Vertical red lines in the recording

Learn about causes and fixes for this problem.

Causes

This is a visual indication that your recording has clipping. See Crackles, pops and distortion in the recording for more information.

Fixes

The vertical red lines show where the clipping has occurred; these clipping indicators can be turned on and off (Audacity default setting is "off") by selecting View -> Show Clipping in Waveform.

A waveform with clipping

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