> For the complete documentation index, see [llms.txt](https://docs.acestudio.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.acestudio.ai/ai-tools/sound-generator.md).

# Sound Generator

Generate sound effects, ambiences and textures from a text prompt and reference audio in ACE Studio.

## What Is Sound Generator

Sound Generator creates sound effects, ambiences, and textures from a text description. Choose between two models, add reference audio to steer the result, and the generated sound is placed on the Canvas as an audio clip.

{% hint style="info" %}
Sound Generator replaces the Sound Effects tool of earlier versions.
{% endhint %}

## How to Use Sound Generator

<figure><img src="https://3596338706-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fsn71WYzecYYQw3KkF40b%2Fuploads%2Fgit-blob-915fe6a462b54bb9cd05279953eb456a2ef9c951%2Fsound-generator.png?alt=media" alt="The Sound Generator panel."><figcaption></figcaption></figure>

Sound Generator works on a time selection. The selection defines where the sound is inserted and how long it is.

1. Click and drag on the Canvas to create a time selection.
2. Click the <i class="fa-burst">:burst:</i> **Sound Generator** icon in the main toolbar. If nothing is selected, ACE Studio asks you to select where you want to generate first.
3. Choose a model.
4. Describe the sound you want, or click an example to start from it.
5. Add reference audio if you like (SeedAudio 1.0 only).
6. Click <kbd>Generate</kbd>. The new audio clip is inserted at the start of the selection.

### Choose a Model

Pick a model from the menu next to <kbd>Generate</kbd>.

<table><thead><tr><th width="200"></th><th>SeedAudio 1.0</th><th>ElevenLabs</th></tr></thead><tbody><tr><td>Selection length</td><td>1 – 120 seconds</td><td>0.5 – 30 seconds</td></tr><tr><td>Reference audio</td><td>Up to 3</td><td>–</td></tr><tr><td>Settings</td><td>Pitch, Loudness</td><td>Loop, Prompt Influence</td></tr></tbody></table>

### Write a Prompt

Describe the sound in the text box, for example "Heavy rain falling on a cobblestone street".

While the prompt is empty, example prompts are shown below the text box. Click one to fill it in, or click the shuffle button for new examples.

### Reference Audio

With SeedAudio 1.0, you can add up to three reference audio files to steer the timbre and texture of the result. Click the **Audio** card and choose:

* **Select from canvas** – the panel hides and you drag out a selection of up to 30 seconds on the Canvas. Click <kbd>Confirm</kbd>, and ACE Studio renders that range as the reference. Press <kbd>Esc</kbd> to cancel.
* **Upload file** – pick an audio file of up to 30 seconds and 10 MB.

References are named **Audio 1**, **Audio 2**, and **Audio 3**. Click the play button on a card to preview it.

Type `@` in the prompt to mention a reference, for example "Use @Audio 1 as the texture of the sound".

To remove a reference, hover over its card and click the delete button. Its mentions in the prompt become plain text, and the remaining references are renumbered.

{% hint style="info" %}
With reference audio, the length of the generated sound may differ slightly from the selection. The panel marks the duration as an estimate.
{% endhint %}

### Settings

Open the settings menu at the bottom left of the panel. Double-click a slider to reset it to its default.

**SeedAudio 1.0**

* **Pitch** – shift the pitch of the result by up to ±12 semitones.
* **Loudness** – scale the loudness from x0.5 to x2.

**ElevenLabs**

* **Loop** – create a seamless loop whose ending blends into its beginning.
* **Prompt Influence** – how closely the result should follow the prompt.

### Generate

Click <kbd>Generate</kbd>. The result is inserted at the start of the time selection as a regular audio clip, which you can edit like any other.


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