Fish Speech Introduction

Fish Speech is an open-source, multilingual text-to-speech model capable of generating high-quality, natural-sounding speech in Chinese, Japanese, and English with customizable voices and emotions.
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What is Fish Speech

Fish Speech is a powerful open-source text-to-speech (TTS) solution developed by Fish Audio. Trained on over 150,000 hours of audio data across Chinese, Japanese, and English, it offers near human-level language processing and a wide range of expressive capabilities. Fish Speech aims to democratize high-quality TTS technology by providing a customizable model that can be easily run and fine-tuned on personal devices, making it accessible to developers, researchers, and enthusiasts alike.

How does Fish Speech work?

Fish Speech utilizes advanced deep learning techniques, including a large language model architecture and a VITS decoder, to convert text into natural-sounding speech. It employs a dual autoregressive decoding strategy for stable, high-quality audio generation. The system can clone voices with just a 10-second audio prompt and offers emotional synthesis capabilities. Fish Speech processes text input by analyzing linguistic features, predicting corresponding sounds and prosodic elements like pitch and intonation, then generating audio output that closely mimics natural speech patterns. The model operates at approximately 20 tokens per second, allowing for rapid content generation.

Benefits of Fish Speech

Fish Speech offers several key benefits to users. Its open-source nature allows for customization and experimentation, enabling developers to adapt the model for specific use cases. The high-quality multilingual output rivals commercial solutions, making it suitable for a wide range of applications. The model's ability to run on personal devices with relatively low computational requirements democratizes access to advanced TTS technology. Additionally, features like voice cloning and emotional synthesis provide versatility for creative projects, content creation, and accessibility applications. The fast inference speed also makes it practical for real-time use cases.

Fish Speech Monthly Traffic Trends

Fish Speech experienced a 11.6% increase in visits, reaching 391,972 visits. The Fish Speech 1.4 launch in September, which introduced expanded training data, multilingual support, and instant voice cloning, likely contributed to this growth.

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