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# NormalizeVideoLatentStart - ComfyUI Built-in Node Documentation

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

This node adjusts the first few frames of a video latent to make them look more like the frames that come after. It calculates the average and variation from a set of reference frames later in the video and applies those same characteristics to the starting frames. This helps create a smoother and more consistent visual transition at the beginning of a video.

## Inputs

| Parameter               | Description                                                                      | Data Type | Required | Range                       |
| ----------------------- | -------------------------------------------------------------------------------- | --------- | -------- | --------------------------- |
| `latent`                | The video latent representation to process.                                      | LATENT    | Yes      | -                           |
| `start_frame_count`     | Number of latent frames to normalize, counted from the start (default: 4).       | INT       | Yes      | 1 to 16384 (max resolution) |
| `reference_frame_count` | Number of latent frames after the start frames to use as reference (default: 5). | INT       | Yes      | 1 to 16384 (max resolution) |

**Note:** The `reference_frame_count` is automatically limited to the number of frames available after the starting frames. If the video latent is only 1 frame long, no normalization is performed and the original latent is returned unchanged.

## Outputs

| Output Name | Description                                                     | Data Type |
| ----------- | --------------------------------------------------------------- | --------- |
| `latent`    | The processed video latent with the starting frames normalized. | LATENT    |

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/NormalizeVideoLatentStart/en.md)

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