EmptyAceStep1.5LatentAudio - ComfyUI Built-in Node Documentation

Complete documentation for the EmptyAceStep1.5LatentAudio node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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The Empty Ace Step 1.5 Latent Audio node creates an empty latent tensor designed for audio processing. It generates a silent audio latent of a specified duration and batch size, which can be used as a starting point for audio generation workflows in ComfyUI. The node calculates the latent length based on the input seconds and a fixed sample rate.

Inputs

Parameter	Data Type	Required	Range	Description
seconds	FLOAT	No	1.0 - 1000.0	The duration of the audio to generate, in seconds (default: 120.0).
batch_size	INT	No	1 - 4096	The number of latent images in the batch (default: 1).

Outputs

Output Name	Data Type	Description
LATENT	LATENT	An empty latent tensor representing silent audio, with a type identifier of “audio”.