In the toolbar, select the Time Selection
tool 
.
.
Last updated on
Dec 16, 2021
- Audition User Guide
- Introduction
- Workspace and setup
- Digital audio fundamentals
- Importing, recording, and playing
- Multichannel audio workflow
- Create, open, or import files in Adobe Audition
- Importing with the Files panel
- Extracting audio from CDs
- Supported import formats
- Navigate time and playing audio in Adobe Audition
- Recording audio
- Monitoring recording and playback levels
- Remove silences from your audio recordings
- Editing audio files
- Edit, repair, and improve audio using Essential Sound panel
- Session Markers and Clip Marker for Multitrack
- Generating text-to-speech
- Matching loudness across multiple audio files
- Displaying audio in the Waveform Editor
- Selecting audio
- How to copy, cut, paste, and delete audio in Audition
- Visually fading and changing amplitude
- Working with markers
- Inverting, reversing, and silencing audio
- How to automate common tasks in Audition
- Analyze phase, frequency, and amplitude with Audition
- Frequency Band Splitter
- Undo, redo, and history
- Converting sample types
- Creating podcasts using Audition
- Applying effects
- Enabling CEP extensions
- Effects controls
- Applying effects in the Waveform Editor
- Applying effects in the Multitrack Editor
- Adding third party plugins
- Notch Filter effect
- Fade and Gain Envelope effects (Waveform Editor only)
- Manual Pitch Correction effect (Waveform Editor only)
- Graphic Phase Shifter effect
- Doppler Shifter effect (Waveform Editor only)
- Effects reference
- Apply amplitude and compression effects to audio
- Delay and echo effects
- Diagnostics effects (Waveform Editor only) for Audition
- Filter and equalizer effects
- Modulation effects
- Reduce noise and restore audio
- Reverb effects
- How to use special effects with Audition
- Stereo imagery effects
- Time and pitch manipulation effects
- Generate tones and noise
- Mixing multitrack sessions
- Video and surround sound
- Keyboard shortcuts
- Saving and exporting
Select time ranges
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Do any of the following:
To select a range, drag in the Editor panel.
Dragging to select time ranges
Dragging to select time ranges To extend or shorten a selection, drag the selection edges. (Shift‑click beyond the edges to quickly extend a selection to a specific location.)
note: If you prefer, you can right‑click to extend or shorten a selection. To enable this feature, select Extend Selection in the General section of the Preferences dialog box.
Select spectral ranges
When working in a spectral display, you can use the Marquee, Lasso, or Paintbrush Selection tool to select audio data within specific spectral ranges. The Marquee Selection tool lets you select a rectangular area. The Lasso Selection and Paintbrush Selection tools let you make free‑form selections. All three tools allow for detailed editing and processing, including incredible flexibility in audio restoration work. For example, if you find audio artifacts, you can select and edit just the affected frequencies, producing superior results with faster processing.
The Paintbrush Selection tool creates unique selections that determine the intensity of applied effects. To adjust intensity, either layer brush strokes or change the Opacity setting in the toolbar. The more opaque the white, selected area is, the more intense applied effects will be.
A. Marquee B. Lasso C. Paintbrush
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In the toolbar, select the Marquee
, Lasso 
, or
Paintbrush Selection 
.
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In the Editor panel, drag in the spectral display to select the desired audio data.Note:
When you make a selection in a stereo waveform, the selection is applied to all channels by default. To select audio data in specific channels, choose them from the Edit > Enable Channels menu.
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To adjust the selection, do any of the following:
To move the selection, position the pointer in the selection, and drag it to the desired location.
To resize the selection, position the pointer on the corner or edge of the selection, and drag it to the desired size. (For paintbrush selections, you can also adjust the brush Size setting in the toolbar.)
To add to a lasso or paintbrush selection, Shift-drag. To subtract from the selection, Alt-drag.
To determine the intensity of effects applied to paintbrush selections, adjust the Opacity setting in the toolbar.
Note:
By default, Adobe Audition plays only
audio the spectral selection. To hear all audio in the same time
range, right-click the Play button 
, and
deselect Play Spectral Selection Only.
Select artifacts and repair them automatically
For the quickest repair of small, individual audio artifacts like isolated clicks or pops, use the Spot Healing Brush. When you select audio with this tool, it automatically applies the Favorites > Auto Heal command.
Note:
Auto-healing is optimized for small audio artifacts and thus limited to selections of four seconds or less.
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In the toolbar, select the Spot Healing Brush
.
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To change the pixel diameter, adjust the Size setting. Or press the square bracket keys.
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In the Editor panel, either click and hold or drag across an audio artifact in the spectral display.Note:
If you click without holding down the mouse button, Audition moves the current-time indicator so you can preview audio, but doesn’t repair it. To repair audio by clicking, select Create A Circular Selection On Mouse Down in the General preferences.
A. Before B. After
Select all of a waveform
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Do either of the following:
To select the visible range of a waveform, double‑click in the Editor panel.
To select all of a waveform, triple‑click in the Editor panel.
Specify which channels you want to edit
By default, Adobe Audition applies selections and edits to all channels of a stereo or surround waveform. However, you can easily select and edit specific channels.
- At the right of the Editor panel, click
channel buttons in the amplitude ruler. For a stereo file, for example,
click the left channel
or
right channel 
button.Tip: To select one stereo channel simply by dragging across the very top or bottom of the Editor panel, select Allow Context-Sensitive Channel Editing in the General section of the Preferences dialog box.
Adjust a selection to zero‑crossing points
For many editing tasks such as deleting or inserting audio, zero‑crossings (points where amplitude is zero) are the best places to make selections. Selections that begin and end at zero‑crossings reduce the chance that edits will create audible pops or clicks.
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To adjust a selection to the closest zero‑crossing points, choose Edit > Zero Crossings. Then select an option such as Adjust Selection Inward (which moves both edges inward to the next zero crossing).
Note:
To further reduce the chance of pops or clicks, all edits are crossfaded. You can change crossfade durations in the Data section of the Preferences dialog box.
Snap to markers, rulers, frames, and zero crossings
Snapping causes selection boundaries, as well as the current‑time indicator, to move to items such as markers, ruler ticks, zero‑crossing points, and frames. Enabling snapping helps you make accurate selections; however, if you prefer, you can disable snapping for specific items.
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To enable snapping for selected items, click the Toggle Snapping icon
at the
top of the Editor panel.
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To specify items to snap to, choose Edit > Snapping, and select any of the following:
Snap To Markers
Snaps to a marker point. For information on defining markers, see Working with markers.
Snap To Ruler (Coarse)
Snaps only to the major numeric divisions (such as minutes and seconds) in the timeline.
note: You can enable only one Snap To Ruler command at a time.
Snap To Ruler (Fine)
Snaps to subdivisions (such as milliseconds) in the timeline. Zoom in (right‑click and drag across the timeline) to display more accurate subdivisions and place the cursor more precisely.
Snap To Zero Crossings
Snaps to the nearest place where audio crosses the center line (the zero amplitude point).
Snap To Frames
Snaps to a frame boundary if the time format is measured in frames (such as Compact Disc and SMPTE).
Note:You can access snapping commands by right‑clicking the timeline.
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