Speak TTS is an app that uses an embedded text-to-speech engine that speech enables apps that make use of the android system voices on your device. The Speak TTS voices will sound more natural than the android system voices and are available in 10 languages: US English, British English, Australian English, Spanish, German, French, Dutch, Swedish, Italian and Norwegian. After installing Speak TTS you are able to test the different voices and their quality inside the app. More testing can be done on the website www.rspeak.com
Speak TTS voices enhances the user experience by enabling a more personalized interaction with apps such as e-books, assistive devices, translation software and more.
The Speak TTS app is installed as a system voice in Android. It can then be used by developers that create applications using Android system voices to speech enable their apps provided at least one voice app has been installed on the device.