Where can I get a better speaking voice than the one that comes with braina? I have chosen US female but it still sounds way artificial unless the pro version has a better one.
You can install any third party SAPI voice and it will work with Braina. Check: https://www.brainasoft.com/braina/community/index.php/board,7.0.html
We are also working to integrate naturally sounding voices but it may take few months.