audial - generate or recognize touch tones for North American
telephones
audial [-audio servername] [-volume 0-100]
[-spacing milliseconds] [-pause milliseconds] [-duration
milliseconds] dialstring
audial -recognize [-microphone] [-gain 0-100] [-time
seconds]
The audial program generates touch tones suitable for
dialing a North American telephone. audial can also recognize touch
tones and produce the corresponding string.
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.
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.
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 keypad
are generated.
- ,
- A blank tone whose length is specified by the -pause option is
generated.
Any other characters are ignored.
- -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.
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.
Copyright 1993, 1994 Network Computing Devices, Inc.
Greg Renda, Network Computing Devices, Inc.
Kevin Martin, Network Computing Devices, Inc.