How to | Make the Wolfram System Speak
Starting in Version 7, the Wolfram System includes expression-to-speech functionality. In principle, any Wolfram Language expression can be translated in this way.
Apply the function Speak to make the Wolfram System speak:
You can also make the Wolfram System speak by right-clicking a highlighted expression and choosing from the contextual menu.
If, instead, you would like to see a text version of the input, apply SpokenString:
Using SpokenString gives you the output:
Using HoldForm gives you the input:
This is also true for Speak:
SpokenString with HoldForm can be used on graphics as well:
Naturally, Speak still works in this case: