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AUEDIT(1)		    General Commands Manual		     AUEDIT(1)

NAME
       auedit -	graphically record and edit audio files

SYNOPSIS
       auedit [-audio servername] [-toolkitoption ...] [filename]

DESCRIPTION
       auedit  provides	an X-based window-oriented interface allowing the user
       to record and edit audio	files.	The  editing  features	available  in-
       clude:

       o   Cutting,  copying,  pasting,	 and mixing within a single auedit in-
	   stance or between multiple auedit instances.

       o   Changing the	amplitude of an	interval.

       o   Reversing an	interval.

       o   Fading in or	out an interval.

AUEDIT AND THE ATHENA WIDGET SET
       auedit uses the X Toolkit Intrinsics and	the Athena  Widget  Set.   For
       more information, see the Athena	Widget Set documentation.

SCREEN LAYOUT
       auedit starts out with a	single window divided into several areas:

       o   A collection	of drop-down menus and command buttons.

       o   A volume indicator and control slider.

       o   The	audio file represented as a wave form.	If the audio data con-
	   tains multiple tracks, the tracks will be  displayed	 in  ascending
	   order.   For	 stereo	data, the convention is	left track, then right
	   track.

       o   A set of indicators displaying the interval	start,	duration,  and
	   end	and  the  current  position.  These indicators are in units of
	   minutes, seconds, and hundredths of seconds.

       o   Buttons to play, stop, and pause the	audio.

       o   Two menus indicating	the current file and data formats.

       o   Two editable	fields containing the current frequency	and the	 audio
	   file	comment.

INTERVALS
       Many functions in auedit	operate	on a range of audio data called	an in-
       terval.	The initial interval encompasses all of	the audio  data.   The
       interval	 is  indicated	within	the  wave  form	by two solid, vertical
       lines.  The left	marker indicates the start of the interval.  The right
       marker indicates	the end	of the interval.  To select an interval	of au-
       dio data, use the mouse to move the interval markers in the wave	 form.
       Pressing	a mouse	button in the wave form	will select the	marker closest
       to the mouse position.  That marker may then be dragged to the  desired
       location	 in  the  wave form.  Note that	the markers may	not cross over
       each other.

PLAYING	AN INTERVAL
       To play an interval, click on the Play button (the one with the	trian-
       gle  on its side).  The audio data delimited by the start and end mark-
       ers will	be played.  A dashed vertical line will	indicate the  approxi-
       mate  position  of  the	data currently being played.  To stop playing,
       click on	the Stop button	(the one containing a solid square).  Clicking
       on  Pause  (the	button	containing  two	vertical, parallel lines) will
       pause the playing.  To resume, click on Pause again.  The volume	slider
       controls	 the  play  volume.   The  interval is played at the frequency
       specified by the	Frequency  field.   Note  that	while  data  is	 being
       played, most other functions are	disabled.

THE FILE MENU
       New...		   Initializes auedit with an empty file.  You will be
			   prompted for	the number of tracks for the new file.

       Load...		   Loads a file.  You will be prompted	for  the  file
			   name.

       Save		   Saves the current file.  A backup file will be cre-
			   ated	by appending a tilde (~) to the	 current  file
			   name.   The file format, data format, frequency and
			   comment are used when saving	the file.

       Save as...	   Saves the current file under	a new name.  You  will
			   be  prompted	 for  the file name.  The file format,
			   data	format,	frequency and comment  are  used  when
			   saving the file.

       Save interval...	   Saves the interval to a file.  You will be prompted
			   for a file name.  The  file	format,	 data  format,
			   frequency  and  comment  are	 used  when saving the
			   file.

       Revert		   Discards all	changes	made since the last  save  and
			   restores  the  data to its state following the last
			   save.

       Exit		   Exits auedit.  If there have	been changes  made  to
			   the current file that have not been saved, you will
			   be asked if you wish	to save	them.

THE EDIT MENU
       The cut,	copy, and paste	commands in the	edit menu transfer data	to and
       from  a	selection buffer.  This	buffer is shared between all instances
       of auedit.  This	means that you can cut or copy data from one  instance
       of  auedit and paste it into another instance.  The only	restriction is
       that the	audio data in both instances must  have	 the  same  number  of
       tracks.	When transferring data between instances of differing frequen-
       cies, the data will be converted	to the frequency of  the  destination.
       This  can  be  used to change the frequency of the data in a single in-
       stance of auedit.  First, cut the data  whose  frequency	 you  wish  to
       change.	Then change the	Frequency field	to the desired frequency.  Fi-
       nally, paste the	data back in.  The frequency of	the data will be  con-
       verted to the frequency specified in the	Frequency field.

       Cut		   Moves the interval to the selection buffer.

       Copy		   Copies the interval to the selection	buffer.

       Paste insert	   Inserts the selection buffer	at the point marked by
			   the start marker.

       Paste replace	   Replaces the	data at	the point marked by the	 start
			   marker with the data	from the selection buffer.

       Paste mix	   Mixes  the  data  at	 the point marked by the start
			   marker with the data	 from  the  selection  buffer.
			   The mixing function is an average.

       Undo		   Undoes  the	last operation that modified the audio
			   data.  This includes	effects	operations in addition
			   to  editing	operations.  If	the last operation was
			   an Undo then	the undo is undone, restoring the data
			   to the state	prior to the first undo.

THE ZOOM MENU
       In		   Zoom	in by a	factor of two.

       Out		   Zoom	out by a factor	of two.

       Markers		   Zoom	 in to the interval delimited by the start and
			   end markers.

       Full		   Zoom	out to display all of the audio	data.

THE EFFECTS MENU
       All operations under the	effects	menu apply to the current interval.

       Amplitude...	   Scale the amplitude.	 You will be prompted for  the
			   scale.  The scale may be non-integral.

       Max Amplitude	   Scales  the interval	to its maximum amplitude with-
			   out clipping.

       Reverse		   Reverses the	order of the data within the interval.

       Fade In		   Linearly scales the interval	using a	scale  ranging
			   from	0.0 to 1.0.

       Fade Out		   Linearly  scales the	interval using a scale ranging
			   from	1.0 to 0.0.

THE RECORD COMMAND
       Clicking	on the Record button brings up the  record  dialog  box.   The
       record dialog box consists of:

       o   A duration field.  This is the maximum duration of the recording in
	   seconds.

       o   A frequency field.  This is	the  frequency	of  the	 recording  in
	   hertz.

       o   An  input mode toggle button.  Clicking this	button toggles between
	   line	mode and microphone mode.

       o   A gain slider.  This	controls the input gain	level.

       o   A record toggle button.  Clicking this button starts	and stops  the
	   recording.

       o   A  monitor  toggle button.  Clicking	this button toggles the	record
	   monitoring feature that lets	you hear what you're recording.

       o   A dismiss command button.  Clicking this button stops  any  current
	   recording and dismisses the record dialog box.

OPTIONS
       The following options may be used with auedit:

       -audio servername
	       This  option specifies the Network Audio	System server to which
	       auedit should connect.

SEE ALSO
       nas(1), auconvert(1), X(1)

BUGS
       There is	no way to manipulate individual	tracks.

COPYRIGHT
       Copyright 1993, 1994 Network Computing Devices, Inc.

AUTHOR
       Greg Renda, Network Computing Devices, Inc.

				     1.9.4			     AUEDIT(1)

NAME | SYNOPSIS | DESCRIPTION | AUEDIT AND THE ATHENA WIDGET SET | SCREEN LAYOUT | INTERVALS | PLAYING AN INTERVAL | THE FILE MENU | THE EDIT MENU | THE ZOOM MENU | THE EFFECTS MENU | THE RECORD COMMAND | OPTIONS | SEE ALSO | BUGS | COPYRIGHT | AUTHOR

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