Editing > Audio > Working with Audio in the Timeline > 
Muting Audio Tracks in the Timeline
 
 
 

You can mute one or more audio tracks in the timeline.

To mute audio tracks in the timeline:

  1. Hold Ctrl and click the track identifier for the audio track or tracks that you want to mute.

    The track identifier turns yellow.

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    (a) This track is muted  (b) Track Identifier