NAME¶
audial - generate or recognize touch tones for North American telephones
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
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
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 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.
