Zonos TTS: A Text-to-Speech Alternative to ElevenLabs

What is Zonos TTS?

Zonos TTS is a cutting-edge open-source text-to-speech tool for voice cloning and synthesizing. It excels at producing natural-sounding audio with emotional expressiveness. Users can generate new speech with the model or provide a 10-30 second audio clip to clone existing audio. This tool is great for many applications, such as creating viral video content or making your web page more accessible. Zonos TTS offers customizable audio output, allowing you to enhance your speech with expressive emotional tones. The model produces high-quality audio output at 44kHz and supports multiple languages, including English, Chinese, Japanese, Spanish, and German.

In this article, we will break down Zonos TTS and give you a quick tutorial on using it with Beam.

How Zonos TTS Works

Zonos TTS performs text normalization and phonemization via eSpeak, then DAC token prediction using a hybrid model that combines a transformer and other architectures for optimal performance. The model is trained on around 200,000 hours of multilingual speech data, encompassing neutral-toned and highly expressive speech to produce high-quality, customizable audio. The model can accurately clone speech patterns from brief reference clips, offering fine-grained control of the resulting speech-like pace, pitch, and emotional expression.

Comparison to Other TTS Solutions

What makes Zonos TTS unique and unlike other industry leaders is the quality of audio and emotional expressiveness. Unlike many TTS tools, Zonos offers high-fidelity voice cloning capabilities and uses advanced techniques like speaker embedding and audio prefixes to make the audio sound more natural. ElevenLabs is a text-to-speech tool similar to Zonos; however, it is primarily meant for creative and entertainment purposes, like audiobooks, podcasts, and content creation. ElevenLabs model generates emotional and realistic speech, while Zonos has more comprehensive multilingual support, customizable emotion control, and real-time synthesis. Zonos is especially well-suited for applications like e-learning and virtual assistants. Its open-source nature and fine-tuned controls give developers more flexibility than ElevenLabs. While both tools are highly advanced and can provide realistic-sounding audio, you should consider your project’s goals when choosing which tool is best suited for you.

Getting Started with Zonos TTS

Let’s take a look at how to use Zonos with Beam.

1. Create your remote environment in app.py:

2. Specify the model and its dependencies in Image:

3. Define the function to run the model:

4. Deploy your endpoint to Beam:

Now, you will be able to send a curl request to the endpoint and hear your audio output:

5. Send your request:

For more information, check out the documentation on the beam documentation page.

Conclusion

Zonos TTS is a powerful new model that allows you to produce high-quality audio and clone existing audio, unlike any other open-source tools on the market. The realistic and engaging speech the model produces sets Zonos TTs apart from similar tools. Whether you are creating an ad and need audio to accompany your visuals or want to make your website more accessible for users, you can use Zonos TTS to easily and quickly convert your text to speech.