Although the library doesn’t provide this type of software, Natural Reader is a professional text to speech program that converts any written text into spoken words. Natural Reader Online is a web application and offers a free basic option with high quality premium and free voices among other features. Use any computer to convert any written text such as MS Word, PDF files (OCR only), non-DRM eBooks, and webpages into spoken natural sounding speech.
Register for a free account here: https://www.naturalreaders.com/online/index.html