eSpeak NG Text-to-Speech 2.6.4

eSpeak NG Text-to-Speech is an open-source software speech synthesizer that offers support for a wide array of languages. Utilizing the "formant synthesis" technique, this tool provides an extensive language library in a concise package, ensuring clear speech output even at high playback speeds.

Introduced as a transposition of eSpeak NG to the Android platform from version 4.0 (Ice Cream Sandwich) onwards, this rendition encompasses the full spectrum of 107 languages and accents featured in the eSpeak NG text-to-speech Engine. Notably, this Android iteration of eSpeak NG is a continuation of the eyes-free version, addressing various identified issues such as compatibility problems on Android 4.3 and later iterations. Moreover, it presents users with enhanced customization features akin to the eSpeak desktop application, while rectifying memory leaks and crashes.

The eSpeak TTS source code is distributed under the GPLv3+ by Jonathan Duddington, with the Android adaptation being derived from Google's eyes-free version licensed under Apache 2.0. Additionally, RedZoc Solutions Pvt. Ltd has made supplemental modifications under the Apache 2.0 license.

Overall, eSpeak NG Text-to-Speech stands as a product of RedZoc Solutions Private Limited, offering a comprehensive solution for text-to-speech needs across diverse languages on the Android platform.