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# Editing Stereo Tracks

Depending on how the stereo footage was filmed, you may need to edit the left or right eye image after you create a clip containing a stereo track. For example, you may need to flip one of the images or fix brightness or colour discrepancies between the left and right eye images. You can do this cleanup in a Record Area view. If you already brought your clip into BatchFX, you can edit the stereo track from the BatchFX timeline.

Note the following when editing a stereo track:

- You can edit the media of the individual left and right eye layers but not the metadata. For example, you can slip one layer or replace its media, but you cannot trim only one of the layers.
- Stereo sync is on by default. With stereo sync, changes applied to one layer of a stereo track are automatically applied to the other layer.
- If you are making changes that affect the media of a stereo track such as applying soft effects, you can remove the stereo sync from the layers and apply the changes to only one of the layers.
- If you applied the same soft effects to unsynced layers and the values on each layer are different, you can resynchronize the values so that they are the same on both layers.
- For information on what type of work you can do with stereo tracks and how stereo tracks are represented on the timeline, see Stereo Tracks.
- If you want to convert a video track into a stereo track, you can do so directly on the timeline as long as the video track contains two layers that share the same metadata.

  Do this, for example, with imported EDLs where the left and right eye images are multi-assembled on separate tracks.

  See Converting a Video Track to a Stereo Track.

- If you want to convert the layers of a stereo track into two mono video tracks, you can do so directly on the timeline.

  Do this, for example, if you need to change the metadata of one of the layers.

  See Converting a Stereo Track to Video Tracks.

- If you want to change the focus plane of a shot, you can adjust the convergence with an Axis soft effect.

  See Creating Axis Soft Effects .