KlingLipSyncTextToVideoNode - ComfyUI Built-in Node Documentation

Complete documentation for the KlingLipSyncTextToVideoNode node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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Kling Lip Sync Text to Video Node synchronizes mouth movements in a video file to match a text prompt. It takes an input video and generates a new video where the character’s lip movements are aligned with the provided text. The node uses voice synthesis to create natural-looking speech synchronization.

Inputs

Parameter	Data Type	Required	Range	Description
video	VIDEO	Yes	-	Input video file for lip synchronization
text	STRING	Yes	-	Text Content for Lip-Sync Video Generation. Required when mode is text2video. Maximum length is 120 characters.
voice	COMBO	No	”Melody" "Bella" "Aria" "Ethan" "Ryan" "Dorothy" "Nathan" "Lily" "Aaron" "Emma" "Grace" "Henry" "Isabella" "James" "Katherine" "Liam" "Mia" "Noah" "Olivia" "Sophia”	Voice selection for the lip-sync audio (default: “Melody”)
voice_speed	FLOAT	No	0.8-2.0	Speech Rate. Valid range: 0.8~2.0, accurate to one decimal place. (default: 1)

Video Requirements:

• Video file should not be larger than 100MB
• Height/width should be between 720px and 1920px
• Duration should be between 2s and 10s

Outputs

Output Name	Data Type	Description
output	VIDEO	Generated video with lip-synchronized audio
video_id	STRING	Unique identifier for the generated video
duration	STRING	Duration information for the generated video