EmptyAceStep1.5LatentAudio - ComfyUI Built-in Node Documentation - ComfyUI

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	Description	Data Type	Required	Range
`seconds`	The duration of the audio to generate, 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
`LATENT`	An empty latent tensor representing silent audio, with a type identifier of “audio”. The output also includes a `downscale_ratio_temporal` value of 1764, which is used for temporal downscaling in audio processing.	LATENT

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