How audio works in animated scenes
When you animate a scene using a model that includes audio, your video can have two sources of sound:
Narration (voiceover)
→ Generated from your scriptBackground audio (from the animation model)
→ This may include ambient sound, music, or even spoken dialogue
Not all animation models include audio
Some animation models generate background audio, while others generate visuals only.
Models with audio can include ambient sound, music, or dialogue
Models without audio will rely entirely on your narration
If you’re hearing overlapping audio, you’re likely using a model that includes background audio.
Why you might hear double or overlapping audio
If both are active at the same time, you may notice:
The same words spoken twice
Dialogue layered on top of narration
Audio that feels cluttered or unusable
This happens because your script narration and the model’s background audio are both playing simultaneously.
How to fix it
You can control audio per scene using the … (more actions) menu in the timeline.
Option 1: Mute narration
Select Mute scene
This removes the voiceover for that scene
Keeps the animation’s background audio (including dialogue)
Best when you want the animation to drive the audio
Option 2: Mute background audio
Select Mute background audio
Keeps your script narration
Removes audio generated by the animation model
Best when you want clean, controlled voiceover
Using animation audio for dialogue
Some animation models can generate spoken dialogue as part of the background audio.
If you want to use this:
Make sure each scene contains a complete line of dialogue
Avoid splitting one sentence across multiple scenes
This helps the model generate more natural, complete speech. If dialogue is split across scenes, the generated audio may feel:
choppy
cut off
or unnatural
Keeping each scene as a full thought leads to better results.
Works with both animation and Full Motion
This behavior applies to:
scene-level animation (image → video)
Full Motion videos
In both cases, audio can come from:
your script (narration)
the model (background audio)
Summary
Animated scenes can include two audio sources
Some models include background audio, others don’t
Overlapping audio happens when both are active
Use Mute scene or Mute background audio to control it
For best results, keep dialogue contained within each scene