Unreal Speech provides a fast text-to-speech API featuring low latency audio generation, per-word timestamps, and volume-based pricing tiers.
What it is
Unreal Speech is a text-to-speech API designed for high-volume audio generation. It converts written text into spoken audio quickly using various neural voice models, supporting multiple languages, bitrates, and audio formats.
Key features
- Generate audio with a latency of around 300ms using streaming endpoints.
- Receive per-word and sentence-level timestamps alongside audio output for synchronization.
- Support for synchronous and asynchronous task processing up to 500,000 characters.
- Code samples and SDKs available for Python, Node.js, and React Native.
- Multiple voice choices across several languages including US and UK English, Mandarin, and Spanish.
Who it's for
This API suits developers, publishers, and enterprises that need to generate thousands of hours of audio content programmatically, such as audiobook producers and news outlets.
Pricing
Plans start with a free tier of 250,000 characters. Paid monthly plans range from the Basic tier at $4.99 per month up to enterprise options costing $4,999 per month, with custom high-volume pricing available.
Use cases
- Convert blog posts into spoken audio files
- Generate synchronized word-level timestamps for text highlighting
- Process large batches of text asynchronously
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