Editing Audacity/Basic Editing
There are several tools to edit a sound track and a sound sample in Audacity. A single track can have multiple loops or other samples on them in the line. Tracks can overlap one another and be played with different volumes and effects. Individual loops or samples can be split. Portions can be deleted, copied or moved.
Using the Main Controls
Using the Control Tools
Selection Tool: This is the main tool you use to select audio. Click in a track to position the cursor, or click and drag to select a range of audio. If you drag from one track to another, you can select multiple tracks. Extend a selection by shift-clicking a new point in the track. Playback will always begin at the position of the selection cursor. If a range of audio is selected, only the selected range will play.
Envelope Tool: The envelope tool gives you detailed control over how tracks fade in and out, right in the main track window. When the envelope tool is selected, the amplitude envelope of each track is highlighted in a green line, with control points at the beginning and end of each track. To change a control point, click it and drag it to a new position. To add a new point, click anywhere in the track where there is not already a control point. To remove a point, click on it and drag it outside of the track until it disappears, then release.
Time Shift Tool: This tool allows you to change the relative positioning of tracks relative to one another in time. To use this tool, simply click in a track and drag it to the left or right. To align two tracks together or reset their time shift back to zero, use the Align Tracks Together or Align with Zero commands.
Zoom Tool: This tool allows you to zoom in or out of a specific part of the audio. To zoom in, click anywhere in the audio. To zoom out, right-click or shift-click. If you have a middle button, you can middle-click to do the same thing as Zoom Normal. In addition, you can zoom into a region by clicking and dragging the mouse to highlight the region you want to see, then releasing the mouse button.
Draw Tool: Enables the user to draw in to the actual waveforms. This is especially useful to eliminate small pops and clicks from material. ALT + click smoothes a area of audio. CTRL + click & hold edits only one sample, no matter whether you move the mouse left or right.
Using Edit Tools
Select the sound or portion of sound using the menu or tools.
Undo: This will undo the last editing operation you performed to your project. Audacity currently supports full unlimited undo - meaning you can undo every editing operation back to the last time the document was closed and re-opened.
Redo: This will redo any editing operations that were just undone. After you perform a new editing operation, including simply resizing a track, you can no longer redo the operations that were undone.
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