How is a voice engine created?

Question

speech synthesis

Hello. Very often I asked myself: How is a voice engine created? For example the same "IVONA". I've been scouring the internet and haven't found much. Is it possible to create a simple voice engine? How long will it take? Perhaps stupid questions. But still, it's interesting :)

Answer 1

tl;dr: a simple one tailored to specific phrases - pretty easy. A cool person who understands live speech - even giants like Google or Amazon have not yet achieved full success.
lmgtfy: https://ru.wikipedia.org/wiki/%D0%A1%D0%B8%D0%BD%D...
(more details in English)
Code examples: https://www.google.com/ search?q=open+source+text+t...

Answer 2

First, decide on a speech synthesis method.
Namely
And get acquainted with how it happens "in hardware", without engines and libraries, including on an analog base)
www.modularsynth.ru/2013/12/05/speech_synthesis
But it's not just ignorant to read this
https:/ /habrahabr.ru/company/yandex/blog/243813/