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AUDIAL(1)							     AUDIAL(1)

NAME
       audial  -  generate  or	recognize touch tones for North American tele‐
       phones

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

       audial -recognize [-microphone] [-gain 0-100] [-time seconds]

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

GENERAL OPTIONS
       The following options may be used in either dial or recognition 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 when‐
	       ever a comma (,) is used in a dial string.  The default is 400.

       -duration milliseconds
	       This option specifies the duration of each  tone	 in  millisec‐
	       onds.  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 found on a key‐
	       pad 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 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)

COPYRIGHT
       Copyright 1993, 1994 Network Computing Devices, Inc.

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

				     1.9.4			     AUDIAL(1)

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