in general, any paid software has its own terms of service which gives you the license to use the software on your pc, but not modify it. when you buy a software, you buy the license to use it, but you don't own it and you are not allowed to modify the code and share it with others.
so yes, is not legal at all, and a company can win a lawsuit pretty easily.
it could be legal only if there was a permission from the company and the voice provider, otherwise..
just to give you an example of a small extract of Microsoft terms of service for Windows and its services:
so yes, is not legal at all, and a company can win a lawsuit pretty easily.
it could be legal only if there was a permission from the company and the voice provider, otherwise..
just to give you an example of a small extract of Microsoft terms of service for Windows and its services:
Vocaloid terms of service:
create them and not share it is so ilegal as use pocaloid