https://codecanyon.net/item/speaker-page-to-speech-plugin-for-wordpress/24336046

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 Speaker plugin basis is the Google Cloud Platform, which ensures the plugin’s reliability and speeds anywhere in the world.The Speaker WordPress Plugin converts text into human-like speech in more than 340 voices across 52+ languages and variants. It applies groundbreaking research in speech synthesis (WaveNet and Neural2) and Google’s robust neural networks to deliver high-fidelity audio.The Speaker is the only WordPress Plugin that supports the Speech Synthesis Markup Language(SSML) standard. SSML allows you to fine-tune speech for each article on your website. You can pause, intonate, read numbers, and telephones in the usual format for humans. Besides, the SSML in the Speaker allows using several voices and languages in a single article. For example, you can voice an article with an interview in several different voices or use this feature for online language courses.

Changelog

Fixed Custom Audio file metabox interface