Track editor: select, move, split and align

Presenter and speech tracks are separate. Click a clip’s body to show its properties. Clicking its presenter name may open replacement instead, so select an unoccupied part of the clip body.

↘Red arrows and white labels are guide annotations ＋ Enlarge with callouts

1. 1
   Action Avatar video clip.
2. 2
   Action Speech clip for the same presenter.

Clip body

Selects the editing target. Check its type and track in Properties.

Track eye icon

Disabling a track hides it in the preview and excludes it from export.

Track lock icon

Prevents selection/dragging in the preview; it does not delete the track.

Drag the middle of a clip to move it in time; drag its edge handles to adjust its range. Use Properties to review exact values.

↘Red arrows and white labels are guide annotations ＋ Enlarge with callouts

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   Action Drag the clip body to move it.
2. 2
   Action Drag the edge handle to adjust duration.

Left and right edges

Adjusts the clip range, subject to source-duration and speech-association constraints.

Snap

Snaps movement and resizing to other clip edges and the playhead. Holding Shift temporarily reverses the setting.

Leading / trailing silence

Adjusts the pauses surrounding speech, not the spoken words themselves.

For a visual cut, select the clip, place the playhead inside it and choose Split. Use Split into sentences to edit speech one sentence at a time.

↘Red arrows and white labels are guide annotations ＋ Enlarge with callouts

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   Action Select Split into sentences on the speech clip.

Split / Ctrl+K

Cuts supported avatar, media and text clips at the playhead. It is unavailable at the edge or for unsupported selections.

Split into sentences

Separates speech by sentence. Review the resulting audio, generation state and pauses.

Duplicate repeated content, and align timing and screen positions separately. Check the destination track and overlaps after pasting.

↘Red arrows and white labels are guide annotations ＋ Enlarge with callouts

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   Action Edit contains Selection, Add and Generate submenus.

Ctrl+C / X / V / D

Copy, cut, paste and duplicate. Select a clip first; in a text field these keys may operate on text.

Align starts

Uses timing actions to align start times.

Left / center / right; top / middle / bottom

Aligns objects in the picture, independently of their start times.

Use horizontal navigation for long projects and zoom for precise adjustments. Timeline zoom does not change video duration.

↘Red arrows and white labels are guide annotations ＋ Enlarge with callouts

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   Action Use zoom to change the timeline scale.

Horizontal navigation buttons

Moves the visible timeline range left or right by one or five seconds.

Minus / slider / plus

Zooms the timeline. Zoom in when short clip edges are hard to grab.

Ctrl+A / Ctrl+Shift+A

Distinguishes selection within the current track from all tracks. In an input field, the command may select text.

Arrow keys / Ctrl+arrows

Moves supported on-screen objects by 1 / 10 pixels. Close inputs or menus and select the object first.