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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 include: o Cutting, copying, pasting, and mixing within a single auedit instance 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 contains 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 inter- val. 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 audio 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 triangle on its side). The audio data delimited by the start and end markers will be played. A dashed vertical line will indicate the approximate 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 con- taining two vertical, parallel lines) will pause the playing. To resume, click on Pause again. The volume slider controls the play volume. The in- terval 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 created 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 for- mat, 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 re- stores 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 frequencies, 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 instance of auedit. First, cut the data whose frequency you wish to change. Then change the Frequency field to the desired frequency. Finally, paste the data back in. The fre- quency of the data will be converted to the frequency specified in the Fre- quency 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 without 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 moni- toring 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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