For example that has the ability to recognise anger / happy / questioning to relative accuracy?
But seriously, I've seen emotion recognition, and speech recognition, but haven't come across anything that provides both in one package.
Perhaps, could use wrapper library to combine functionality. It's a very interesting area.
https://www.informatik.uni-augsburg.de/lehrstuehle/hcm/proje...
For example that has the ability to recognise anger / happy / questioning to relative accuracy?