OpenAudio S1 is the latest text-to-speech (TTS) model launched by Fish Audio. Trained on over 2 million hours of audio data, it aims to deliver a highly natural speech synthesis experience.
Key Features
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Natural and Fluent Speech: OpenAudio S1 generates speech that is nearly indistinguishable from human voiceovers, making it suitable for professional use cases such as video narration, podcasts, and game character voices, offering a highly natural audio experience.
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Rich Emotion and Tone Control: The model supports a wide range of emotional tags (e.g., angry, happy, sad) and tone modifiers (e.g., fast, whisper, shout). Users can control the emotion and tone of the speech using simple text commands, enabling more vivid and personalized dialogues.
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Multilingual Support: OpenAudio S1 supports up to 13 languages, including English, Chinese, Japanese, French, and German, showcasing strong multilingual capabilities and catering to a global user base.
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Efficient Voice Cloning: The model supports zero-shot and few-shot voice cloning. With just 10 to 30 seconds of audio samples, it can generate high-fidelity cloned voices, making it ideal for scenarios requiring rapid personalization.
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Flexible Deployment Options: OpenAudio S1 comes in two versions: the full S1 model (4 billion parameters) and a lightweight open-source S1-mini version (500 million parameters). The former is offered via cloud services for high-performance needs, while the latter is suited for research and educational purposes.
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Affordable Pricing: OpenAudio S1 is priced at $15 per million bytes (approximately $0.80/hour), making high-quality voice generation more accessible to developers, especially for high-volume or budget-sensitive projects.
Application Scenarios
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Content Creation: OpenAudio S1 can provide professional-grade voiceovers for videos, podcasts, and audiobooks, significantly improving production efficiency. This allows content creators to quickly generate high-quality audio to meet market demands.
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Virtual Assistants: The model can create personalized voice navigation or customer service systems with multilingual interaction, enhancing the user experience. Its natural speech enables virtual assistants to better understand and respond to user needs.
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Gaming and Entertainment: OpenAudio S1 can generate realistic dialogue and narration for game characters, enhancing player immersion. Its high-quality speech synthesis makes in-game characters more vivid and believable.
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Education and Training: In the education sector, OpenAudio S1 can be used to generate multilingual learning content, helping students better understand and learn pronunciation and intonation in different languages.
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Customer Service and Support: The model is suitable for customer service bots, providing quick and accurate spoken responses, thereby improving service efficiency and quality.
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Real-Time Applications: With ultra-low latency (under 100 milliseconds), OpenAudio S1 is also ideal for real-time applications such as online gaming and live content, ensuring immediate and smooth speech output.
