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AUDIAL(1)						AUDIAL(1)

NAME
       audial - generate or recognize touch tones for North Amer
       ican telephones

SYNOPSIS
       audial [-audio servername] [-volume 0-100] [-spacing  mil_
       liseconds]  [-pause milliseconds] [-duration milliseconds]
       dialstring

       audial -recognize [-microphone] [-gain 0-100] [-time  sec_
       onds]

DESCRIPTION
       The  audial  program  generates	touch  tones suitable for
       dialing a North American telephone.  audial can also  rec
       ognize touch tones and produce the corresponding string.

GENERAL OPTIONS
       The following options may be used in either dial or recog
       nition mode:

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

DIAL OPTIONS
       The following options may be used in dial mode:

       -volume 0-100
	       This option specifies the volume at which the data
	       should be played as a percentage	 of  the  maximum
	       possible volume.	 The default is 100 percent.

       -spacing milliseconds
	       This  option  specifies the number of milliseconds
	       to wait in between each	digit.	 The  default  is
	       100.

       -pause milliseconds
	       This  option  specifies the number of milliseconds
	       to wait whenever a comma (,) is	used  in  a  dial
	       string.	The default is 400.

       -duration milliseconds
	       This option specifies the duration of each tone in
	       milliseconds.  The default is 100.

DIALING STRING
       The following characters may be used in a dialing string:

       0123456789*#
	       The corresponding touch tone is generated.

       abcd    Tones representing the  4  "function"  keys  often

								1

AUDIAL(1)						AUDIAL(1)

	       found on a keypad are generated.

       ,       A  blank	 tone  whose  length  is specified by the
	       -pause option is generated.

       Any other characters are ignored.

RECOGNITION OPTIONS
       -recognize
	       Enables recognition mode.  audial will attempt  to
	       recognize  touch	 tones	from the input device and
	       output the corresponding character.

       -microphone
	       Use microphone gain  levels  on	the  audio  input
	       device.	If a microphone is plugged into the audio
	       input jack, this option should be used.

       -gain 0-100
	       This option specifies the input gain  level.   The
	       default is 95.

       -time seconds
	       This  option  specifies	how  long  to attempt the
	       recognition.  The default is forever.

ENVIRONMENT VARIABLES
       The following environment variables are used by audial:

       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 ALSO
       nas(1)

COPYRIGHT
       Copyright 1993, 1994 Network Computing Devices, Inc.

AUTHORS
       Greg Renda, Network Computing Devices, Inc.
       Kevin Martin, Network Computing Devices, Inc.

								2

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