PikaSoundtrackNode - ComfyUI Built-in Node Documentation - ComfyUI

This node generates a synchronized soundtrack for a video with Pika. The picture and the length are kept; only the audio is replaced. Describe the sound you want, or leave the instruction empty to derive it from the picture.

Inputs

Parameter	Description	Data Type	Required	Range
`video`	The clip to write a soundtrack for. Up to 10 minutes.	VIDEO	Yes	-
`instruction`	What the audio should be: sound effects, ambience, music or style. Leave empty to derive it from the picture. Default: "" (empty string).	STRING	Yes	0 to 10000 characters
`seed`	Seed for sampling. Default: 42.	INT	Yes	0 to 2147483647

Constraints:

The input video must be 10 minutes or shorter.

Outputs

Output Name	Description	Data Type
`VIDEO`	The input clip with the generated soundtrack in place of the original audio.	VIDEO

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