is used.  Otherwise, id should be  a  hexidecimal  number  specifying  the
               resource identifier of the desired device.

       set device id linemode = low
               This  command sets the linemode of the device specified by id to the lower setting
               appropriate for microphones.

       set device id linemode = hi
               This command sets the linemode of the device specified by id to the higher setting
               appropriate for CD players.

       list device id gain
               This command lists the gain of the specified device in the form needed to set it.

       list device id linemode
               This command lists the line mode of the specified device in the form needed to set
               it.

       list device id
               This command lists the gain and line mode of the specified device.

       quit, exit, or ^D
               Either of these commands or an end of file causes the program to exit.

ENVIRONMENT VARIABLES

       The following environment variables are used by auctl:

       AUDIOSERVER
               This specifies the name  of  default  audio  server  to  contact  if  no  name  is
               explicitly given on the command line.

       DISPLAY This  specifies  the  name of an X Window System display that should be assumed to
               also have a corresponding Network Audio System server.

SEE ALSO

       nas(1), auplay(1), audial(1), audemo(1), autool(1)

COPYRIGHT

       Copyright 1993, 1994 Network Computing Devices, Inc.

AUTHOR

       Jim Fulton, Network Computing Devices, Inc.

                                              1.9.4                                      AUCTL(1)