Cloud Polly allows you to turn any text into lifelike speech, allowing you to create various media content such as audio books, podcasts, voice contents and also applications that talk, and build entirely new categories of speech-enabled products. Cloud Polly’s Text-to-Speech (TTS) service uses advanced deep learning technologies of leading cloud service providers such as Amazon Web Services, Microsoft Azure, Google Cloud Platform and IBM Cloud to synthesize natural sounding human speech. With over 630 different lifelike voices across more than 70 languages, you can build speech-enabled applications that work in many different countries.

Demo: https://codecanyon.net/item/cloud-polly-ultimate-text-to-speech-as-saas/33267697