Quick start

Track editor: workspace and basic controls

Get familiar with the editing screen: where to preview your video, arrange clips and change settings.

4 sectionsActual product screenshotsBased on the November 2026 interface

BEFORE YOU START

Before you start

Open the project you want to work on. If you are new, start with the first-video guide before exploring these controls.

Screenshots show actual sample projects. Your interface may vary with your plan and updates. Instructions describe desktop browser operation; this guide can also be read on a phone.

PART01

Recognize the four working areas

Separate appearance from timing. Use the preview for position and size, the timeline for start and duration, and the right panel for details of the selection.

  1. Check Review placement in the preview.
  2. Check Toolbar for adding, generating and exporting.
  3. Check Adjust start times and duration in the timeline.
  4. Check Properties for the selection appear on the right.
Track editor with preview, timeline, dialogue input and properties. The product screenshot is in Japanese; the instructions explain the controls.
Preview
Shows the picture at the playhead. Select a presenter or media object to adjust placement and size.
Timeline: tracks and clips
Time runs horizontally; each row is a track. A clip shows when an element is used. Avatar clips hold presenter video; speech clips hold spoken audio.
Properties
Changes with the selected clip. Select something first to see its dialogue, timing or placement fields.
Dialogue input at the bottom
Choose the presenter’s speech track and voice before adding a line.
PART02

Playback, preview speed and volume

Use the lower-left preview controls to play and stop. Move the playhead to inspect a different moment.

  1. Action Play and Stop controls.
  2. Action Preview playback speed.
  3. Action Preview volume.
Timeline and input bar with separate avatar and speech tracks. The product screenshot is in Japanese; the instructions explain the controls.
Play / Stop
Review generated video and audio. Generate any pending sections first.
1× preview speed
Opens playback-speed choices for review. This is separate from changing synthesized speech speed.
Preview volume
Changes listening volume in the preview; exported-video volume is unchanged.
Open in external window
Opens a separate preview window. Check browser popup handling if it does not appear.
PART03

Add elements with the toolbar

Use the appropriate button for presenters, media and text. On a narrow workspace, some tools may move into the overflow menu.

  1. Action Add avatar.
  2. Action Add media.
  3. Action Add text.
Timeline and input bar with separate avatar and speech tracks. The product screenshot is in Japanese; the instructions explain the controls.
Add avatar
Opens presenter selection, followed by available body views and voice choices.
Add media
Opens the picker for preset media, your own assets and shapes.
Text / Captions
Text adds headings; Captions creates text that follows speech.
Head motion / Base expression / Emote
Check the intended presenter before opening movement or expression settings.
PART04

Check saving and display language

Display language determines which version you review, generate and export. Check the saved state before leaving.

  1. Check Check project name and saved status; check the language at the top of the editor.
Project name and saved status in the lower-right corner of the editor. The product screenshot is in Japanese; the instructions explain the controls.
File → Languages
Opens translation languages, speaker voices, screen text and glossary/context settings.
Project name at the bottom
Opens project editing. Clear project names help prevent editing the wrong version.
Saved (autosave) / Ctrl+S
Check autosave status. Use Ctrl+S or File → Save project for an explicit save.

BEFORE YOU FINISH

One final check.

After editing, check the intended presenter, clip and display language. Generate and play changes that require rendering, then check the saved status.

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