eSpeak NG text-to-speech is a compact open source software speech synthesizer that supports a large number of languages. eSpeak NG text-to-speech uses a "formant synthesis" method. This allows many languages to be provided in a small size. The speech is clear and can be used at high speeds.

This is a port of eSpeak NG to Android for 4.0 (Ice Cream Sandwich) and later (including Android 13), supporting all 107 languages and accents of eSpeak NG text-to-speech Engine.

This port of eSpeak NG is built on the eyes-free version. It fixes multiple issues found in the eyes-free version: Fixes crashes on Android 4.3 and later versions, Lot of customization options implemented like eSpeak desktop application, and Various memory leaks and crashes are fixed.

The eSpeak TTS source code is licensed under GPLv3+ by Jonathan Duddington.

The Android port is derived from the eyes-free port by Google under the Apache 2.0 license. Additional modifications have been made by RedZoc Solutions Pvt. Ltd, also under the Apache 2.0 license.

eSpeak NG Text-to-Speech - Developed by
RedZoc Solutions Private Limited