EmptyLatentAudio - ComfyUI Built-in Node Documentation

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

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The EmptyLatentAudio node creates empty latent tensors for audio processing. It generates a blank audio latent representation with specified duration and batch size, which can be used as input for audio generation or processing workflows. The node calculates the appropriate latent dimensions based on the audio duration and sample rate.

Inputs

Parameter	Data Type	Required	Range	Description
seconds	FLOAT	Yes	1.0 - 1000.0	The duration of the audio in seconds (default: 47.6)
batch_size	INT	Yes	1 - 4096	The number of latent images in the batch (default: 1)

Outputs

Output Name	Data Type	Description
LATENT	LATENT	Returns an empty latent tensor for audio processing with specified duration and batch size