ianmage/text-to-speech-ue4

Text-to-speech UE4 plugin for Windows (SAPI). Tested on UE 4.21

C++

TextToSpeech UE4 plugin

Text-to-speech synthesis for Unreal Engine 4 via Windows SAPI.

How to use it

Checkout the code into your project's "Plugins" directory. It may be necessary to create it under the project root.
Check the plugin is active in Unreal Engine 4 editor.
The plugin exposes a new Blueprint node, "TextToWave", which output SoundWave. Just use some kind of standard "Play Sound" node to play it.

TextToWave parameters:

VoiceRequiredAttributes / String - required voice attributes - used to search most relevant voice (see https://stackoverflow.com/questions/21220156/how-to-set-voice-sapi5);
VoiceOptionalAttributes / String - optional voice attributes;
Rate / Int - speech speed (-10...10);
Text / String - text to render into wave.