USE-CASE GUIDE / Getting started

Troubleshooting picture, sound, captions and saving

Check the relevant settings when the picture does not move, sound is missing or edits do not appear.

7 stepsActual product screenshotsBased on the November 2026 interface

BEFORE YOU START

Before you start

Identify the scene and time where the issue occurs. Save a copy before trying substantial changes.

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.

STEP01

Speech plays, but the avatar stays still

A still avatar is expected before its talking video is generated. Speech audio and animated video are separate. Review the voice and dialogue, then use Generate this clip or Generate ungenerated clips. Check Generation jobs and ensure the avatar clip covers the entire speech.

  1. Action Click Generate ungenerated clips.
  2. Check After generation, the avatar clip will say Preview generated.
After adding speech, generate the video preview. The product screenshot is in Japanese; the instructions explain the controls.
STEP02

Audio is missing or the music is too loud

Check preview volume, browser/device muting and whether speech exists at the playhead. Then check track enabled state and speech/sound-clip levels. Lower the sound clip if music overwhelms speech. If a media video has altered speed, also check its audio at normal speed.

  1. Enter Music volume
Example sound settings: volume 20%, fade-in 1.5 seconds, fade-out 2 seconds and looping enabled. The product screenshot is in Japanese; the instructions explain the controls.
STEP03

Media is missing, cropped or cannot be selected

First check that the playhead lies within the clip’s interval. Then inspect enabled state, layering, opacity, position and cropping. Fill frame may crop edges. If selection alone is blocked, check locking; expand a collapsed group to reach its members.

  1. Action Collapse timeline rows
  2. Action Enabled affects output
  3. Action Lock prevents edits
Group information: collapse, enabled, lock, visual transforms and ungroup have different purposes. The product screenshot is in Japanese; the instructions explain the controls.
STEP04

The dialogue changed, but a caption did not

Select the caption and check Linked versus Fixed. Directly edited text is fixed and stops following speech changes. If it should follow the original again, check whether the manual wording must be kept before choosing Restore linking. Also check the displayed language at the top.

  1. Check Check Fixed or Linked
A directly edited caption is Fixed. Inspect its source speech, restore linking or apply its appearance to the same track. The product screenshot is in Japanese; the instructions explain the controls.
STEP05

The video has an unwanted long or black ending

Inspect the timeline ending for music, transparent text, backgrounds or added still frames extending beyond the intended finish. Adjust clip endings to retain only what is needed. Check that a long whole-video fade does not remove essential pictures or final words.

  1. Enter Whole-video and audio fades
Whole-video fades affect audio too. Resolution and format are information fields in this dialog. The product screenshot is in Japanese; the instructions explain the controls.
STEP06

The project is saved, but there is no finished video

Saving stores the editable project. Export an MP4 separately for distribution. Open Output → Exported videos, select a completed result, play it and download it. After changing dialogue or layout, review a new export rather than the previous MP4.

  1. Check Play and review the video and audio.
  2. Action Click Download.
Exported videos in the Output menu, with playback and download controls. The product screenshot is in Japanese; the instructions explain the controls.
STEP07

If unresolved, collect details rather than submitting repeatedly

Check progress and errors in Generation jobs. For support, collect the project name, affected time, steps taken, visible error and expected result. Check screenshots for confidential documents or personal information before sharing them.

  1. Action Open Generation jobs
Generation jobs at the lower left of the editor: open it to check rendering progress. The product screenshot is in Japanese; the instructions explain the controls.

BEFORE YOU FINISH

One final check.

After a change, play the affected scene and its transitions, check saving, and verify a fresh MP4 for export issues.

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