Mathematics Audiobooks for the Blind?

Are there any mathematics audiobooks, such as for those who are blind? How do they pronounce the equations?


You might find the answers to this post helpful, in terms of standards for speaking mathematics without relying on the receiver's vision.

The question asks for a definitive guide to spoken mathematics. You'll find many resources there, including the link to Handbook for Spoken Mathmatics.


Lectures on mathematics (e.g. MIT courses) can be considered as audio-books of mathematics.