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NAME
sdtaudio - Audio player for CDE
SYNOPSIS
sdtaudio [ -d ] [ -p ] [ -r ] [ -w ] [ -h ] [ -h or -? ] [
audiofile ]
DESCRIPTION
Sdtaudio is an interactive audio player that can be used to
play audio files, as well as record audio samples. The tool
supports playback and recording of Sun audio (AU), PC audio
(WAV), and Macintosh audio (AIFF) files, and allows one to
convert from one audio format to another.
OPTIONS
-d Use the specified audio device.
-p Plays the specified audio file on startup.
-r Starts recording audio on startup.
-w Starts automatically in wave view.
-h or ? Prints out valid command line options.
USAGE
The three menu buttons across the top of the main window are
described below:
File The File menu contains the following items.
New Resets the tool to its initial state,
closing any open audio file, so that one
can initiate a new recording. If a
recorded sample has not been saved, one
will be prompted whether to save or dis-
card the audio file before proceeding
with the reset.
Open... Brings up a dialog which allows one to
select a file that is to be opened for
playback. Any open audio file is closed
prior to loading a new file. If a
recorded sample has not been saved, one
will be prompted to save or discard the
audio file before opening the new file.
Save As...
Brings up a dialog which allows one to
specify the file name and the audio file
type of the file that is to be saved.
Get Info...
Brings up a dialog that displays infor-
mation about the current audio file,
such as audio length (in seconds) and
sampling rate (in kHz).
Exit Terminates the application.
Options The Options menu contains the following items.
Startup...
Brings up the audio options dialog and
displays the Startup pane, which allows
one to specify the preferred view on
startup.
Play... Brings up the audio options dialog and
displays the Play pane, which allows one
to specify play options (such as volume)
when playing an audio file.
Record... Brings up the audio options dialog and
displays the Record pane, which allows
one to specify record options (such as
volume) when recording an audio sample.
Devices...
Brings up the audio options dialog and
displays the Devices pane, which allows
one to specify audio input and output
devices. Support of various input and
output devices such as microphones,
speakers, and headphones are dependent
on one's hardware configuration.
Help Standard help menu.
The main window consists of various controls that allow one
to manipulate audio files, the user interface, and the audio
devices.
The first set of buttons allows one to play an audio file,
rewind to the beginning of an audio file, advance to the end
of an audio file, and start recording an audio sample. A
recording indicator light beside the record button flashes
during recording.
Below the main buttons is a slider that allows one to set
the play point where audio will start playback. During
playback, this slider dyanmically moves to give the user
location information as the file is played.
The mute button beside the recording indicator light tem-
porarily toggles the audio output device so that no sound
emanates from the output device. Beside the mute button are
a volume indicator and a set of buttons that allow one to
increase or decrease the volume of the audio output device.
The wave button below the mute button toggles the tool's
interface from standard view to wave view. In wave view,
the audio file is represented as a wave form. While in wave
view, one can set the play point by clicking on a particular
location in the wave form. The play point cursor is set to
the specified location, and, like its slider counter part in
the standard view, dynamically moves to give the user loca-
tion information as the file is played.
If tooltip display is enabled then tooltip labels are asso-
ciated with the afore mentioned buttons. A tooltip label
describes the functionality of a button in a few words. If
tooltip display is disabled then the associated information
that would have been displayed via a tooltip label is
displayed using the status bar.
The user may drag a file from another application such as
dtfile(1) and drop it into the audio window (standard or
wave view). This causes the file to be loaded into sdtau-
dio.
By default sdtaudio opens the audio device and audio control
device specified in audio(7I). The -d option is used to
specify an alternate audio device. If the -d option is not
used and the AUDIODEV environment variable has been defined,
the audio device will be set to the value of AUDIODEV. If
either -d or AUDIODEV is used to specify an alternate audio
device, the name of the audio control device will be deter-
mined by appending a suffix onto the audio device name
according to the convention adopted in audio(7I).
RESOURCES
On startup, sdtaudio will use the following X resources
which are stored in $HOME/.dt/sessions/Sdtaudio. Note these
resource names will be prepended with sdtaudio.
Resource: defaultRecordVolume
Values: 0 through 100
Description: Sets the recording volume of the audio input
device.
Resource: defaultPlayVolume
Values: 0 through 100
Description: Sets the playback volume of the audio output
device.
Resource: autoPlayOnOpen
Values: True, False
Description: Automatically plays the audio file when
opened.
Resource: showWave
Values: False, True
Description: Automatically starts in wave view.
SEE ALSO
tooltips(3) audio(7I)
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