How to use vocode?

I'm curious about how to use vocode, can you provide me with a step-by-step guide? Is it a tool for music production or does it have other applications? What are the prerequisites for using vocode and what kind of software or hardware do I need to get started? Also, are there any tutorials or resources that can help me learn more about its capabilities and features? I'm eager to learn more and see if it can enhance my creative workflow.