Adobe 22011292 User Manual - Page 45

Select all of a waveform, Specify which channels you want to edit

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USING ADOBE AUDITION 41 Editing audio files Select all of a waveform ❖ 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. To select one stereo channel simply by dragging across the very top or bottom of the Editor panel, select Allow ContextSensitive Channel Editing in the General section of the Preferences dialog box. Selecting specific channels of a 5.1 surround file 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. ❖ 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). 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. Last updated 2/16/2012

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41
USING ADOBE AUDITION
Editing audio files
Last updated 2/16/2012
Select all of a waveform
❖
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.
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.
Selecting specific channels of a 5.1 surround file
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.
❖
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).
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.