EmptyAceStepLatentAudio - ComfyUI Built-in Node Documentation

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

The EmptyAceStepLatentAudio node creates empty latent audio samples of a specified duration. It generates a batch of silent audio latents filled with zeros, where the length is calculated based on the input seconds and audio processing parameters. This node is useful for initializing audio processing workflows that require latent representations.

Inputs

Parameter	Description	Data Type	Required	Range
seconds	The duration of the audio in seconds (default: 120.0)	FLOAT	Yes	1.0 - 1000.0
batch_size	The number of latent images in the batch (default: 1)	INT	Yes	1 - 4096

Outputs

Output Name	Description	Data Type
output	Returns empty latent audio samples with zeros. The output contains a samples tensor and a type field set to “audio”.	LATENT

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