AUCTL(1)AUCTL(1)NAMEauctl - control various audio server parameters
SYNOPSYSauctl [-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 com
mands from the standard output. If the standard input and
standard output are both attached to a terminal, an inter
active 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 hex
idecimal number specifying the resource identifier
of the desired device.
set device id linemode = low
This command sets the linemode of the device spec
ified by id to the lower setting appropriate for
microphones.
set device id linemode = hi
This command sets the linemode of the device spec
ified by id to the higher setting appropriate for
CD players.
list device id gain
This command lists the gain of the specified
1
AUCTL(1)AUCTL(1)
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 com
mand line.
DISPLAY This specifies the name of an X Window System dis
play that should be assumed to also have a corre
sponding Network Audio System server.
SEE ALSOnas(1), auplay(1), audial(1), audemo(1), autool(1)COPYRIGHT
Copyright 1993, 1994 Network Computing Devices, Inc.
AUTHOR
Jim Fulton, Network Computing Devices, Inc.
2
