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Latest ModelSeedance 2.5 Video Extension for a Transformation
Learn seedance 2.5 video extension for a transformation with a source-grounded Seedance 2.5 workflow.
seedance 2.5 video extension for a transformation starts with a continuation that reveals the final state after the opening change. Start with a short base video and a continuation description, then give the sequence a visible order that a viewer can follow. A base video within 30 seconds can receive an added segment from 4 to 30 seconds, with a stated maximum result of 60 seconds in the longest case.
Project focus
Treat a continuation that reveals the final state after the opening change as the decision that shapes this piece. Establish the main subject and setting before the first change, then describe the next visible action in plain language. Place camera direction beside the action it supports, so a close detail, wider reveal, or change of viewpoint arrives when the story needs it.
An animation team can hold on the finished costume after the change. A vehicle concept can continue into the completed form. A prop scene can reveal the final material treatment after a motion beat.
A useful creation path
- Choose a base video that ends before the next action begins.
- Describe only the added action or scene movement for the new segment.
- Check the combined story from the original ending through the continuation.
Review the finished sequence
Read the project from the first image through the closing beat. The viewer should be able to identify the subject, setting, and purpose of every action. Keep the details that make a continuation that reveals the final state after the opening change useful, and let later shots develop from the decisions set in the opening section.
Frequently asked questions
Which base clips fit extension?
The guide describes original videos within 30 seconds as eligible base footage.
How long can one added segment be?
A single extension can add from 4 to 30 seconds.
What should the continuation description cover?
Focus on the action, scene development, or transition that begins after the original clip ends.
Open the Seedance 2.5 experience on ArtArch and start the project with your selected visual direction.
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