WanSoundImageToVideoExtend - ComfyUI Built-in Node Documentation

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

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The WanSoundImageToVideoExtend node extends image-to-video generation by incorporating audio conditioning and reference images. It takes positive and negative conditioning along with video latent data and optional audio embeddings to generate extended video sequences. The node processes these inputs to create coherent video outputs that can be synchronized with audio cues.

Inputs

Parameter	Data Type	Required	Range	Description
positive	CONDITIONING	Yes	-	Positive conditioning prompts that guide what the video should include
negative	CONDITIONING	Yes	-	Negative conditioning prompts that specify what the video should avoid
vae	VAE	Yes	-	Variational Autoencoder used for encoding and decoding video frames
length	INT	Yes	1 to MAX_RESOLUTION	Number of frames to generate for the video sequence (default: 77, step: 4)
video_latent	LATENT	Yes	-	Initial video latent representation that serves as the starting point for extension
audio_encoder_output	AUDIOENCODEROUTPUT	No	-	Optional audio embeddings that can influence video generation based on sound characteristics
ref_image	IMAGE	No	-	Optional reference image that provides visual guidance for the video generation
control_video	IMAGE	No	-	Optional control video that can guide the motion and style of the generated video

Outputs

Output Name	Data Type	Description
positive	CONDITIONING	Processed positive conditioning with video context applied
negative	CONDITIONING	Processed negative conditioning with video context applied
latent	LATENT	Generated video latent representation containing the extended video sequence