Fast streaming synthesis
The homepage and docs show a fast streaming path for text-to-speech output, with audio available in about 300ms for the `/stream` endpoint.
Unreal Speech
Freemium
API di sintesi vocale con generazione rapida, timestamp e voci Kokoro TTS
Cos'è Unreal Speech?
Unreal Speech is a text-to-speech API built for developers who need to convert written text into spoken audio with low latency and flexible output options. The site positions it as a production-ready service with streaming synthesis, timestamp support, and a browser-based demo for quick testing.
The product site shows several ways to use the platform: a fast /stream endpoint, a /speech endpoint that can return MP3 and timestamp URLs, an asynchronous /synthesisTasks flow for longer text, and a WebSocket endpoint for streaming audio together with word-level timestamps. The studio page adds a free online demo built on Kokoro TTS, with 48 voices across 8 languages for browser-based generation and download.
Cosa può fare Unreal Speech?
Multiple API workflows
The API supports multiple output patterns: synchronous, asynchronous, and WebSocket-based streaming, so teams can choose the workflow that fits text length and latency needs.
Timestamp generation
The site documents word- or sentence-level timestamps, including a `/streamWithTimestamps` WebSocket flow for real-time timing data.
Voice and language selection
The studio demo presents 48 voices across 8 languages, giving users a broad set of voice and language options to test.
Long-form and scaled usage
The pricing page says the service can generate up to 10-hour audio and offers plans that scale by character volume, including a free tier and higher-volume paid plans.
Live browser demo
The browser studio lets visitors type text, generate speech, and download recordings directly in the browser for quick evaluation.
Casi d'uso
“Fast interactive playback”
Use the low-latency `/stream` endpoint when you want spoken output to start quickly, such as interactive app responses or realtime narration previews.
“Batch audio generation”
Use `/speech` or `/synthesisTasks` when you need generated audio files for shorter clips or longer passages, including longer-form content that exceeds the synchronous path.
“Timed text highlighting”
Use word- or sentence-level timestamps when your app needs highlighting, caption sync, or narration playback that stays aligned with text.
“Voice evaluation and prototyping”
Use the studio demo to test voices in the browser, compare language options, and download sample recordings before integrating the API.
“Scaling usage over time”
Use the pricing tiers to match character volume to usage patterns, starting with the free tier and moving to higher-volume plans as demand grows.
Domande frequenti
Does Unreal Speech offer a free way to try the product?
Yes. The pricing page lists a free tier and paid plans, and the site also offers a live studio demo for testing text-to-speech generation in the browser.
What API workflows does it support?
The docs shown on the homepage include `/stream`, `/speech`, `/synthesisTasks`, and `/streamWithTimestamps`. The site says `/stream` is synchronous and fast, `/speech` returns MP3 plus timestamp URLs, `/synthesisTasks` is asynchronous for longer text, and `/streamWithTimestamps` streams audio with word-level timing.
Can it generate timestamps with the audio?
The site says timestamps can be requested with `TimestampType` set to `word` or `sentence`, and it also mentions a WebSocket flow for streaming both audio and timestamps.
How many voices and languages are available?
The studio page says Kokoro TTS Studio supports 48 voices across 8 languages, including American and British English, French, Hindi, Spanish, Japanese, Chinese, Italian, and Portuguese.
Is the browser demo the same as the API product?
The site positions Unreal Speech for commercial use through its API documentation, while the studio page describes the browser demo as a free online text-to-speech experience for trying the model and downloading audio.
Informazioni rapide
- Category
- Text-to-speech API
- Source domain
- unrealspeech.com
- Primary users
- Developers
- Demo
- Browser-based studio for Kokoro TTS
- Voices and languages
- 48 voices across 8 languages
- Pricing
- Free tier plus paid plans
Analisi del traffico di Unreal Speech
I dati sul traffico sono solo a scopo di riferimento.
- Domain Rating
- 32
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