What is your ? (e.g., e-learning, app development, accessibility) What languages or specific accents do you require?
The Acapela Text to Speech demo offers a powerful, free, and user-friendly gateway into the world of professional-grade text-to-speech. Whether you are a developer evaluating TTS integration, an educator seeking age-appropriate voices, a business looking to enhance customer interactions, or an individual wishing to preserve your voice, the demo provides the insights you need to make informed decisions.
curl -X POST "https://api.acapela-group.com/v1/synthesize" \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d ' "text": "Hello, this is a demo of Acapela's neural voice.", "voice": "en_us_ryan", "format": "mp3", "speed": 1.0, "pitch": 0 ' \ --output demo.mp3
Type or paste your text into the provided text box. For optimal results, use correct punctuation to guide natural pauses. acapela text to speech demo
| Metric | Method | Typical Result (Neural Voice) | |--------|--------|------------------------------| | | Subjective listening test (5‑point scale) | 4.4 | | Word Error Rate (WER) | Automatic speech recognition on generated audio | 2.1 % | | Latency | End‑to‑end request → audio (100 ms avg) | 120 ms | | CPU/GPU Usage | Cloud inference on V100 | 0.8 kWh per 1 M characters |
Acapela offers over 130 voices across more than 30 languages and accents. The demo allows you to switch between global languages like English, Spanish, French, Arabic, and Mandarin, as well as regional accents (such as UK, US, Australian, or Indian English). 2. Diverse Voice Personalities
The Acapela Text to Speech (TTS) demo is an interactive showcase for one of the industry's most versatile voice synthesis engines. It allows users to test over across 30+ languages . Known for its high-quality Deep Neural Network (DNN) technology, the demo highlights expressive capabilities like "vocal smileys" and specialized children's voices. Core Demo Features What is your
Acapela voices create an engaging, comfortable environment where children are better able to learn. Talking apps assist children and adults with learning difficulties by providing immediate audio feedback that improves word recognition and memory. The unique children's voices portfolio gives pupils the opportunity to hear their work read back to them in a friendly, age-appropriate voice.
: A robust, cloud-based API that lets you generate audio on demand. It is ideal for web apps, dynamic content feeds, and real-time responses.
Speech Synthesis Markup Language (SSML) is the code that controls pronunciation. The Acapela demo allows you to toggle "SSML mode." You can paste code like: <speak>I want a <break time="2s"/> banana.</speak> Hit "Generate," and you will hear the two-second pause. This is crucial for interactive voice response (IVR) systems. Whether you are a developer evaluating TTS integration,
Testing your script in the online demo takes less than a minute. Follow these steps:
A REST API that lets developers add real-time voice synthesis directly into websites and cloud applications.
: Type or paste your script into the text box (usually capped at a specific character limit for the free trial).