Best Practices For Lip Sync

This article aims to provide tips to ensure that characters lip-sync correctly to voice-overs in the video. To learn how to attach a voice-over to a character, check this article.

1) Check the character's facial expression.

Make sure that the character's facial expression is NOT "Talk no lip-sync" (or "Default" when the assigned action is "Talk"). The "Talk no lip-sync" facial expression was designed to represent conversations in the background but, when applied, the character will not lip-sync to the attached voice-over.

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2) Build your scenes in sequence.

Create character sequences using the option Continue Scene. Building a sequence through this option will ensure that your character lip-syncs correctly in all scenes in the sequence.

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3) Split your voice-overs.

If there are two or more scene sequences, you will notice that the character will only lip-sync in the first sequence of scenes. This is because the character in the second sequence will have a different Character ID.

Similarly, if the character is added from the library, this character will have a new Character ID. In appearance, it will look like it's the same, but the system will see it as a different character.

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To correct this, first split the audio clip before the next sequence of scenes (the first scene where the character stops lip-syncing).

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Then click on the scene where the clip is, right-click on the audio track in the timeline and go to Settings.

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Finally, assign the clip to the desired character.

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4) Amplify audio clips.

If you notice that your character's mouth is not opening as widely, it is likely that the audio clip was recorded at a low mic volume. Check this article for steps to correct this.

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Other tips and considerations

  • Avoid overlapping clips. When audio clips are overlapped, even if slightly, it's possible that the character might be lip-syncing to the tail of the clip in the previous scene and fails to lip-sync in the current scene.Screen_Shot_2020-06-16_at_11.55.09_AM.png

  • Trim the silent parts of audio clips. Doing this will prevent a "muttering" effect at the end of audio clips. Learn more here.
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  • Multiple characters can lip-sync to the same voice-over. To learn how to make two or more characters lip-sync to the same audio clip, take a look at this article.Copy_of_Mic_volume_comparison-360p-735bef24-c7ba-4351-be90-8f3f8997d9fd__1_.gif
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