How Does Your Technology Work?

The technology itself is a very compact, accurate and unrobust same recognition system. They essentially map a range of sounds on to single label. So we've got something like 30 million dings of a thousand sound classes,. A carhorn would be one sound classad 400 million pieces of meta data e associated with that. And so how does your tech, how does it happen? How does it listen for these sounds? What does it listening for? How did you, how did you train the tec?