LTXVEmptyLatentAudio - ComfyUI Built-in Node Documentation

# LTXV Empty Latent Audio

The LTXV Empty Latent Audio node creates a batch of empty (zero-filled) latent audio tensors. It uses the configuration from a provided Audio VAE model to determine the correct dimensions for the latent space, such as the number of channels and frequency bins, and computes the number of audio latents from the frame count and frame rate. This empty latent serves as a starting point for audio generation or manipulation workflows within ComfyUI.

## Inputs

| Parameter | Description | Data Type | Required | Range |
| --- | --- | --- | --- | --- |
| `frames_number` | Number of frames. The default value is 97. | INT | Yes | 1 to 1000 |
| `frame_rate` | Number of frames per second. The default value is 25.0. Accepts FLOAT or INT values. | FLOAT | Yes | 1.0 to 1000.0 |
| `batch_size` | The number of latent audio samples in the batch. The default value is 1. | INT | Yes | 1 to 4096 |
| `audio_vae` | The Audio VAE model to get configuration from. This parameter is required. | VAE | Yes | N/A |

**Note:** The `audio_vae` input is mandatory. The node will raise an error if it is not provided.

## Outputs

| Output Name | Description | Data Type |
| --- | --- | --- |
| `Latent` | An empty latent audio tensor with the structure (batch_size, z_channels, num_audio_latents, audio_freq) configured to match the input Audio VAE. The output also includes a `type` field set to "audio". | LATENT |