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# Guida rapida a Voice Design

Questa guida mostra come progettare una voce tramite un prompt usando l'API Voice Design.

## Uso dell'API Voice Design

> **Note**
>
> Questa guida presuppone che tu abbia [configurato la chiave API e l'SDK](/docs/it/eleven-api/quickstart). Completa
> prima la guida rapida, se non l'hai già fatto. Per riprodurre l'audio dagli altoparlanti, potresti anche aver bisogno di
> [MPV](https://mpv.io/) e/o [ffmpeg](https://ffmpeg.org/).

#### Effettua la richiesta API

Progettare una voce tramite un prompt richiede due passaggi:

1. Genera anteprime in base a un prompt.
2. Seleziona l'anteprima migliore e usala per creare una nuova voce.

Inizieremo generando anteprime in base a un prompt.

Crea un nuovo file denominato `example.py` o `example.mts`, a seconda del linguaggio che preferisci, e aggiungi il codice seguente:

```python maxLines=0
# example.py
from dotenv import load_dotenv
from elevenlabs.client import ElevenLabs
from elevenlabs.play import play
import base64

load_dotenv()

elevenlabs = ElevenLabs(
  api_key=os.getenv("ELEVENLABS_API_KEY"),
)

voices = elevenlabs.text_to_voice.design(
    model_id="eleven_multilingual_ttv_v2",
    voice_description="A massive evil ogre speaking at a quick pace. He has a silly and resonant tone.",
    text="Your weapons are but toothpicks to me. Surrender now and I may grant you a swift end. I've toppled kingdoms and devoured armies. What hope do you have against me?",
)

for preview in voices.previews:
    # Convert base64 to audio buffer
    audio_buffer = base64.b64decode(preview.audio_base_64)

    print(f"Playing preview: {preview.generated_voice_id}")

    play(audio_buffer)
```

```typescript maxLines=0
// example.ts
import { ElevenLabsClient, play } from "@elevenlabs/elevenlabs-js";
import "dotenv/config";
import { Readable } from 'node:stream';
import { Buffer } from 'node:buffer';

const elevenlabs = new ElevenLabsClient();

const { previews } = await elevenlabs.textToVoice.design({
    modelId: "eleven_multilingual_ttv_v2",
    voiceDescription: "A massive evil ogre speaking at a quick pace. He has a silly and resonant tone.",
    text: "Your weapons are but toothpicks to me. Surrender now and I may grant you a swift end. I've toppled kingdoms and devoured armies. What hope do you have against me?",
});

for (const preview of previews) {
    // Convert base64 to buffer and create a Readable stream
    const audioStream = Readable.from(Buffer.from(preview.audioBase64, 'base64'));

    console.log(`Playing preview: ${preview.generatedVoiceId}`);

    // Play the audio using the stream
    await play(audioStream);
}
```

#### Esegui il codice

```python
python example.py
```

```typescript
npx tsx example.mts
```

Dovresti sentire le anteprime delle voci generate riprodotte dagli altoparlanti, una alla volta.

#### Aggiungi la voce generata alla libreria

Dopo aver generato le anteprime e scelto la tua preferita, puoi aggiungerla alla libreria vocale tramite l'ID della voce generata, così potrai usarla con altre API.

```python
voice = elevenlabs.text_to_voice.create(
    voice_name="Jolly giant",
    voice_description="A huge giant, at least as tall as a building. A deep booming voice, loud and jolly.",
    # The generated voice ID of the preview you want to use,
    # using the first in the list for this example
    generated_voice_id=voices.previews[0].generated_voice_id
)

print(voice.voice_id)
```

```typescript
const voice = await elevenlabs.textToVoice.create({
    voiceName: "Jolly giant",
    voiceDescription: "A huge giant, at least as tall as a building. A deep booming voice, loud and jolly.",
    // The generated voice ID of the preview you want to use,
    // using the first in the list for this example
    generatedVoiceId: previews[0].generatedVoiceId
});

// The ID of the newly created voice, use this to reference the voice in other APIs
console.log(voice.voiceId);
```

## Passaggi successivi

#### [Clonazione vocale istantanea](/docs/it/eleven-api/guides/how-to/voices/instant-voice-cloning)

Clona una voce da un audio esistente invece di generarne una da una descrizione.

#### [Riferimento API](/docs/it/api-reference/text-to-voice/design)

Riferimento completo dell'API Voice Design e relativi parametri.