Speaker is a WordPress Plugin designed to converts website page content into human-like speech. The plugin uses the latest technology of machine learning and artificial intelligence to play a high-quality human voice and add an audio player with content to the page. The basis of the Speaker plugin is the Google Cloud Platform, which ensures the reliability and speed of the plugin anywhere in the world.
Demo: https://codecanyon.net/item/speaker-page-to-speech-plugin-for-wordpress/24336046
source http://www.codelist.cc/plugins/243363-speaker-v322-page-to-speech-plugin-for-wordpress.html