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Editing audioAdvanced audio processing ► Removing DC offset

1.
Select the audio data and choose Process > Apply Effect > Remove DC Offset. This launches the Remove DC Offset dialog box.
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DC Offset Threshold (dB). You can set a minimum dB threshold. If the analyzed DC offset is below this value, no removal takes place.
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Analyze Left Channel (dB) and Right Channel (dB). This field displays the DC offset separately for the left and right channels. Press the Audition button to update the display.
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Compute DC Offset from first 5 seconds only. To speed processing, select the Compute DC offset from first 5 seconds only check box. Only the first five seconds of a sound file will be analyzed when measuring the DC offset. The only time that five seconds is not sufficient is if a long fade-in or mute has been applied at the beginning of the file.
1.
Go to Process > Apply Effect > Remove DC Offset to open the Remove DC Offset dialog box.
2.
In the DC Offset Threshold (dB) field, set a minimum dB threshold, and click OK to close the dialog box. If the analyzed DC offset is below this value, no removal takes place.
3.
Go to Edit > Preferences > Audio - Playback and Recording, select the Remove DC Offset During Recording check box, and click OK.
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