eSpeak NG

Open source speech synthesizer.

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Overview

eSpeak NG (Next Generation) is an open-source speech synthesizer that supports a large number of languages. It is known for its compact size and robotic but clear voice, which is suitable for high-speed reading. eSpeak NG is used in various open-source projects, including screen readers, and is available for Linux, Windows, and other operating systems.

✨ Key Features

  • Supports over 100 languages and accents
  • Compact size
  • Formant synthesis method
  • Can produce speech output as a WAV file
  • SSML (Speech Synthesis Markup Language) support
  • Can be used as a command-line tool or a shared library

🎯 Key Differentiators

  • Wide language support in a compact package
  • Open-source and highly portable

Unique Value: Provides a free, open-source, and highly portable text-to-speech solution with extensive language support.

🎯 Use Cases (3)

Screen reading for visually impaired users Language learning and pronunciation practice Integration into other software projects that require text-to-speech

✅ Best For

  • Used as the default speech synthesizer in the NVDA screen reader.

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Users who require highly natural-sounding, human-like voices.

🏆 Alternatives

Festival Speech Synthesis System

Offers a more compact and resource-efficient solution compared to larger, more natural-sounding speech synthesizers.

💻 Platforms

Desktop (Linux, Windows, macOS) Android

✅ Offline Mode Available

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: The software is open source and free to use.

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